Question about Heating & Cooling
We've replaced the thermocouple twice just in case the first one was faulty and it fired up first time. The pilot then went out after about 10 minutes and now won't stay in at all. Any suggestions?
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Posted on Jan 02, 2017
SOURCE: pilot light won't stay lit.
most common cause of the described symptom overheating the thermocouple! a thermocouple produces millivolts of electricity based upon a differential of temperature between the tip and the base. If it gets too hot it will not work correctly. If the pilot flame is too large or the main burner flame is contacting the thermocouple or the thermocouple is too cheap or old all can cause this issue.
Posted on Dec 18, 2008
Open following link to identify specific gas control anddownload possible service manuals for that specific product.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.htmlIt is possible that air intake is dirty, or combustion partsneed cleaning, or gas control valve is bad, or gas pressure is low.
Posted on May 19, 2012
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Your problem is easy and frequent. The pilot light should heat up the thermouple which in return by the heat will keep the valve on for pilot light first and the burner light.
So either the pilot light is not reaching the thermocouple - this only if someone moves the pilot light
Or the thermocouple became weak and can hold the gas valve open - so replace the thermocouple with new one.
There is a very small possibility that the gas valve is faulty but you should replace the thermocouple in any case which is very cheap first and is the most possible cause.
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