York S1-373-19801-403 Burner Assembly 318973-401 Automatic Reset: Eliminates nuisance service

Automatic Reset: Eliminates nuisance service calls by resetting the circuit once the plenum cools to 95°F

If your system requires a separate flame sensor (such as 5H0719450000)

and ball valves in demanding commercial HVACR environments

suitable for both residential and commercial air handlers

common issues in high-cycle environments

York S1-373-19801-403 Burner Assembly 318973-401 Automatic Reset: Eliminates nuisance serviceThe York S1 373 19801 403 Burner Assembly is a precision engineered OEM replacement part designed for high performance combustion in gas furnaces. This gas furnace burner assembly is constructed from durable stainless steel, ensuring it can withstand the thermal stresses of repeated firing cycles without warping or premature oxidation. As a critical Source1 burner upgrade, this assembly often comes with the igniter and flame sensor factory installed,