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I have an itt grinnell overhead garage heater ( on natural gas ) The pilot light is going but it won't kick in ... Is it the thermo coupler or the thermostats

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I f you follow the thermocouple to were it connectecs to the safty valve. unscrew the thermocouple there and carefully clean the end with a pencil eracer (not sand paper) reassemble this has worked 4 me Mike

Posted on Feb 19, 2013

  • Mike Rossmad Feb 19, 2013

    i f you follow the thermocouple to were it connectecs to the safty valve. unscrew the thermocouple there and carefully clean the end with a pencil eracer (not sand paper) reassemble this has worked 4 me Mike



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SOURCE: pro comm natural gas heater, pilot keeps going out

The problem is likely to be either the thermal-couple (easily replaced) or a clogged gas orrifice. The clogged orrifice would require a bit more know-how then the thermal-couple and with gas appliances it would be best to hire someone who knows what they are doing.

Posted on Mar 21, 2009

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