depot pull
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which is identical to part number 46K1801
This model features a 5% input at low calibration
provided the outlet pressure spring range (8-12" w
This OP420 CL300 model is calibrated to open the circuit (cutout) at 425 PSI and close the circuit (cut-in) once pressure drops to 325 PSI
always replace an M/R limit switch with the exact OEM manual-reset part number
Lennox 52M40 Pressure Switch Els PW 17895 which is identical to partAs a field tested Lennox 52M40 Pressure Switch, this genuine OEM component is a critical safety interface for residential and commercial gas furnaces. Engineered for precise pneumatic monitoring, this SPST furnace pressure switch features a single pole single throw configuration designed to verify inducer motor performance. The integrated 1 4" barb connection allows for a secure, airtight fit with standard pressure tubing, ensuring the system