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Aprilaire 550 humidfier not getting water - Aprilaire 600 Humidifier

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Is there 24 volts coming from the humidastat to the solinoid?

Posted on Dec 08, 2008


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is the water on ? if it is you will need to use a multimeter to test to see if you have 120 volts at the transformer, 24 volts from the transformer to the solenoid, make sure you have the low voltage wiring completing a circuit from the transformer, to the solenoid, from the solenoid to the humidistat, humidistat to the transformer again, make sure your transformer is hooked in to only receive power when you are calling for heat, thats about it, hope that helped ya, and thanks for your question, let us know if that helped, thanks again,

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1/4" flexible copper pipe. Tap into your cold water line using the included saddle valve (pierces the pipe), attach the 1/4" flexible copper pipe to the saddle valve on the cold water pipe and the solenoid valve on humidifier unit using the included compression fittings. Tada!

Dec 10, 2008 | Aprilaire 550 Humidifier

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No water flow to the humidifier

Turn that pin to the left and that will open the valve to allow water to flow through it. If it starts to leak the all you need to do is tighten the nut that were the water is coming out with a wrench, be carefull it wont take much to tighten.

Dec 02, 2008 | Aprilaire 600 Humidifier

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Aprilaire 550 humidifier

Did you clean the orfice ? It is located on bottom of solenoid. It is plastic with a very small hole.The hole gets plugged and you can clean it or buy a nw one for 50 cents.

Oct 18, 2008 | Aprilaire 550 Humidifier

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