Laars Heating Systems RE0240900 Pressure Switch SPDT 0.75" WC

The Laars Heating Systems RE0240900 Pressure Switch is essential in HVAC systems such as boilers and hydronic heating systems. Serving as a check valve for the system pressure, this switch helps to prevent any unstable pressure changes that may pose a considerable danger cause detriment to the equipment and pose a threat to safety. This specific model is an SPDT switch that has been set to turn on at 0.75 ”water column pressure. When the system pressure rises beyond this level the switch immediately sends a signal to the control system.