Lennox 31G67 Wheel 321894-709 Optimized Combustion: Helps maintain the

Optimized Combustion: Helps maintain the proper flame characteristics and prevents over-firing or under-firing of the furnace sections

By utilizing advanced thermistor-based technology

ensuring ASHRAE 90

Is the 100109935 compatible with older 9004550215 models

Note that this 5-button manual switch is often a non-returnable item due to its specific electrical application

Lennox 31G67 Wheel 321894-709 Optimized Combustion: Helps maintain theThe Lennox 31G67 Blower Wheel is a precision engineered OEM replacement part designed for high performance air delivery in residential furnaces and light commercial air handlers. This centrifugal blower wheel features a 12 inch diameter and 9 inch width, specifically balanced to maintain system integrity and reduce mechanical stress on the blower motor. Constructed from heavy duty galvanized steel, it provides superior resistance to corrosion and