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The Lennox 67K30 Pressure Switch is a critical safety and operational component designed for negative pressure sensing in high-efficiency HVAC systems
this switch provides the reliable mechanical feedback required by the defrost control board to initiate and terminate the defrost sequence
26 cm3/rev)
and GCS20R series units
Lennox 67M61 Inducer Assembly THPU32HP7Y The Lennox 67K30 Pressure SwitchThe Lennox 67M61 Inducer Assembly is a critical OEM replacement for maintaining the combustion sequence in high efficiency gas furnaces. As a veteran grade draft inducer assembly, this 1 70 HP unit is purpose built to purge the heat exchanger and establish the negative pressure required to close the furnace pressure switch. Operating at 2500 RPM with a 220 240V, 50Hz configuration, this Fasco manufactured combustion air blower ensures the safe venting