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Heater Valve Solenoid Question
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11-25-2012, 11:34 AM
Jim H
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Join Date: Aug 2000
Location: Holland, MI
Posts: 1,316
I think the heater solenoid (monovalve) is a fail ON device, so removing power opens the valve, and applying power closes it.
That way if the power fails, you will have HEAT!
Jim H
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