United Electric H400K-456 Pressure Switch 328140-751 While the kit provides multiple

While the kit provides multiple PSI spring ranges

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

preventing excessive pressure spikes

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

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 While the kit provides multipleThe 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