United Electric H400K-456 Pressure Switch 328140-751 this detector features a patented

this detector features a patented interconnect capability that allows up to 50 units to be linked for coordinated multi-fan shutdown operations

facilitating optimal control valve performance and longevity in high-cycle applications

Common Installation Questions Will this blower resolve a pressure switch lockout

making it a staple for contractors maintaining legacy Honeywell installations

it is best practice for contractors to test or replace the condensate overflow switch during pan replacement to ensure the system shuts down if a downstream blockage occurs

United Electric H400K-456 Pressure Switch 328140-751 this detector features a patentedThe United Electric H400K 456 Pressure Switch is a high performance differential pressure switch designed for critical monitoring in industrial gas production, energy generation, and water treatment systems. This rugged, field adjustable control features a setpoint range of 2 to 20 PSID (+ 2 to 20" WC depending on calibration), providing precise threshold protection. Engineered with a durable Buna N diaphragm and an aluminum pressure connection, it