{"title":"Sensors","description":"\u003cp\u003eOEM sensors for Carrier, Payne, Bryant, ICP-family, Goodman, Amana and Rheem equipment. Every part lists the exact models it fits — match your model number for guaranteed fitment.\u003c\/p\u003e","products":[{"product_id":"oem-lennox-research-products-5460-digital-humidity-sensor-y6476","title":"OEM Lennox Research Products 5460 Digital Humidity Sensor — Y6476","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y6476\u003c\/strong\u003e is a genuine OEM Research Products 5460 Digital Humidity Sensor used in compatible Lennox HVAC systems to accurately measure and report indoor relative humidity for precise comfort and air quality management. This sensor communicates real-time humidity data to the system control board, enabling proper humidifier or dehumidifier operation to maintain healthy indoor air quality. Symptoms of a failing humidity sensor include inaccurate humidity readings, a humidifier or dehumidifier that runs constantly or not at all, and comfort complaints related to air that feels excessively dry or damp despite correct system settings.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080926052723,"sku":"LNX-Y6476","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-low-pressure-sensor-suction-line-19y83","title":"OEM Lennox Low Pressure Sensor Suction Line — 19Y83","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 19Y83\u003c\/strong\u003e Low Pressure Sensor monitors suction line refrigerant pressure and transmits real-time data to the system controller, enabling your Lennox unit to maintain optimal performance and protect the compressor from low-pressure conditions. A failing suction line pressure sensor can cause inaccurate pressure readings, erroneous fault codes, compressor lockout, or inconsistent cooling and heating performance. This genuine OEM Lennox sensor guarantees accurate pressure sensing and seamless integration with compatible Lennox system controls.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080930673011,"sku":"LNX-19Y83","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-temperature-sensor-17g40","title":"OEM Lennox Temperature Sensor — 17G40","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 17G40\u003c\/strong\u003e is a genuine OEM temperature sensor designed to accurately monitor air or refrigerant temperatures within compatible Lennox HVAC systems, ensuring precise climate control and efficient operation. A failing temperature sensor may cause erratic thermostat behavior, incorrect temperature readings, short cycling, or complete system shutdowns. This direct OEM replacement restores your Lennox system to factory performance specifications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080930705779,"sku":"LNX-17G40","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-outlet-pipe-temperature-sensor-17b25","title":"OEM Lennox Outlet Pipe Temperature Sensor — 17B25","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 17B25\u003c\/strong\u003e is a genuine OEM outlet pipe temperature sensor that monitors refrigerant temperatures at the outlet pipe of compatible Lennox HVAC systems, helping to protect the unit from overheating and ensuring efficient refrigerant cycle management. Symptoms of a failing outlet pipe sensor can include improper cooling or heating output, system fault codes, short cycling, or compressor protection lockouts. Replace with this direct Lennox OEM part to restore accurate pipe temperature monitoring and reliable system performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080930738547,"sku":"LNX-17B25","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-tubing-copper-LNX-17B25.jpg?v=1783762867"},{"product_id":"oem-lennox-discharge-pressure-sensor-20f60","title":"OEM Lennox Discharge Pressure Sensor — 20F60","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 20F60\u003c\/strong\u003e is a genuine OEM discharge pressure sensor designed to monitor high-side refrigerant pressure in Lennox cooling systems, helping prevent compressor damage caused by abnormal pressure conditions. If this sensor fails, you may experience nuisance lockouts, error codes, or the system shutting down unexpectedly even when pressures are within normal range. This is a direct OEM replacement part engineered specifically for compatible Lennox air conditioners and heat pumps.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080931164531,"sku":"LNX-20F60","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-defrost-sensor-harness-10d08","title":"OEM Lennox Defrost Sensor Harness — 10D08","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 10D08\u003c\/strong\u003e is a genuine OEM defrost sensor harness that connects the defrost sensor to the control board, enabling accurate detection of ice buildup on the outdoor coil and triggering proper defrost cycles in compatible Lennox heat pump systems. Symptoms of a failed or damaged harness include the unit failing to defrost, excessive ice accumulation on the outdoor coil, or erratic defrost cycling that reduces system efficiency. Replacing this harness with the genuine Lennox part ensures reliable electrical continuity and proper system operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080939454835,"sku":"LNX-10D08","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-defrost-temperature-sensor-19v98","title":"OEM Lennox Defrost Temperature Sensor — 19V98","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 19V98\u003c\/strong\u003e is a genuine OEM defrost temperature sensor that monitors the temperature of the outdoor coil to trigger and terminate defrost cycles in your Lennox heat pump system. When this sensor fails, you may notice the unit running continuous defrost cycles, failing to defrost altogether, or losing heating efficiency due to excessive ice buildup on the outdoor coil. This is a direct OEM replacement engineered specifically for compatible Lennox heat pump models to restore accurate defrost operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080939913587,"sku":"LNX-19V98","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-aquaguard-water-sensor-drain-port-for-goliath-y6494","title":"OEM Lennox AquaGuard Water Sensor \u0026 Drain Port for Goliath — Y6494","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y6494\u003c\/strong\u003e AquaGuard Water Sensor and Drain Port is a genuine OEM sensor designed specifically for use with Lennox Goliath secondary drain pans, detecting the presence of standing water and signaling the system to shut down before water damage occurs. A faulty or missing water sensor can allow condensate overflow to go undetected, resulting in costly ceiling and structural damage in attic-installed HVAC applications. This OEM replacement component restores full overflow protection and integrates seamlessly with Lennox Goliath drain pan assemblies.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080940732787,"sku":"LNX-Y6494","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-drain-pan-metal-LNX-Y6494.jpg?v=1783759334"},{"product_id":"oem-lennox-outdoor-temperature-sensor-x4148","title":"OEM Lennox Outdoor Temperature Sensor — X4148","description":"\u003cp\u003eThe \u003cstrong\u003eLennox X4148\u003c\/strong\u003e is a genuine OEM outdoor temperature sensor designed to provide accurate ambient temperature readings to your Lennox HVAC system's control board, enabling precise demand-based heating and cooling operation. When this sensor fails, you may notice erratic system behavior, improper staging, failure to activate heating or cooling modes, or error codes displayed on your thermostat or control board. This factory-spec Lennox replacement sensor restores accurate outdoor temperature monitoring and is compatible with a range of Lennox systems that rely on outdoor conditions to optimize performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080943681907,"sku":"LNX-X4148","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-remote-outdoor-temperature-sensor-x4132","title":"OEM Lennox Remote Outdoor Temperature Sensor — X4132","description":"\u003cp\u003eThe \u003cstrong\u003eLennox X4132\u003c\/strong\u003e is a genuine OEM remote outdoor temperature sensor that provides accurate exterior temperature readings to your Lennox HVAC system, enabling precise climate control and energy-efficient operation. If this sensor fails, you may experience incorrect thermostat readings, system short-cycling, or loss of outdoor temperature display on compatible Lennox controls. This OEM replacement ensures a factory-accurate fit and reliable performance in all compatible Lennox systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080943714675,"sku":"LNX-X4132","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-remote-indoor-temperature-sensor-x4131","title":"OEM Lennox Remote Indoor Temperature Sensor — X4131","description":"\u003cp\u003eThe \u003cstrong\u003eLennox X4131\u003c\/strong\u003e is a genuine OEM remote indoor temperature sensor that monitors interior ambient temperatures and communicates accurate readings to your Lennox HVAC system for consistent, precise comfort control. A failing indoor sensor may cause erratic temperature swings, inaccurate thermostat readings, or improper heating and cooling cycles in compatible Lennox equipment. Replace it with this factory-spec OEM part for a guaranteed fit and restored system performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080943747443,"sku":"LNX-X4131","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-duct-air-temperature-sensor-91x15","title":"OEM Lennox Duct Air Temperature Sensor — 91X15","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 91X15\u003c\/strong\u003e is a genuine OEM duct air temperature sensor designed to monitor airflow temperatures within Lennox HVAC systems, ensuring precise climate control and system efficiency. If this sensor fails, you may experience erratic thermostat readings, improper heating or cooling cycles, or system shutdowns due to incorrect temperature data being relayed to the control board. This is a direct OEM replacement part built to Lennox specifications for a reliable, exact-fit installation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080946893171,"sku":"LNX-91X15","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-4-wire-photoelectric-sensor-component-68w52","title":"OEM Lennox 4-Wire Photoelectric Sensor Component — 68W52","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 68W52\u003c\/strong\u003e is a genuine OEM 4-Wire Photoelectric Sensor Component used in Lennox HVAC systems to detect particulates, smoke, or other air quality changes by measuring variations in light transmission. This sensor is critical for triggering appropriate system responses and maintaining safe, efficient HVAC operation. A failing 68W52 sensor may cause persistent fault codes, failure to detect air quality events, or erratic system behavior.\u003c\/p\u003e\u003cp\u003eThis authentic Lennox OEM replacement sensor ensures precise detection accuracy and a guaranteed fit for compatible Lennox models. Always confirm model compatibility before ordering to ensure a seamless installation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080976875891,"sku":"LNX-68W52","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-sensor-flue-wall-mount-condensing-gas-boiler-y5382","title":"OEM Lennox Sensor Flue Wall Mount Condensing Gas Boiler — Y5382","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y5382\u003c\/strong\u003e is a genuine OEM flue sensor engineered specifically for Lennox wall-mounted condensing gas boilers, where it continuously monitors flue gas temperatures to ensure safe and efficient system operation. A faulty flue sensor can cause nuisance lockouts, error codes, failure to ignite, or allow the system to operate unsafely outside of designed temperature thresholds. Replacing a failed sensor with this direct OEM part restores accurate flue monitoring and reliable boiler performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081015542131,"sku":"LNX-Y5382","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-flue-vent-chimney-transition-LNX-Y5382.jpg?v=1783763505"},{"product_id":"oem-lennox-sensor-clip-cast-iron-gas-boiler-y5412","title":"OEM Lennox Sensor Clip Cast Iron Gas Boiler — Y5412","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y5412\u003c\/strong\u003e is a genuine OEM sensor clip designed to securely fasten temperature sensors to cast iron gas boilers used in forced hot water heating systems. A damaged or missing sensor clip can cause the temperature sensor to shift or lose proper contact with the boiler surface, resulting in inaccurate temperature readings, erratic heating performance, or system faults. This direct-fit Lennox OEM replacement clip ensures the sensor maintains consistent, reliable contact for accurate boiler operation and control.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028485491,"sku":"LNX-Y5412","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-c0snzn03ae1-wall-temp-sensor-bc-59m04","title":"OEM Lennox C0SNZN03AE1 Wall Temp Sensor BC — 59M04","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 59M04\u003c\/strong\u003e is a genuine OEM wall temperature sensor (model reference C0SNZN03AE1) that monitors ambient wall or zone temperatures to provide accurate input data to Lennox HVAC control systems for precise climate management. When this sensor fails, symptoms may include incorrect temperature readings, inconsistent heating or cooling, unresponsive controls, or system error codes related to temperature sensing. This authentic Lennox OEM replacement sensor restores proper system communication and ensures accurate, efficient environmental control.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028518259,"sku":"LNX-59M04","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-zone-sensor-76m32","title":"OEM Lennox Zone Sensor — 76M32","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 76M32\u003c\/strong\u003e is a genuine OEM zone sensor that measures ambient room temperature and communicates data to your Lennox zoning control system, enabling accurate and efficient multi-zone climate management. If you are experiencing temperature inconsistencies between zones, unresponsive zone controls, or comfort complaints in specific areas of a building, a defective zone sensor is often the culprit. This direct OEM replacement is designed for seamless compatibility with applicable Lennox zoning systems, restoring precise zone-level temperature sensing.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028649331,"sku":"LNX-76M32","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-104125-01-temperature-sensor-11k39","title":"OEM Lennox 104125-01 Temperature Sensor — 11K39","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 11K39\u003c\/strong\u003e is a genuine OEM 104125-01 temperature sensor that provides accurate temperature readings to your Lennox system's control board, ensuring proper operation and energy-efficient performance. Symptoms of a failing temperature sensor include erratic system behavior, fault codes on the control board, incorrect temperature readings, and failure to heat or cool to the desired setpoint. Installing this exact OEM replacement restores reliable sensor communication and helps maintain the precise control your Lennox equipment requires.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028682099,"sku":"LNX-11K39","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-LNX-11K39.jpg?v=1783758909"},{"product_id":"oem-lennox-c0snzn01ae2-sensor-20k-zone-47w36","title":"OEM Lennox C0Snzn01Ae2 Sensor 20K Zone — 47W36","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 47W36\u003c\/strong\u003e is a genuine OEM 20K zone temperature sensor designed to deliver precise temperature monitoring in Lennox zoned HVAC systems. This sensor communicates accurate zone-level data to the system controller, enabling efficient and balanced climate control throughout the building. If your Lennox system is experiencing uneven temperatures, erratic zone behavior, or zone controller faults, a failing 20K zone sensor may be the cause and replacing it with this OEM part restores proper operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028714867,"sku":"LNX-47W36","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-return-water-sensor-boiler-bwmaan-13u16","title":"OEM Lennox Return Water Sensor Boiler BWMAAN 13U16","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 13U16\u003c\/strong\u003e is a genuine OEM return water temperature sensor specifically engineered for use with Lennox wall-mounted stainless steel condensing gas boilers, models BWMAAN000-150, BWMAAN000-200, and BWMAAN000-299. This sensor monitors the temperature of water returning to the boiler, allowing the system to make precise combustion and heat-output adjustments for maximum efficiency and safety. Symptoms of a failing return water sensor include boiler lockouts, erratic heating performance, or error codes related to water temperature on your Lennox boiler's control board.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028747635,"sku":"LNX-13U16","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-c0snzn73ae2-indoor-temp-sensor-10k-47w37","title":"OEM Lennox C0Snzn73Ae2 Indoor Temp Sensor 10K — 47W37","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 47W37\u003c\/strong\u003e is a genuine OEM 10K indoor temperature sensor designed to provide reliable and accurate temperature readings within Lennox zoned HVAC systems. Functioning as a zone-level input device, it feeds real-time indoor temperature data to the Lennox zone controller to maintain consistent and efficient comfort throughout conditioned spaces. If your Lennox system displays incorrect room temperatures, fails to maintain setpoints, or triggers zone-related fault codes, replacing the indoor sensor with this OEM part restores accurate system performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028780403,"sku":"LNX-47W37","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-bacnet-sensor-w-o-display-ste-6011-97w24","title":"OEM Lennox BACnet Sensor W\/O Display STE-6011 — 97W24","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 97W24\u003c\/strong\u003e is a genuine OEM BACnet-compatible temperature sensor (model STE-6011) without a display, designed for seamless integration with Lennox commercial HVAC systems and building automation networks. This sensor communicates temperature data over a BACnet protocol, enabling centralized monitoring and control in sophisticated building management environments. If your Lennox commercial system is reporting communication faults, inaccurate temperature data over the BACnet network, or loss of sensor signal, replacing this component with the OEM 97W24 ensures reliable data transmission and system compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028813171,"sku":"LNX-97W24","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-c0snzn08ae1-indoor-temperature-sensor-11k-94l61","title":"OEM Lennox C0Snzn08Ae1 Indoor Temperature Sensor 11K — 94L61","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 94L61\u003c\/strong\u003e is an OEM indoor temperature sensor (11K thermistor) designed to accurately monitor and report indoor air temperatures to your Lennox control board, ensuring precise comfort management. If this sensor fails, you may experience erratic temperature readings, system short cycling, or a complete loss of heating and cooling control. This sensor is a direct OEM replacement compatible with select Lennox residential systems requiring the C0Snzn08Ae1 specification.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028878707,"sku":"LNX-94L61","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-discharge-sensor-sectra-commercial-zoning-system-48g63","title":"OEM Lennox Discharge Sensor Sectra Commercial Zoning System — 48G63","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 48G63\u003c\/strong\u003e is an OEM discharge air temperature sensor specifically engineered for use with the Lennox Sectra Commercial Zoning System, monitoring conditioned air leaving the unit to maintain accurate zone-by-zone climate control. A faulty discharge sensor can result in improper zoning performance, temperature imbalances across zones, or system faults and error codes on your Lennox controller. This is a genuine Lennox OEM replacement part, ensuring a precise fit and reliable operation within compatible Sectra commercial zoning applications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028911475,"sku":"LNX-48G63","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-aquaguard-primary-pan-condensate-sensor-time-delay-24vac-y2971","title":"OEM Lennox Aquaguard Primary Pan Condensate Sensor Time Delay 24Vac — Y2971","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y2971\u003c\/strong\u003e Aquaguard primary pan condensate sensor is an OEM safety device rated at 24Vac and 5.0A that detects rising water levels in the condensate drain pan and shuts down the Lennox system before overflow damage can occur. A failed or malfunctioning condensate sensor may allow water to accumulate unchecked, potentially causing water damage, mold growth, or may trigger nuisance shutdowns if the sensor incorrectly reads a wet condition. This genuine Lennox OEM replacement includes a built-in time delay to prevent false trips and is designed for direct installation in compatible Lennox air handler and cooling system drain pans.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028977011,"sku":"LNX-Y2971","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-drain-hose-LNX-Y2971.jpg?v=1783759333"},{"product_id":"oem-lennox-hn-c7772a1004-wallplate-temp-sensor-85x52","title":"OEM Lennox Hn C7772A1004 Wallplate Temp Sensor — 85X52","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 85X52\u003c\/strong\u003e is an OEM Honeywell C7772A1004 wallplate temperature sensor designed to provide precise indoor ambient temperature readings to your Lennox HVAC control system. If your system is experiencing erratic temperature control, inaccurate thermostat readings, or failure to reach setpoint, a faulty wallplate sensor may be the cause. This direct OEM replacement ensures full compatibility with applicable Lennox heating and cooling systems for reliable, long-term performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029009779,"sku":"LNX-85X52","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-outdoor-sensor-wall-mounted-condensing-gas-boiler-y5391","title":"OEM Lennox Outdoor Sensor Wall Mounted Condensing Gas Boiler — Y5391","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y5391\u003c\/strong\u003e is an OEM outdoor temperature sensor specifically engineered for use with Lennox wall mounted condensing gas boilers, providing accurate outdoor ambient temperature data to optimize boiler operation and heating efficiency. Signs of a failing outdoor sensor include improper boiler modulation, inefficient heating cycles, or outdoor reset control malfunctions. This genuine Lennox OEM replacement part ensures seamless compatibility and restores your boiler system to factory-spec performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029042547,"sku":"LNX-Y5391","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-c0snzn71ae1-average-temperature-sensor-23m20","title":"OEM Lennox C0Snzn71Ae1 Average Temperature Sensor — 23M20","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 23M20\u003c\/strong\u003e (model C0SNZN71AE1) is a genuine OEM average temperature sensor designed to measure and average temperature readings across a space or duct system, enabling your Lennox HVAC equipment to maintain consistent and balanced comfort levels. Symptoms of failure may include uneven temperatures, erratic system cycling, or inaccurate temperature reporting at the thermostat or controller. This direct OEM Lennox replacement guarantees proper fit and function for compatible Lennox heating and cooling applications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029075315,"sku":"LNX-23M20","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-duct-mounted-changeover-sensor-y9683","title":"OEM Lennox Duct Mounted Changeover Sensor — Y9683","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y9683\u003c\/strong\u003e is an OEM duct mounted changeover sensor that detects whether the HVAC system is delivering heated or cooled air, allowing zone control systems and equipment to automatically switch between heating and cooling modes with precision. A failed changeover sensor can result in incorrect mode operation, inefficient zoning performance, or improper damper control responses within your Lennox system. This genuine OEM Lennox part ensures accurate changeover detection and is a direct replacement for compatible Lennox zoning and air distribution systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029108083,"sku":"LNX-Y9683","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-return-air-duct-zone-sensor-non-communicating-56l81","title":"OEM Lennox Return Air Duct Zone Sensor Non-Communicating — 56L81","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 56L81\u003c\/strong\u003e is a genuine OEM return air duct mount zone sensor engineered for non-communicating zoning applications, delivering industry-leading temperature accuracy of +\/-0.36°F to ensure precise zone-level climate management in your Lennox system. If you notice temperature inconsistencies within specific zones, unresponsive zone control, or inaccurate readings reported back to the zone controller, this sensor may require replacement. Designed as a direct OEM replacement, the Lennox 56L81 is fully compatible with applicable Lennox zoning systems and installs easily into standard return air duct configurations.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029140851,"sku":"LNX-56L81","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-6-duct-probe-20k-ohm-ntc-temperature-sensor-19l22","title":"OEM Lennox 6\" Duct Probe 20K Ohm NTC Temperature Sensor — 19L22","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 19L22\u003c\/strong\u003e is a genuine OEM 6-inch duct probe featuring a 20K Ohm NTC non-linear thermistor designed to deliver precise air temperature measurements within Lennox HVAC duct systems. This sensor communicates real-time temperature data to the system controller, enabling efficient heating and cooling performance. If your Lennox system is exhibiting erratic temperature readings, improper staging, or comfort inconsistencies, a failed duct probe sensor like the 19L22 is often the cause.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029173619,"sku":"LNX-19L22","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-two-wire-non-communicating-wall-zone-sensor-56l80","title":"OEM Lennox Two-Wire Non-Communicating Wall Zone Sensor — 56L80","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 56L80\u003c\/strong\u003e is a genuine OEM two-wire, non-communicating wall-mounted zone sensor engineered for use with Lennox zoning systems to monitor and report room-level temperature data. This sensor connects directly to compatible Lennox zone controllers, providing the input needed for precise zone-by-zone climate management. Symptoms of a failing 56L80 include unresponsive zones, inaccurate temperature readings, or zones that fail to call for heating or cooling properly.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029206387,"sku":"LNX-56L80","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-two-wire-non-communicating-wall-zone-sensor-94l60","title":"OEM Lennox Two-Wire Non-Communicating Wall Zone Sensor — 94L60","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 94L60\u003c\/strong\u003e is a genuine OEM two-wire, non-communicating wall-mounted zone sensor designed to provide accurate zone temperature feedback to compatible Lennox zone control systems. Like the 56L80, this sensor plays a critical role in ensuring individual zones receive proper conditioning based on actual room conditions. If you notice inconsistent zone temperatures, zones not responding to demand, or erratic system cycling, replacing the 94L60 zone sensor may resolve the issue.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029239155,"sku":"LNX-94L60","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-wireless-indoor-air-sensor-y4671","title":"OEM Lennox Wireless Indoor Air Sensor — Y4671","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y4671\u003c\/strong\u003e is a genuine OEM wireless indoor air sensor that transmits room temperature data to compatible Lennox HVAC systems, eliminating the need for dedicated sensor wiring and simplifying installation in retrofit or hard-to-wire applications. This sensor integrates seamlessly with Lennox control systems to help maintain consistent comfort throughout the conditioned space. Signs of a failing Y4671 include loss of wireless signal, inaccurate temperature reporting, or the system defaulting to thermostat-only sensing.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029271923,"sku":"LNX-Y4671","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-multi-boiler-sensor-kit-wall-mount-condensing-boiler-y5401","title":"OEM Lennox Multi Boiler Sensor Kit Wall Mount Condensing Boiler — Y5401","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y5401\u003c\/strong\u003e is a genuine OEM multi boiler sensor kit specifically designed for use with Lennox wall-mounted condensing gas boilers, providing the temperature sensing inputs required for proper multi-boiler sequencing and system control. This kit includes the sensors necessary to monitor critical boiler operating parameters, enabling efficient staging and protecting the system from unsafe operating conditions. Failure of the Y5401 sensor kit can result in improper boiler staging, lockouts, error codes, or reduced heating efficiency in Lennox condensing boiler installations.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029304691,"sku":"LNX-Y5401","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-zone-temperature-sensor-21w07","title":"OEM Lennox Zone Temperature Sensor — 21W07","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 21W07\u003c\/strong\u003e is an OEM zone temperature sensor designed to accurately monitor and report room temperatures within Lennox zoning systems, enabling precise climate control throughout your home or building. If this sensor fails, you may experience incorrect temperature readings, uneven heating or cooling, or zones that fail to respond properly to thermostat commands. This is a genuine Lennox OEM replacement part compatible with select Lennox zoning system configurations — always verify your model number before ordering.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029337459,"sku":"LNX-21W07","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-truesteam-water-level-sensor-assembly-y3739","title":"OEM Lennox TrueSteam Water Level Sensor Assembly — Y3739","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y3739\u003c\/strong\u003e (OEM reference 50027998-002) is a genuine water level sensor assembly engineered specifically for Lennox TrueSteam whole-home humidifiers, monitoring water levels to ensure safe and efficient steam generation. A faulty water level sensor can cause your TrueSteam humidifier to shut down unexpectedly, produce error codes, fail to generate steam, or overflow due to improper water level detection. This OEM Lennox replacement part restores proper humidifier function and is designed to meet original factory specifications for compatible TrueSteam humidifier models.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029370227,"sku":"LNX-Y3739","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-white-rodgers-indoor-remote-sensor-11j57","title":"OEM Lennox White Rodgers Indoor Remote Sensor — 11J57","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 11J57\u003c\/strong\u003e White Rodgers Indoor Remote Sensor is a genuine OEM component designed to accurately detect and relay indoor ambient temperature readings to your Lennox HVAC system's control board. If your system is experiencing inconsistent temperature control, erratic cycling, or inaccurate thermostat readings, a faulty indoor remote sensor may be the cause. This OEM-certified sensor ensures a precise fit and reliable performance for compatible Lennox heating and cooling systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029402995,"sku":"LNX-11J57","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-bacnet-sensor-with-display-ste-8001-97w23","title":"OEM Lennox Bacnet Sensor With Display Ste-8001 — 97W23","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 97W23\u003c\/strong\u003e BACnet Sensor with Display (STE-8001) is a genuine OEM component that provides BACnet-compatible communication for seamless integration into building automation systems, delivering real-time environmental data directly from your Lennox HVAC equipment. Symptoms of a failing BACnet sensor include loss of building automation communication, incorrect environmental readings, and inability to monitor or control system parameters remotely. This OEM-certified sensor is engineered for precise compatibility with Lennox commercial HVAC systems that require BACnet protocol support.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029435763,"sku":"LNX-97W23","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-room-air-sensor-97h53","title":"OEM Lennox Room Air Sensor — 97H53","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 97H53\u003c\/strong\u003e Room Air Sensor is a genuine OEM component that continuously monitors ambient room air conditions, providing your Lennox HVAC system with the accurate data it needs to maintain consistent comfort and efficient operation. A failing room air sensor may cause symptoms such as incorrect temperature readings, inconsistent heating or cooling cycles, or system errors related to zone or room condition inputs. This OEM-certified sensor is built to Lennox's exact specifications, ensuring reliable compatibility and a precise fit with supported Lennox heating and cooling systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029468531,"sku":"LNX-97H53","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-iharmony-zoning-system-indoor-sensor-10c17","title":"OEM Lennox Iharmony Zoning System Indoor Sensor — 10C17","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 10C17\u003c\/strong\u003e is a genuine OEM indoor sensor designed for use with the Lennox iHarmony Zoning System, providing accurate room-level temperature sensing to enable precise multi-zone climate control throughout your home or building. If this sensor fails, you may experience inconsistent temperatures across zones, unresponsive zone control, or system errors on your Lennox iHarmony controller. This part is a direct OEM replacement compatible with Lennox iHarmony zoning systems and should be installed by a qualified HVAC technician.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029501299,"sku":"LNX-10C17","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-return-air-duct-relative-humidity-sensor-76m31","title":"OEM Lennox Return Air Duct Relative Humidity Sensor — 76M31","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 76M31\u003c\/strong\u003e is a genuine OEM return air duct relative humidity sensor engineered to monitor moisture levels in the return air stream, helping your Lennox system maintain ideal indoor humidity levels and air quality. A faulty 76M31 sensor can result in inaccurate humidity readings, poor dehumidification performance, or erratic operation of your Lennox HVAC system's humidity controls. This direct OEM replacement part is designed for compatibility with select Lennox air handlers and furnace systems and should be installed by a certified HVAC professional.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029534067,"sku":"LNX-76M31","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-ventostat-co2-rh-temp-wall-mount-transmitter-87n53","title":"OEM Lennox Ventostat CO2\/RH\/Temp Wall-Mount Transmitter — 87N53","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 87N53\u003c\/strong\u003e is a genuine OEM Ventostat wall-mount transmitter that simultaneously monitors carbon dioxide (CO2) levels, relative humidity (RH), and temperature, providing your Lennox system with the data needed to optimize ventilation, indoor air quality, and energy efficiency. If this sensor malfunctions, you may experience poor ventilation control, inaccurate CO2 or humidity readings, occupant discomfort, or demand-controlled ventilation failures within your Lennox system. This white wall-mount OEM replacement transmitter is built to Lennox factory standards and is ideal for commercial and residential applications requiring comprehensive indoor air quality monitoring.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029566835,"sku":"LNX-87N53","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-comfort-sensor-18w69","title":"OEM Lennox Comfort Sensor — 18W69","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18W69\u003c\/strong\u003e is a genuine OEM Comfort Sensor designed to monitor ambient conditions within a zone and communicate accurate temperature data to your Lennox HVAC system for precise comfort control. If your system is experiencing inconsistent temperatures, unresponsive zoning, or erratic thermostat behavior, a faulty comfort sensor is often the root cause. This direct OEM replacement is fully compatible with select Lennox zoning systems and ensures reliable, manufacturer-approved performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029599603,"sku":"LNX-18W69","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-ventostat-co2-rh-temp-wall-mount-sensor-black-87n54","title":"OEM Lennox Ventostat CO2\/RH\/Temp Wall-Mount Sensor Black — 87N54","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 87N54\u003c\/strong\u003e is a genuine OEM Ventostat wall-mount transmitter that simultaneously monitors CO2 levels, relative humidity (RH), and temperature to help your Lennox system maintain optimal indoor air quality and comfort. Failure symptoms include poor ventilation control, inaccurate humidity or CO2 readings, and demand-controlled ventilation malfunctions. This black-finished unit is a direct OEM replacement compatible with select Lennox iHarmony and ventilation control applications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029632371,"sku":"LNX-87N54","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-ventostat-co2-rh-temp-wall-mount-lcd-sensor-white-77n39","title":"OEM Lennox Ventostat CO2\/RH\/Temp Wall-Mount LCD Sensor White — 77N39","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 77N39\u003c\/strong\u003e is a genuine OEM Ventostat wall-mount transmitter featuring a built-in LCD display that provides real-time visibility into CO2 concentration, relative humidity, and temperature levels within your Lennox-controlled environment. If your demand-controlled ventilation is performing erratically, displaying incorrect air quality readings, or failing to respond to occupancy changes, this sensor may require replacement. The white-finished unit is a direct OEM replacement designed for seamless integration with compatible Lennox ventilation and zoning systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029665139,"sku":"LNX-77N39","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-comfort-sensor-18w66","title":"OEM Lennox Comfort Sensor — 18W66","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18W66\u003c\/strong\u003e is a genuine OEM Comfort Sensor that delivers accurate zone-level temperature readings to your Lennox HVAC system, enabling consistent and efficient climate management throughout your home or building. Common signs of a failing comfort sensor include uneven heating or cooling, zones that fail to reach setpoint, or a system that cycles incorrectly. This direct OEM replacement is engineered to Lennox specifications for dependable, long-lasting performance in compatible zoning applications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029697907,"sku":"LNX-18W66","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-zoning-comfort-sensor-18w58","title":"OEM Lennox Zoning Comfort Sensor — 18W58","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18W58\u003c\/strong\u003e is a genuine OEM Zoning Comfort Sensor specifically designed to provide precise temperature feedback within individual zones of a Lennox zoning system, allowing for accurate and energy-efficient comfort control. Symptoms of a defective zoning comfort sensor can include zones that are too hot or too cold, unresponsive zone controls, or a zoning system that runs continuously without reaching the desired setpoint. This direct OEM replacement meets Lennox factory standards and is compatible with select Lennox iHarmony and multi-zone HVAC configurations.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029730675,"sku":"LNX-18W58","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-ventostat-co2-rh-temp-wall-mount-sensor-lcd-87n52","title":"OEM Lennox Ventostat CO2\/RH\/Temp Wall-Mount Sensor LCD — 87N52","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 87N52\u003c\/strong\u003e is an OEM Ventostat wall-mount transmitter that simultaneously monitors CO2 levels, relative humidity, and temperature, providing critical indoor air quality data to compatible Lennox HVAC control systems. If your system is displaying inaccurate readings, failing to maintain proper ventilation, or showing IAQ fault codes, a failing 87N52 sensor is a likely culprit. This black LCD-display sensor is a genuine Lennox OEM part designed for seamless compatibility with supported Lennox commercial and residential ventilation systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029763443,"sku":"LNX-87N52","price":24.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-comfort-sensor-18w70","title":"OEM Lennox Comfort Sensor — 18W70","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18W70\u003c\/strong\u003e is a genuine OEM comfort sensor designed to provide accurate ambient condition readings to compatible Lennox heating and cooling systems, ensuring precise comfort control throughout your space. Symptoms of a failing 18W70 include inconsistent temperatures, system short-cycling, or the HVAC unit failing to respond correctly to thermostat demands. This OEM Lennox replacement part ensures a direct fit and restores full system functionality without the guesswork of aftermarket alternatives.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081029796211,"sku":"LNX-18W70","price":24.95,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/nationalhvacparts.com\/collections\/sensors.oembed?page=3","provider":"National HVAC Parts","version":"1.0","type":"link"}