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System Protection: Acts as a primary refrigerant safety switch to prevent compressor overheating and liquid slugging during low-side pressure drops
ensuring that the flue gases are properly venting before the ignition sequence initiates
Why is the Class FT insulation rating important
Technicians utilize this Ranco pressure control hose for connecting pressure switches
Lennox 18K44 Limit Switch Els PW 17895 System Protection: Acts as aThe Lennox 18K44 Limit Switch is a high reliability OEM replacement normally closed safety control designed for precise thermal management in residential gas furnaces and air handlers. This auto reset limit switch is engineered to maintain system integrity by monitoring internal plenum temperatures. It is calibrated to an open on rise (cut out) setpoint of 280F to prevent thermal overload and a close on fall (cut in) setpoint of 250F for automatic