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Its precision-wound resistance wire and durable housing are built to withstand high-temperature operation
the contactor requires replacement
always verify the specific orifice and internal spring requirements before attempting any fuel conversion
the circuit closes again once the ambient temperature drops to 170°F
Lennox 75M20 Pressure Switch 326058-757 Its precision-wound resistance wire andThe Lennox 75M20 Pressure Switch is a critical safety component engineered for high altitude gas furnace applications, specifically calibrated for elevations between 4501 and 7500 feet. This OEM Lennox replacement part, also identified as 75M2001, monitors the inducer motor's static pressure to ensure the combustion air system is clear and operational before allowing the ignition sequence to initiate. With a precise fixed set point of 0. 75" WC (water