{"product_id":"oem-lennox-mixed-air-thermistor-sensor-10f83","title":"OEM Lennox Mixed Air Thermistor Sensor — 10F83","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e10F83\u003c\/strong\u003e mixed air thermistor sensor measures the temperature of blended return and outdoor air so your Lennox control board and economizer can modulate dampers and staging for comfort and efficiency. Accurate temperature feedback from this sensor is essential for correct free-cooling operation and proper equipment sequencing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e erratic or incorrect temperature readings, economizer dampers stuck open or closed, poor comfort control, fault or sensor error codes at the control board, or heating and cooling stages that cycle at the wrong times. A drifting or open thermistor sends bad data that the controls act on directly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e thermistors are calibrated to a specific resistance-versus-temperature curve that the Lennox control logic expects. The OEM \u003cstrong\u003e10F83\u003c\/strong\u003e matches that curve exactly, so the board reads true temperatures — a generic sensor with a different curve produces false readings and unpredictable operation. Install the authentic Lennox \u003cstrong\u003e10F83\u003c\/strong\u003e for precise sensing and full control-system compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081136849267,"sku":"LNX-10F83","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-10F83.jpg?v=1783762714","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-mixed-air-thermistor-sensor-10f83","provider":"National HVAC Parts","version":"1.0","type":"link"}