{"product_id":"ultra-durable-52w29-furnace-flame-sensor-replaceme","title":"Ultra Durable 52W29 Furnace Flame Sensor Replacement For Lennox Armstrong And Ducane Furnaces Replaces 52W2901 LB47940A 31L71 31L7101 Easy Install High Reliability And Quick Diagnostics","description":"\u003cdiv\u003e52W29 Flame Sensor for Lennox\/Ducane Furnaces\u003cbr\u003e\n✔️ Replaces 52W2901, LB47940A, 31L71, 31L7101; approx 5.3 inches (135 mm) long. \u003cp\u003eThis furnace flame sensor replacement part monitors the burner to detect flame presence and safely shut off gas if no flame is detected. It’s typically used in Lennox, Armstrong, and Ducane gas furnaces to protect homes from gas leaks and ensure proper ignition.\u003c\/p\u003e \u003cp\u003e✅ Model number: 52W29 \u003cbr\u003e✅ Replaces part numbers: 52W2901, LB47940A, 31L71, 31L7101 \u003cbr\u003e✅ Compatibility: Lennox, Armstrong \u0026amp; Ducane furnaces (G40-G71 series) \u003cbr\u003e✅ Approx length: 5.3 inches (135 mm) long \u003cbr\u003e✅ Function: Flame sensor detects flame and shuts gas valve if flame is absent \u003cbr\u003e✅ Premium build with durable material and factory-tested performance \u003cbr\u003e✅ 100% lifetime protection against defects \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a furnace flame sensor used for in household gas furnaces?\u003cbr\u003eA handy safety device that detects flame presence and stops gas flow if no flame is detected.\u003cbr\u003e- helps prevent gas buildup by stopping flow when there’s no flame.\u003cbr\u003e- is common in Lennox, Armstrong \u0026amp; Ducane furnaces.\u003cbr\u003e- replacing a faulty sensor is a quick, budget-friendly fix that can restore heating.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48632089968875,"sku":"VXB07PDDS4H1","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71glwdx9_wL.jpg?v=1779973105","url":"https:\/\/vxb.com\/products\/ultra-durable-52w29-furnace-flame-sensor-replaceme","provider":"VXB Bearings","version":"1.0","type":"link"}