{"title":"Furnace Limit Switches","description":"\u003cp\u003eHigh limit switches shut the burners down when the heat exchanger overheats. A switch that trips repeatedly is usually doing its job -- check the filter and airflow first.\u003c\/p\u003e","products":[{"product_id":"furnace-limit-switch-3l05-1","title":"Furnace Limit Switch | 3L05-1","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e3L05-1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003e3L05-1\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $47.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395283247,"sku":"3L05-1","price":47.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-m39225","title":"Furnace Limit Switch | M39225","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM39225\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eM39225\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $72.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395316015,"sku":"M39225","price":72.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-m39029","title":"Furnace Limit Switch | M39029","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM39029\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eM39029\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $25.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395348783,"sku":"M39029","price":25.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-m39230","title":"Furnace Limit Switch | M39230","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM39230\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eM39230\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $72.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395381551,"sku":"M39230","price":72.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-m39022","title":"Furnace Limit Switch | M39022","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM39022\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eM39022\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $30.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395414319,"sku":"M39022","price":30.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-m39019","title":"Furnace Limit Switch | M39019","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM39019\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eM39019\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $25.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395447087,"sku":"M39019","price":25.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-l200","title":"Furnace Limit Switch | L200","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eL200\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eL200\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $17.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395545391,"sku":"L200","price":17.95,"currency_code":"USD","in_stock":true}]},{"product_id":"furnace-limit-switch-hmr-130","title":"Furnace Limit Switch | HMR-130","description":"\u003cp\u003e\u003cstrong\u003eFurnace Limit Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eHMR-130\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe high limit switch shuts the burners down when the heat exchanger gets too hot. It is a safety device, so when it trips repeatedly the switch is usually doing its job correctly and the real fault is restricted airflow. Check the filter before you replace this.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFurnace heats briefly then shuts down, repeatedly\u003c\/li\u003e\n\u003cli\u003eBlower keeps running after the burners cut out\u003c\/li\u003e\n\u003cli\u003eFurnace locks out after several failed cycles\u003c\/li\u003e\n\u003cli\u003eSwitch reads open on a multimeter when cold\u003c\/li\u003e\n\u003cli\u003eBurnt or discoloured switch housing\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\u003eHMR-130\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 25 minutes. Tools: 1\/4\" nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years. Most HVAC companies charge $200-400 to replace this part, including the service call.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace limit switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: furnace heats briefly then shuts down, repeatedly; blower keeps running after the burners cut out; furnace locks out after several failed cycles.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace limit switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with 1\/4\" nut driver, screwdriver. Always shut the power off at the breaker first. A limit switch that trips repeatedly is a symptom, not the disease. Replace the filter and confirm airflow first. Never jumper a limit switch -- it is the device that stops a cracked heat exchanger becoming a fire.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace limit switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\u003ch3\u003eHow much does a contractor charge to replace a furnace limit switch?\u003c\/h3\u003e\u003cp\u003eMost HVAC companies charge $200-400 for this repair, including the service call. The part itself is $32.95.\u003c\/p\u003e\n\u003ch3\u003eHow fast does this ship?\u003c\/h3\u003e\u003cp\u003eOrders placed by 2 PM CT typically ship the same business day, with delivery in 1-5 business days.\u003c\/p\u003e\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 90 days. 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":"Furnace Direct","offers":[{"title":"Default Title","offer_id":58271395578159,"sku":"HMR-130","price":32.95,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/furnace.direct\/collections\/limit-switches\/single-stage+15-seer2.oembed","provider":"Furnace Direct","version":"1.0","type":"link"}