The integrated control module manages the variable speed blower functionality

and 12" AC models within the 80 and 90 Series

effectively minimizing system lag by amplifying the air volume available for dampers or valves

Robust Construction: Features high-grade brass and stainless steel internals to resist corrosion and ensure long-term mechanical reliability in demanding environments

preventing water hammer and energy loss

Lennox 71M48 Hardware Kit 320734-701 The integrated control module managesWhen you are out on a service call and need to restore a system to factory spec performance, the Lennox 71M48 Blower Hardware Kit (also identified as LB 107597A) is the OEM standard solution. This comprehensive assembly is engineered specifically for Lennox HVAC systems, including high efficiency furnaces and air handlers. As a technician, you know that using substitute fasteners or generic brackets can lead to vibration issues or improper blower