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    Fitzgoblin's Avatar
    Fitzgoblin Posts: 3, Reputation: 1
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    #1

    Jan 20, 2012, 07:24 PM
    Heil furnace problem
    I have a 20 ye old heil nguk direct vent furnace. It has electronic spark. The inducer comes on when stat calls for heat but nothing else happens no gas relay l
    Ignition or flame just continuous running of inducer flame sensor ignitor replace as well as the spark wire and relay
    SeattlePioneer's Avatar
    SeattlePioneer Posts: 97, Reputation: 9
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    #2

    Jan 20, 2012, 07:32 PM
    Start by using a multimeter to see if the pressure switch is closing after the inducer motor spools up to speed. When the inducer motor is energized you should see about 24 VAC at one side of the pressure switch and if it closes, see that voltage on both sides of the pressure switch.

    Report back what you find.
    Fitzgoblin's Avatar
    Fitzgoblin Posts: 3, Reputation: 1
    New Member
    		  
    #3

    Jan 20, 2012, 07:32 PM
    Heil furnace
    Inducer comes on in 20 year old HEIL nothing else happens no intermittent spark or gas relay help
    Fitzgoblin's Avatar
    Fitzgoblin Posts: 3, Reputation: 1
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    #4

    Jan 20, 2012, 07:35 PM
    Hi seatttle pioneer I've bought parts from you before with great success the pressure switch is fine there doesn't seem to be incoming voltage to control module
    SeattlePioneer's Avatar
    SeattlePioneer Posts: 97, Reputation: 9
    Junior Member
    		  
    #5

    Jan 20, 2012, 08:06 PM
    Hmmm. You are sure you are not getting any 24 VAC voltage to the pressure switch? Please explain in detail how you are checking that. You should have the inducer motor running while testing.

    Check the voltage at the R and W terminals as well and tell me what you get.



    I did sell parts on Ebay a year ago--- did you buy parts from me there?
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