Lennox 65W69 Control Board Kit 321142-301 The Resideo Q4100C9048 Ignitor is

The Resideo Q4100C9048 Ignitor is a heavy-duty 120V silicon carbide hot surface igniter engineered for professional-grade field service replacement in residential and commercial gas-fired appliances

The 4-speed taps allow for granular control of CFM

this is a direct-mount control

Built with a robust zinc body and a balanced valve design

Lennox 65W69 Control Board Kit 321142-301 The Resideo Q4100C9048 Ignitor isThe Lennox 65W69 Control Board Kit is the primary ignition control replacement for high efficiency G71MPP Series gas furnaces. Replacing legacy part numbers like 605341 01 and 101905 01, this OEM kit utilizes advanced microprocessor technology to manage the critical combustion sequence, including igniter warm up, gas valve timing, and flame sensing. As a veteran technician knows, troubleshooting furnace error codes often points to the integrated