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Posted by Dr. Hardcrab on January 17, 2008, 6:35 pm
>I am not getting water flow through the solenoid on my GeneralAire
> 1040 power humidifer. I assume this means that either the solenoid or
> the humidistat are responsible. (I remember a heating/A/C friend of
> mine once telling me that humidistats don't have a long lifespan.) I
> started to unscrew the water inlet side and started getting dripping,
> so I am assuming that the water flow is OK. (I don't know for sure if
> it is at the right pressure, though.)
>
> How can I determine whether the solenoid needs to be replaced (or
> cleaned) or if it is the humidistat?
>
> I have a multimeter and so can do any voltage/amp/continuity tests,
> but don't know what to look for. (E.g., I don't know if there is
> supposed to be continuity through the solenoid only when it is on or
> off or both.) The humidistat is just a break in a circuit that
> includes the solenoid and the furnace (blower?).
>
> Any help is much appreciated
Gotta be the thermostat....
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