When replacing a water heater burner assembly

and GDT series

this variable speed furnace motor facilitates precise airflow management across a broad operating range of 300 to 1300 RPM

if the vacuum is sufficient but the switch remains open

York S1-TP380650 Ignitor L99H008 When replacing a water heaterThe York S1 TP380650 Ignitor is a critical OEM replacement part designed for precision gas furnace ignition in York, Coleman, and Luxaire residential heating systems. Engineering as a hot surface ignitor, this component reaches the necessary incandescent temperatures to safely light gas burners, ensuring efficient combustion cycles. Whether you are performing a seasonal tune up or addressing a "no heat" service call, this 120V furnace ignitor provides