Rheem-Ruud 42-101955-02 SPST Pressure Switch Assembly 0.40" WC

The Rheem-Ruud 42-101955-02 SPST Pressure Switch Assembly 0.40” WC is an essential part of HVAC systems, which is used to control and monitor pressure in gas furnaces and heating systems. It provides safe operation as it detects the fluctuations in the air pressure and turns the system on or off depending on the situation. The pressure switch ensures that system operates and possible damage are avoided, providing a secure fail-safe. Widely used in gas-powered HVAC equipment, it increases energy efficiency and the system’s durability. keeping the pressure levels at optimal levels, it provides smooth furnace operation, minimizes damage, and is used to create comfort and safety in residential and commercial settings.