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I am working on a ducane furnace with a SV9520H smart valve, there is no LED lit on the valve the furnace does nothing, checked and have 24 volts to the smart valve. Just want to be sure B4 I buy this valve any comments appreciated.
Curtis J
 

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I am working on a ducane furnace with a SV9520H smart valve, there is no LED lit on the valve the furnace does nothing, checked and have 24 volts to the smart valve. Just want to be sure B4 I buy this valve any comments appreciate.
Curtis J
check to see if you have 120 volt to valve ....door switch has to be pushed in...ben sr
 
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