Rheem-Ruud 42-24196-84 SPST Air Pressure Switch 1.5" WC

The Rheem-Ruud 42-24196-84 Air Pressure Switch is one of the better air pressure switches which can be used in HVAC systems because of its quality and reliability. This pressure switch applied in managing the pressure of furnaces and heating devices in order to prevent pressure build-up that can harm the equipment. It has a SPST switch mechanism and in the event of a low pressure reading the switch turns the furnace on and off. The supply pressure was set at 1 psi which was accurate to the nearest 0.5”WC, the switch plays the major role of keeping the system safe from such dangers as, overheating or low pressure in the air. Common examples of this is its use in live and commercial furnaces.