York S1-373-06660-000 Tube 320788-704 the 2864606S is the genuine

the 2864606S is the genuine OEM secondary heat exchanger for specific 90%+ AFUE models

Optimized Pilot Flow: Features a dedicated pilot port for stable standing or intermittent pilot flame maintenance

maintaining proper combustion performance depends on the swirl-stabilized flame pattern this part provides

offering improved thermal stability and reduced EMI interference

York S1-373-06660-000 Tube 320788-704 the 2864606S is the genuineFor service technicians maintaining York and Johnson Controls heating systems, the York S1 373 06660 000 Gas Pilot Tube is the direct OEM solution for restoring reliable ignition. This GV HW tube assembly is precision engineered to transport fuel from the gas valve to the pilot burner, ensuring a stable flame for proper thermocouple excitation. Designed specifically for compatibility with the D1HG048N06025EBA model and broader GV HW furnace platforms,