Direct OEM Compatibility: Engineered as a drop-in replacement for the Nordyne 667294R part number

protecting sensitive components like the thermostatic expansion valve (TEV) from freeze-ups or corrosion

including the 2C

Direct-fit OEM replacement design reduces field installation time and ensures correct alignment within the burner assembly

Cleveland Controls DFS-231-121 Switch Els PW 17895 Direct OEM Compatibility: Engineered asThe 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