Barber Colman Duct 15 to 95 % RH Controller Humidistat

These controllers provide low or line voltage on-off single stage control of humidifiers, dehumidifiers, valves, solenoid valves, compressors, relays, etc. Features SPDT switching for humidification/dehumidification. Agency listed room and duct units. Long life nylon elements. Standard locking feature.