United Electric H400K-457 Pressure Switch 320074-702 Key Benefits: Universal Compatibility: Serves

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

this specific part is factory-configured for Liquid Propane (LP)

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

MOP Charge Protection: The ZP thermostatic charge provides a critical pressure limit to protect compressors from overloading during pull-down or high-load conditions

United Electric H400K-457 Pressure Switch 320074-702 Key Benefits: Universal Compatibility: ServesThe 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