I need some help wiring this humidifier. My solenoid is powered off of the furnace disconnect switch. My furnace is a Carrier, 1998 vintage. My humidistat is the manual one. It only has two terminals. I’m not using the outdoor humidistat or humidity control from the thermostat. I just want it to...

where should I install the bypass duct and humidistat of a whole house humidifier if the humidifier is installed on the return line? I have the Honeywell Model # HE120A1010 Drum whole house humidifier. And I have 3 zones in the house.

I am selling my house and the buyer wants me to install a humidistat to automatically control an existing exhaust fan within a crawl space. Can anyone recommend a humidistat for this application. I was hoping for something that would install in a one gange switch box?

In August I purchased my first house, and though it has a humidistat next to the thermostat at some point the actual humidifier was removed. The wires from the humidistat still go into the basement but would need to be spliced as they were cut too short. There is one red and one white wire. The...

Hi, I recently bought a home that had a mold issue in a small crawlspace under the office of our home. When the issue was addressed, a humidistat fan was installed in the crawlspace. However, it runs almost always. The crawl space is bone dry right now, and the current level of the humidistat is...