Resideo S8600M3001/B Ignition Module 321702-401 or a failing primary operating

or a failing primary operating control

ensuring seamless integration with existing high-voltage harnesses

Its TrueSeal™ Damper technology significantly reduces air leakage by up to 50%

Whether you are addressing a furnace short cycling issue or a complete system lockout

Using a bushing or forcing the fitment on a different shaft size is not recommended as it compromises the balance and safety of the blower assembly

Resideo S8600M3001/B Ignition Module 321702-401 or a failing primary operatingThe Resideo S8600M3001 B is a field proven intermittent pilot ignition module designed for 24 VAC gas fired atmospheric burners. This unit is the primary direct replacement for 412 101 000, delivering consistent continuous retry sequencing to ensure system uptime in residential and light commercial furnaces or boilers. Engineered for single rod (local) flame sensing, this module integrates an internal high voltage spark generator and flame