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Designed to create an airtight seal between the draft inducer blower assembly and the heat exchanger collector box
delivering digital accuracy that field-wired universal sensors cannot match
the high gas limit switch prevents unsafe operation by interrupting the burner circuit if gas pressure exceeds the calibrated limit
The round start capacitor configuration allows for a streamlined fit within crowded electrical boxes
Reliable Cold Weather Starts: Essential for outdoor condensers and rooftop units exposed to low ambient temperatures to prevent high-torque startups
Cleveland Controls DFS-231-121 Switch Els PW 17895 Designed to create an airtightThe 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
