How Long Should A Boiler Thermocouple Last in How To

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How Long Should A Boiler Thermocouple Last. If the thermocouple is extremely dirty at the tip, bent away from the flame or damaged, it could be the diagnosis of why the boiler isn't working. If the pilot remains lit, but the main furnace doesn't stay lit, it's time to replace the thermocouple.

How Long Should My Thermocouple Last
How Long Should My Thermocouple Last from digitaledition.industrialheating.com

Out of every boiler brand i've ever come across, worcester bosch seem to outperform them all in terms of lifespan. Whenever you start a standing pilot, you have to manually depress the gas valve for 10 to 20 seconds to give the thermocouple time to heat up and start generating enough current to keep the gas valve open. An ongoing draft, a faulty thermocouple, an accumulation of dirt, or an inefficient supply.

How Long Should My Thermocouple Last

If the thermocouple is extremely dirty at the tip, bent away from the flame or damaged, it could be the diagnosis of why the boiler isn't working. Should a pilot light always be on? There are several possible reasons why your gas furnace pilot won’t light: In this scenario, thermocouple life, which should have been close to one year, was shortened to within a week.