Question about General Filters 1042-LH Humidifier

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Frequent knocking noise coming from General Aire 1042 LH humidifier

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  • Robert Mar 17, 2011

    Does it sound like it is coming from the solenoid or supply water line?

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Hello, it depends where the sound is coming from,if it's in the supply water line it could be caused by water hamer or the inlet side of the solenoid valve might be clogged up with sediment. Water hammer is when the solenoid closes under high water pressure and a water hammer arresters should be installed. If the sound is coming directly from the solenoid valve and is more of a chattering sound then there is a loose low voltage wire or the solenoid is going bad. If you disconnect the power to the solenoid and the chattering stops then solenoid must be replaced as it is the cause of the noise.

Posted on Mar 17, 2011

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I have a General Filters 1042-LH Humidifier in my home what setting should it be he choice low/ med /high live in Michigan


Sorry to read about your problem, I hope this helps you out.

OUTSIDE TEMPERATURE RECOMMENDED SETTING
-20F -29C 15%
-10F -23C 20%
0F -18C 25%
+10F -29C 30%
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+30F - 1C 40%

I tried to help you. Please help me and Rate/Vote on my response, thanks and good luck

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