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Gas furnace (3 zones) -shuts off after 2 minutes

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Catherine
Catherine Member Posts: 7
in THE MAIN WALL
Weil-McLain, gas furnace, installed in 1979, fires all burners, then shuts down. Cleaned thermal sensor. Pump is less than 2 years old, capacitor appears new. Any ideas. I have turned the thermostat up to 80 degrees. The radiator is slightly warm, so I think that the pump must have circulated some water. Any ideas?

Catherine

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  • Jim Pompetti
    Jim Pompetti Member Posts: 552
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    Check

    the water pressure . Should be about 12psi , if you done have pressure the water can't move . 
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