the valve will release small amounts of water to protect the heater's structural integrity

the P100 series controls are factory-calibrated and non-adjustable to prevent tampering and ensure consistent high-limit protection

providing versatile application across various air handler and electric furnace configurations

allowing technicians to activate the device with low-voltage signals from thermostats

Variable Voltage Application: Supports both 120V and 240V electrical leads

Nordyne 632548R Pressure Switch 322838-753 the valve will release smallEnsure your service call is completed correctly the first time with the Nordyne 632548R Pressure Switch. This genuine OEM replacement is specifically engineered for 2 stage gas furnaces and HVAC systems, serving as the factory authorized successor to part number 632548. Designed to monitor the vacuum created by the inducer motor, this switch operates within a precise sensing range of 0. 80" WC to 0. 50" WC, facilitating safe flue gas venting and