Lennox 31G67 Wheel 321894-709 this furnace pressure switch will

this furnace pressure switch will prevent ignition if it detects an obstructed flue

This model includes a remote sensing element

utilizing an integrated control module to manage torque and speed

you must calculate the total equivalent length of the vent pipe based on the appliance's input firing rate and the number of elbows used

Lennox 31G67 Wheel 321894-709 this furnace pressure switch willThe 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