The Resideo Q3451B1004/B Natural Gas Pilot Assembly is a high-performance intermittent pilot burner designed for precise flame ignition and reliable sensing in S8600 series ignition systems

protecting sensitive internal electronics and housing

monitors the combustion process to ensure a stable pilot or burner flame is present before allowing the gas valve to remain open

This typically indicates an obstruction in the venting system

Trane MOT20940 Motor 323613-751 The Resideo Q3451B1004/B Natural GasThe Trane MOT20940 Motor is a high performance 1 HP constant torque motor engineered for heavy duty commercial and residential HVAC applications. Operating at 208 230V and compatible with both 50 and 60 Hz frequencies, this direct drive blower motor features a robust 48 frame housing and a clockwise (CW) rotation orientation. As a specialized ECM replacement motor, it delivers consistent airflow across varying static pressures, ensuring the blower