Lennox 74W55 Blower Assembly 320720-756 provided the correct burner orifices

provided the correct burner orifices and gas valve adjustments are made according to the manufacturer's conversion instructions

Common Questions: Which air handlers are compatible with this 15KW kit

this high temperature control valve is also compatible with up to 60% glycol solutions

The station arrives fully assembled with 3/8-inch O

provided the integrity of the insulation and the sensing tip remains intact

Lennox 74W55 Blower Assembly 320720-756 provided the correct burner orificesThe Lennox 74W55 Combustion Blower Assembly is a high performance draft inducer specifically designed for modern high efficiency furnaces. Also referenced under part numbers 74W5501 and LB 94724AA, this assembly is a critical component for maintaining the correct fuel to air ratio during the combustion cycle. Operating at 120 Volts and 60 Hz, this 1 40 HP motor delivers 3250 RPM to effectively pull flue gases through the heat exchanger, ensuring safe