Description
The York S1-02435271000 Air pressure switch is mainly used in the HVAC systems. And it is a SPNO switch which indicates that it is generally in open position until a particular pressure is applied on it. This switch is designed to perform an action if the pressure in the HVAC system is less than -0.50” WC. This pressure switch is used in many HVAC system applications to fulfill a essential function. For example, it can be used in fan control systems and where the air pressure in the ducts is low then the fan should not run.
