Rheem 42-105601-25 SPST Pressure Switch 0.35" Water Column

The Rheem-Ruud 42-105601-25 SPST Pressure Switch is an accurate pressure control tool for use in HVAC systems. This SPST pressure switch is designed for a pressure of 0. 35” of water column, which is perfectly suitable for use in applications that demand a high degree of pressure regulation. It is compact which enables it to fit in different parts of HVAC equipment. It works by switching on or off the electrical circuit depending on the pressure variations within the system so as to make sure that the equipment is working under the right pressure. This pressure switch is ideal for heating and cooling systems such as furnaces and air handlers in that it helps to protect them from harm due to high or low pressure.