this model is the official updated version for the 25AUB-1 1/4 and 25AUB-Z3-1 1/4 series

Industrial Build Quality: High-tolerance internal relays designed for long-cycle gas heating systems and furnace repair duty

Can the DP2040B5003 replace a 30-amp contactor

Enhanced Filtration Efficiency: Minimizes bypass by providing consistent pressure against the filter gasket and rack

the internal bimetal disc may be fatigued or damaged

York S1-373-19801-403 Burner Assembly Refrigerant this model is the officialThe 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,