{"product_id":"carrier-py1pna042100adba-flame-sensor-cygsl5","title":"OEM Carrier Flame Sensor Assembly 64.5\" Wire — PY1PNA042100ADBA","description":"\u003ch1\u003eOEM Carrier Flame Sensor Assembly LH33WZ005 for Model PY1PNA042100ADBA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier flame sensor assembly (part #LH33WZ005) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PNA042100ADBA\u003c\/strong\u003e packaged unit. The flame sensor is a safety-critical component: it uses electrical rectification to verify that a burner flame is present after ignition. When the sensor rod becomes coated with oxidation or carbon buildup — or fails outright — the control board cannot confirm ignition and shuts the burner off within 5 to 8 seconds, resulting in a no-heat lockout condition. Replacing the sensor with an OEM part restores factory-precise signal thresholds and prevents nuisance lockouts caused by out-of-spec aftermarket rods.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WZ005 | Factory Authorized Parts (Carrier OEM) | Includes 64.5\" wire lead and mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM sensors are calibrated to exact microamp output specifications for the Carrier control board. Generic sensors often operate outside tolerance, causing intermittent lockouts even after cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off gas and 24V power before servicing. Tools needed: 1\/4\" hex driver, needle-nose pliers, multimeter (to verify µA signal after install). Route wire lead clear of heat exchanger surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003ePY1PNA042100ADBA\u003c\/strong\u003e packaged unit. Verify your existing sensor's wire lead length and mounting bracket style against your unit's data plate before ordering. Our HVAC parts team is available to confirm fitment before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640961487219,"sku":"CARRIE-PY1PNA042100ADBA-FLAME_SENSOR-LH33WZ005","price":142.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640961519987,"sku":"CARRIE-PY1PNA042100ADBA-FLAME_SENSOR-LH33WZ005-GEN","price":125.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-flame-sensor-LH33WZ005_11c69ea5-e92f-4208-9572-1fbad5583056.jpg?v=1775029730","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pna042100adba-flame-sensor-cygsl5","provider":"National HVAC Parts","version":"1.0","type":"link"}