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    rwitsil2's Avatar
    rwitsil2 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 1, 2013, 03:29 PM
    I have older Coleman Presidential Gas heater. Blower runs continuously unless I manua
    Blower runs continuously unless I switch off at Heater (ON/OFF) switch. From
    Thermostat (Pro) I switch from Heat to OFF mode and blower runs forever.
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #2

    Nov 1, 2013, 07:05 PM
    There could be any number of causes. If the fan is controlled by temperature, the fan switch could be stuck or bad. If it is timed, you could have a stuck fan relay on the board. If there is a manual fan switch on the furnace, as there is on many Colemans, it could be turned on.
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