Cleveland Controls DFS-231-121 Switch Els PW 17895 working with both general and

working with both general and high close-off 2-position actuators

This programmable timer relay supports multiple operating modes

Using the OEM 1-pole version preserves the intended circuit path

Key Benefits for Technicians: Precision Balanced: Minimized vibration reduces mechanical stress on the forced draft blower motor and bearings

000 AFC protected rating indicate industrial-grade reliability for demanding cycle rates

Cleveland Controls DFS-231-121 Switch Els PW 17895 working with both general andThe 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