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Precision Thermal Calibration: Factory-set 150°F open and 130°F close differentials prevent heat exchanger fatigue and ensure consistent safety cycling
and baseboard units
Precise Thermal Control: Calibrated for 180°F cut-out and 160°F cut-in to maintain strict furnace safety parameters
Durable Construction: Features a nickel-plated bulb to withstand scaling and chemical exposure in commercial kitchens
Lennox 99K57 Inducer Assembly THPU32HP7Y Precision Thermal Calibration: Factory-set 150°FThe Lennox 99K57 Inducer Assembly is a critical OEM replacement component designed to maintain the mechanical integrity and venting safety of high efficiency gas furnaces. This complete inducer assembly features a 1 10 HP, 208 230V PSC motor engineered for a 3200 RPM operating speed with counter clockwise rotation (CCWLE). As a veteran tech knows, the 99K57 draft inducer is essential for clearing the heat exchanger of combustion gases and proving the
