Questions & Answers for: aprilaire humidistat

...Aprilaire 600 appears to be operating properly, however,the humidistat never registers above a "1". FYI-The unit is attached to the intake ductwork and the humidistat is also mounted on the intake ...

...humidistat is turned to off. Has Aprilaire had any problem with there humidistats? I've checked all connections. if the wire to the outdoor sensor runs close to high voltage wiring it may cause ...

connect two wires at humidifier without any wirng connected if works problem is in wiring or humidistat Aprilaire 700a has blue light on humidistat but no numerical display. Operates only in test mode

Aprilaire 560 will only click and flow water when turned to "test" does not work in any other settings? Humidity must be hi enough in the house or Humidistat is not working. Do you any way to check ...

...Aprilaire 560 and it isn't working. I was just troubleshooting it and found that by jumping the two screws on the manual humidistat it started to work. Does this mean that the humidistat is bad? The ...

Aprilaire 600 problem This unit is 4 years old. All maintenance performed yearly. This year, no water from solenoid. The humidstat is a '56'. Won't work in 'test' position. Outside sensor is hooked up

...aprilaire 600A I have hooked it all up but for some reason the number display doesnt show anything. The controls all light up, but no display. Also for some reason no water is coming out. Thank you ...

Aprilaire 550A humidifier was working perfect last year. At the beginning of the summer I turned off the humidistat and shut off the water. I turned them on yesterday for the winter but the humidistat

...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 the #4655 ...