{"product_id":"carrier-pg9mtav60100abss-flame-sensor-cygrqz","title":"OEM Carrier Flame Sensor LH33WZ520 for PG9MTAV60100ABSS","description":"\u003ch1\u003eOEM Carrier Flame Sensor LH33WZ520 for Model PG9MTAV60100ABSS\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM flame sensor (part number \u003cstrong\u003eLH33WZ520\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PG9MTAV60100ABSS\u003c\/strong\u003e gas furnace. The flame sensor — also called a flame rod — is a safety device mounted in the burner assembly that detects the presence of a lit flame by passing a small electrical current through it. When the sensor's rod becomes coated with oxidation or carbon buildup, resistance increases and the control board can no longer confirm combustion. The result is a classic symptom: the burner ignites normally, runs for 5–8 seconds, then shuts off — repeating this lockout cycle until the unit faults out entirely. Replacing the flame sensor is one of the most common and straightforward furnace repairs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number LH33WZ520 | Single-rod flame sensor | Factory-matched electrical resistance characteristics | Replaces worn, corroded, or cracked sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM Carrier sensor is manufactured to exact factory tolerances for current draw and rod geometry. Generic sensors may have inconsistent resistance values, causing nuisance lockouts or premature failure — OEM is always the recommended choice for reliable ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — A straightforward repair for a qualified technician or experienced DIYer. Tools needed: 1\/4\" hex driver or nut driver, fine steel wool or emery cloth (to clean mounting surface), and a multimeter to verify microamp signal after installation. Always shut off gas supply and 115V power before servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003ePG9MTAV60100ABSS\u003c\/strong\u003e gas furnace. Always verify your existing part number on the sensor body or equipment wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping available on all in-stock OEM parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642065375603,"sku":"CARRIE-PG9MTAV60100ABSS-FLAME_SENSOR-LH33WZ520","price":33.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642065408371,"sku":"CARRIE-PG9MTAV60100ABSS-FLAME_SENSOR-LH33WZ520-GEN","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-flame-sensor-LH33WZ520_949f5aef-ebbb-4d00-b492-3a2f4f301e51.jpg?v=1775031145","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9mtav60100abss-flame-sensor-cygrqz","provider":"National HVAC Parts","version":"1.0","type":"link"}