Questions & Answers for: replace humidistat

...the humidistat is working. If it registers zero through the entire range, it's broken and must be replaced. Dehumidifier Overflow Cutoff Switch Test- Using a volt-ohm meter, you can tell if the ...

...solinoid (part on the bottom) to install. Anyone else having this problem and know where to find replacement parts Check your humidistat for proper operation, when full off,, you should get ...

...replace humidistat? Replace with timer? If so, what kind. Local Lowe's has only lamp timers. This is NOT the CT87B Round as listed. It's a rectangular wall mount with no visible model number what i ...

Solenoid won't open--voltage drops when connected to humidistat Our Aprilaire 600 humidifier's solenoid doesn't open, so no water ever goes through. I think I've isolated the problem to the solenoid ...

...of the wires at the valve (if accessable). If the valve doesn't close, replace valve. Otherwise replace humidistrat. Happened to me as well. Changed my humidistat and clicking stopped

...replace. Is it the solenoid or the humidistat? Thanks Joe Neither, even if the solenoid or humidistat stick, it should always drain properly. Is the unit mounted on the cold air return duct or the ...

replace the tap valve, make sure the water is turned off. If no click, it could be the humidistat or there is no power to the unit. If the humidistat is bad, you won't hear any click and no power will

have either a bad humidistat or solenoid valve, disconnect the wires from the humidistat if this turns off the humidifier than replace the humidistat. If not the solenid valve will need to be replaced

...replace the Humidistat, and that should fix the on/off cycling, however a new humidistat is included with a new unit, which again is more cost effective. They are easy enough to replace as a do it ...

I have an AprilAire 550A with bad humidistat. Can't find replacement. Got a 550 but wiring not right. Not sure what to do! I have an AprilAire 550A with a broken humidistat. I thought I saw that ...