| Product Type | : | Humidification |
The Aprilaire 4655 manual humidifier humidistat is a manual humidistat that has to be adjusted based on the outside temperature This will help prevent water from running down the windows This whole house humidistat is designed for low voltage (24 V) control of humidifiers in central heating and air conditioning systems to control humidification equipment Cool air near the windows cannot hold the humidity and water will condense on the glass In order to prevent this accumulation of condensation, the indoor humidity level is sacrificed by lowering the humidistat Wall or duct-mounted A template for the plenum cut out is included When installing this humidistat for duct-mount, locate at least six upstream of your humidifier, humidifier bypass ductwork or fresh air intake ductwork When an increase in relative humidity (RH) expands the nylon ribbon will open the control switch to stop the humidifier's operation When a decrease in relative humidity reverses the process, the control switch closes Two wire, SPST switch