United Electric H400K-457 Pressure Switch 320074-702 Integrated Logic: The SPDT auxiliary

Integrated Logic: The SPDT auxiliary switch (suffix -500) enables easy integration for motor status feedback or auxiliary device control

8-inch pitch length make it a precise fit for specific drive systems

Replacing a faulty sensor with an authentic TS214G prevents erratic burner behavior and ensures the system maintains the desired HVAC discharge air temperature setpoint

Key Benefits: Universal Compatibility: Serves as the factory-authorized direct replacement for 42230-02A across all Reznor waste oil heater models

Its snapper-on design allows for tool-free installation

United Electric H400K-457 Pressure Switch 320074-702 Integrated Logic: The SPDT auxiliaryThe United Electric H400K 457 is a rugged, differential pressure switch designed for precision monitoring in HVACR and industrial process systems. Engineered with a Buna N diaphragm and an epoxy coated NEMA 4X aluminum enclosure, this unit provides high level protection against moisture and debris in demanding field environments. It features a broad adjustable pressure range of 0 to 30 PSID, allowing technicians to fine tune SPDT switch actuation