OEM Direct Fit: Eliminates the need for bracket modifications or lead wire splicing during installation

allowing contractors to address noisy or failed blower sections in a single visit

37" WC setpoint is accurate to factory specs

this part serves as a direct drop-in replacement

ensuring seamless drop-in replacement without piping modifications

United Electric H400K-457 Pressure Switch 319825-402 OEM Direct Fit: Eliminates theThe 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