Johnson Controls AFS-222 Air Flow Switch Adjustable 0.05"-12" 1/4" OD

Johnson Controls AFS-222 Air Flow Switch Adjustable is highly Essential component in HVAC systems used to control air flow and performance. This occurs by measuring fluctuations in air pressure in the ducts, and turning on or off systems depending on the set parameters. Used in HVAC systems, this effectively provides better control over the flow of air, and prevents cases where things get too hot or there is inadequate supply of fresh air. Other features include its compactness with a 1/4” OD for connection and an adjustable pressure range of 0.05” WC to 12” WC and maximum pressure of 13.85” WC.