{"title":"Furnace Flame Sensors","description":"\u003cp\u003eThe flame sensor proves the burner actually lit. If it cannot see flame within a few seconds the control board shuts the gas off, which is the safety working correctly.\u003c\/p\u003e\u003cp\u003eThe classic symptom is a furnace that lights, runs for 3 to 10 seconds, then shuts down — over and over, usually ending in lockout. Nine times out of ten the rod is sooted rather than dead; clean it with fine abrasive cloth first. If cleaning only buys you a few days, replace it.\u003c\/p\u003e\u003cp class=\"fd-coll-terms\"\u003eShips the same business day on orders placed by 2 PM CT. 7-day returns on parts. Not sure which one you need? Call \u003cstrong\u003e(888) 762-1334\u003c\/strong\u003e — we are licensed HVAC contractors (Hamlin Mechanical LLC, MN Lic. #128688) and we would rather talk you out of the wrong part than sell it to you.\u003c\/p\u003e","products":[{"product_id":"flame-sensor-790-843a1","title":"Flame Sensor | 790-843A1","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e790-843A1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e790-843A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"White-Rodgers","offers":[{"title":"Default Title","offer_id":58271380144431,"sku":"790-843A1","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/790-843A1.jpg?v=1785719529"},{"product_id":"flame-sensor-632484r","title":"Flame Sensor | 632484R","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e632484R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e632484R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Airtemp","offers":[{"title":"Default Title","offer_id":58271380177199,"sku":"632484R","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/632484R.jpg?v=1785719530"},{"product_id":"flame-sensor-fls301","title":"Flame Sensor | FLS301","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eFLS301\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eFLS301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Supco","offers":[{"title":"Default Title","offer_id":58271380275503,"sku":"FLS301","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/FLS301.jpg?v=1785719531"},{"product_id":"flame-sensor-903600","title":"Flame Sensor | 903600","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e903600\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e903600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Airtemp","offers":[{"title":"Default Title","offer_id":58271380308271,"sku":"903600","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/903600.jpg?v=1785719532"},{"product_id":"flame-sensor-98m87","title":"Flame Sensor | 98M87","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e98M87\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e98M87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Allied Air","offers":[{"title":"Default Title","offer_id":58271380341039,"sku":"98M87","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/98M87.jpg?v=1785719533"},{"product_id":"flame-sensor-fls013","title":"Flame Sensor | FLS013","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eFLS013\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eFLS013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Supco","offers":[{"title":"Default Title","offer_id":58271380373807,"sku":"FLS013","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/FLS013.jpg?v=1785719534"},{"product_id":"flame-sensor-760-401","title":"Flame Sensor | 760-401","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e760-401\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e760-401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"White-Rodgers","offers":[{"title":"Default Title","offer_id":58271380406575,"sku":"760-401","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/760-401.jpg?v=1785719535"},{"product_id":"flame-sensor-s1-02527773700","title":"Flame Sensor | S1-02527773700","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eS1-02527773700\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eS1-02527773700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Source One","offers":[{"title":"Default Title","offer_id":58271380439343,"sku":"S1-02527773700","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/S1-02527773700.jpg?v=1785719536"},{"product_id":"flame-sensor-52m72","title":"Flame Sensor | 52M72","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e52M72\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e52M72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Allied Air","offers":[{"title":"Default Title","offer_id":58271380472111,"sku":"52M72","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/52M72.jpg?v=1789338876"},{"product_id":"flame-sensor-62-23543-01","title":"Flame Sensor | 62-23543-01","description":"\u003cp\u003e\u003cstrong\u003eFlame Sensor\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e62-23543-01\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe flame sensor is a metal rod that confirms a flame is actually present. It carries a tiny electrical current through the flame; when oxide builds up on the rod that current drops, the control board assumes there is no flame, and it shuts the gas off for safety.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace lights, runs 3-10 seconds, then shuts down\u003c\/li\u003e\n\u003cli\u003eThe cycle repeats several times, then locks out\u003c\/li\u003e\n\u003cli\u003eFurnace blows cold air after a brief burst of heat\u003c\/li\u003e\n\u003cli\u003eSensor rod is coated white, grey, or sooty\u003c\/li\u003e\n\u003cli\u003eCleaning the rod fixes it for a few weeks, then it returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e62-23543-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 15 minutes. Tools: 1\/4\" nut driver, fine abrasive pad. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 2-5 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my flame sensor is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace lights, runs 3-10 seconds, then shuts down; the cycle repeats several times, then locks out; furnace blows cold air after a brief burst of heat.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a flame sensor myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 15 minutes with 1\/4\" nut driver, fine abrasive pad. Always shut the power off at the breaker first.\u003c\/p\u003e\n\u003ch3\u003eHow long does a flame sensor last?\u003c\/h3\u003e\u003cp\u003eTypically 2-5 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Fujitsu","offers":[{"title":"Default Title","offer_id":58271380504879,"sku":"62-23543-01","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/62-23543-01.jpg?v=1789338879"}],"url":"https:\/\/furnace.direct\/collections\/flame-sensors\/1-5-ton+variable-speed.oembed","provider":"Furnace Direct","version":"1.0","type":"link"}