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    tasker24's Avatar
    tasker24 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 1, 2007, 05:36 AM
    Boiler won't shut off
    I have an old Oil to Gas conversion boiler and for some reason I cannot get the boiler or the circulator pump to shut off. I have a digital thermostat and it is set for 65 degrees but the boiler keeps firing up and the temp in the House is now 72 degrees. The boiler will run for 3 minutes then shut of all the while the pump is running then after five minutes of being off the boiler fires back up again. I have baseboard hot water. Anyone know why its not following the thermostat, because it seems to be working as far as the thermostat display goes?
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #2

    Feb 1, 2007, 02:42 PM
    Thermostat is bad, thermostat wire is pinched/shorted out some where.
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