seems that you know about installing humidifiers in furnaces so maybe you can help me. I think the solenoid valve of the humidifier is not getting any power, so it does not open to l et the water in when the fan turns on . I can not figure out where the power comes from. Where is the humidifier hooked up to power? Is the power coming from the furnace? I know it needs 24 v. It is an Aprilaire mod. 440. .
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