Cleveland Controls AFS-222-121 SPDT Air Pressure Switch W/Access 0.05"-12" WC

The Cleveland Controls AFS-222-121 Air Pressure Switch W/Access is an essential component of HVAC systems. It uses an SPDT switch which turns on or off a circuit depending on the air pressure that has been measured. Applicable to many HVAC systems such as fan control, damper operation, and alarm, this switch has a pressure range of 0.05"-12” WC. Through proper detection of changes in air pressure, the Cleveland Controls Air Pressure Switch W/Access increases system efficiency improves air quality, and guarantees optimum performance of the equipment.