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providing reliable 24V power step-down
Key Benefits for Technicians: Precision Balanced: Minimized vibration reduces mechanical stress on the forced draft blower motor and bearings
Corrosion Resistance: Engineered to endure harsh outdoor exposure and moisture
Ensures safe venting with a factory-calibrated 1
A trip is usually triggered by a cracked heat exchanger
Cleveland Controls DFS-231-121 Switch Els PW 17895 providing reliable 24V power step-downThe Cleveland Controls DFS 231 121 is a fixed setpoint diaphragm differential pressure switch engineered for precision performance in HVAC pressure monitoring and combustion air applications. This SPDT air flow switch is factory calibrated to actuate on a pressure rise at 0. 05" . 02" w. c., providing a reliable safety interlock for systems requiring strict static pressure thresholds. Designed for versatility, the unit supports line voltage ranges