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Propane fireplace insert won't light

I have a 6 year old Pyromaster unvented propane fireplace insert which has about 1 your of use on it.
Push button to get pilot light lit. Stays lit. When moving the round knob to ON, pilot light goes out and of course does not light fireplace.
I assume I'm getting gas since the pilot light lights.
Could something be clogged up ? or Could the electric starter mechanism has gone bad.

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  • williewilcox Jan 18, 2009

    Same problem, but thermocouple is good what next??

  • ltextreme Mar 07, 2009

    I have the same problem. I replaced the thermocouple. Problem still there. Do I need to replace the thermopile?

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Gas apliances have safety features built into them so you don't blow yourself up. The pilot heats a thermocoupler which tells the gas valve there is a flame, open the main gas to the burner. If you can see the flame area of the pilot look for a round post about 3/16 inch in diamiter. This should be directly in the flame, if not bend the bracket so it is in one side of the pilot flame. The thermocouple is attached to a mounting bracket. This will be held in place by a 1/4 inch hex screw. remove the screw and the capilary tube leading to the gas control valve. Before you do anything, close the main gas supply to the fireplace and disconnect the power to the fan. You may need to semi dismantle the fireplace to get the thermocouple. The gas valve end is a brass 1/4 pipe thread plug. Turn the outer nut and remove without twisting the tube. Reverse this order to install a new one. Besure not to twist the capilary tube, tighten brass nut 1/4 turn past hand tight. Your better heating supply house will have these in stock. Restarting the pilot will take a few tries because the gas was off. Your gas suplier would charge about $75 to fix this. if you don't have the proper tools and it dosen't look pretty stright forward don't do it. You could get dead.

Posted on Dec 02, 2008

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