{"product_id":"52w29-furnace-flame-sensor","title":"52W29 Furnace Flame Sensor Replacement - For Lennox Armstrong \u0026 Ducane Furnaces","description":"\u003ch2\u003e52W29 Furnace Flame Sensor\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonitors burner flame to ensure safe furnace operation.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the original manufacturer's part.\u003c\/li\u003e\n\u003cli\u003eOverall length: 5.25 inches.\u003c\/li\u003e\n\u003cli\u003eSensing rod length: 2.75 inches.\u003c\/li\u003e\n\u003cli\u003eConstructed with a high-temperature resistant metal rod and ceramic insulator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e52W29\u003c\/li\u003e\n\u003cli\u003e52W2901\u003c\/li\u003e\n\u003cli\u003e31L71\u003c\/li\u003e\n\u003cli\u003e31L7101\u003c\/li\u003e\n\u003cli\u003eLB-74940A\u003c\/li\u003e\n\u003cli\u003e28PV41\u003c\/li\u003e\n\u003cli\u003e903600\u003c\/li\u003e\n\u003cli\u003eFLS52W29\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits specific gas furnace models from Lennox, Armstrong, and Ducane.\u003c\/li\u003e\n\u003cli\u003eCompatible with furnace series including G40, G41, G50, G51, G60, G61, and G71.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFurnace ignites but shuts down after a few seconds.\u003c\/li\u003e\n\u003cli\u003eFurnace fails to heat consistently or at all.\u003c\/li\u003e\n\u003cli\u003eThe sensor rod is visibly corroded, cracked, or has heavy carbon buildup that cannot be cleaned.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect all electrical power to the furnace before servicing.\u003c\/li\u003e\n\u003cli\u003eHandle the component by its metal bracket to avoid damaging the ceramic insulator.\u003c\/li\u003e\n\u003cli\u003eEnsure the sensor rod is properly positioned in the flame path for correct operation.\u003c\/li\u003e\n\u003cli\u003eVerify a secure wire connection before restoring power.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45844230701245,"sku":"AZ1624905","price":9.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ1624905_1_d5459a7d-54cf-4dc4-8390-539d4a043286.jpg?v=1762245777","url":"https:\/\/bluestarspartstrend.com\/products\/52w29-furnace-flame-sensor","provider":"BlueStars Parts","version":"1.0","type":"link"}