Reznor 203932 SPDT Pressure Switch 0.25" WC

The Reznor 203932 SPDT Pressure Switch is used in HVAC systems that are used in measuring and regulating the pressure. It has the Single Pole Double Throw (SPDT) switch that turns on or off the equipment depending on the pressure level, in this case 0.25 inches of water column. This is used in gas fired heaters, air handlers, and other HVAC applications to make safe operation. The advantages of this include increasing the durability of the system, protection from pressure fluctuations, and increasing the efficiency of the system by regulating pressure in the system.