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    jonwilliam's Avatar
    jonwilliam Posts: 31, Reputation: 1
    Junior Member
    		  
    #1

    Mar 23, 2009, 06:55 PM
    Furnace ignition module 120VAc
    Hi gents

    Wondering if you would have any idea of the difference between the ignition module 120Vac and 24 Vac . When you say 120 Vac that means the burner assembly might be HSI and in that case the module should be 120 or that means that is a different technology or what . Appreciate any comments .
    Tks
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Mar 23, 2009, 07:04 PM

    way to many variables here. Need to know the furnace make and model. Ignition modules usually have 24 and 120 terminals.

    Please start from the beginning. What is the problem you are trying to solve. Why do you need to know about the ig mod. Do you need to replace yours? PLease give more info, and we will try to help.
    jonwilliam's Avatar
    jonwilliam Posts: 31, Reputation: 1
    Junior Member
    		  
    #3

    Mar 25, 2009, 06:29 PM
    Quote Originally Posted by mygirlsdad77 View Post
    way to many variables here. Need to know the furnace make and model. Ignition modules usually have 24 and 120 terminals.

    Please start from the beginning. What is the problem you are trying to solve. Why do you need to know about the ig mod. do you need to replace yours? PLease give more info, and we will try to help.
    Tks for response . Just want to upgrade my knowledge why some furnaces use 120 vac module and the other 24 vac modules . What is the reason behind that and tks
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #4

    Mar 26, 2009, 03:45 PM

    Just designers ideas. Everyone thinks different, so most systems are different in their own ways. Its kind of like a control board, you won't find many that interchange from brand to brand( of furnace).
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