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Thermocouple. Keep pilot knob depressed for 30 seconds after lighting pilot.

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Q: Why water heater pilot won't stay on?
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Hot water heater pilot light works heater wont light?

Have you turned the control from Pilot to On? Have you increased the temperature setting?


Hot water heater pilot wont light?

THERMOCOUPLE or defective gas valve


What do you do if the pilot of your wall heater wont stay lit?

The flame detector on the pilot assembly is probably defective. If you do not know how to fix this, call you gas supplier and have it repaired.


Why wont pilot light stay on for gas heater?

Check the starting directions, most gas heater pilots must have the button depressed for more than 30 seconds. If this does not work there is a problem with the regulator.


What does it mean when the water heater wont say lit?

Most likely the thermocouple is bad. The thermocouple is the little tube that sits in the flame of the pilot light. Runs from the pilot light to the control valve. Very simple to replace. Costs about $6.


Your hot water heaters pilot light is on but the heater wont come on?

The thermocouple is bad. The thermocouple is the small metal tube that sits in the pilot light flame and runs to the control valve. The thermocouple generates a very small electrical current that keeps the gas valve open. They go bad regularly. **** I would have to say to check to make sure the valve is not in the "Pilot" position. If it is then turn it to the "On' position. If it still isn't working then you may have a bad Gas Control Valve. If the thermocouple was bad the pilot light would not stay lit. If the pilot light stay lit, it is doing what it is supossed to do.


Why wont your electronic ignition water heater stay lit for more than a few seconds?

Electronic ignition refering to it having a sparker to light the pilot light? That just lights the pilot, there is still a thermocouple that controls the gas valve. The thermocouple is the small tube that sits in the pilot flame and runs to the control valve. To replace, you will need to remove the cover plate, gas line, thermocouple, and sparker wire as a unit and replace the thermocouple once you have it out and them re-install the unit.


The heater in your 1989 corvette wont heat i replaced the heater core and it still wont heat.?

Low coolant level? Cooling system airbound? Bad thermostat? Water pump not circulating coolant? Heater control cable not working?


Need help about force heater why wont the heater stay running when the blue button is reslease after 30 sec?

You might have to try pushing the button for longer, or you might have a bad thermocouple.


Your 1987 camaro 5.0 wont stay running for long at heats up real quick what will cause that?

check these in order, thermostat,heater coil,water pump,oil pump and main crank bearings.


Why Is a potato dead?

Because it has no food and water so it wont stay alive


1994 Camaro heater wont work?

you have a bad heater core