Are furnace thermocouples universal?
When purchasing a replacement thermocouple or flame sensor, it’s essential to make sure that it’s compatible with your particular furnace model. Honeywell, White Rodgers, and other manufacturers make universal replacement thermocouples, usually with a 30-millivolts (mV) rating for standing-pilot furnaces.
How much does it cost to replace a furnace thermocouple?
$150 to $250
Replacing a thermocouple costs $150 to $250, mostly due to labor time. On older models without an ignitor, it checks to make sure your pilot light is lit. If it’s not, it’ll shut the gas off.
How do I know what size thermocouple to buy?
Universal thermocouples come in lengths from 15 to 36 inches. An 18 or 24 inch will suffice for all residential water heaters using universal kits. Almost all older waters heaters and many of the newer style units with a sealed burner compartment and a viewing window will use this thermocouple.
How long does a furnace thermocouple last?
Thermocouples can last up to 10 years if properly installed and maintained, while furnaces can last 15-20 years, although either may wear out sooner in multifamily units.
How do I know what size thermocouple I need?
Is a thermocouple universal?
Does Lowe’s have a universal thermocouple?
Excludes Lowe’s Business Credit accounts, Lowe’s Visa ® accounts and all Lowe’s Canada Credit accounts. We reserve the right to discontinue or alter these terms at any time. The Honeywell 24 in. Lead length universal gas thermocouple is designed for gas furnaces and 30 millivolt systems.
What is a thermocouple on a gas furnace?
A furnace thermocouple is a device on a standing pilot gas furnace that’s responsible for opening and closing the main gas line to your furnace.
Is your furnace thermocouple to blame for Burnout problems?
Usually a furnace thermocouple is to blame when you can’t keep a pilot lit or if it is lit, the burners aren’t firing. Whatever the case, you either have to make some adjustments, do some cleaning, or do a replacement. Let’s take a quick look at how you might troubleshoot and fix a furnace thermocouple.
Do I need to clean or replace my gas furnace thermocouple?
If not, then you need to either clean or do a gas furnace thermocouple replacement. It’s crucial that the end of your thermocouple (tip) is in the path of a good pilot flame.