For smaller 325-3 units

the 100110713 burner is the official manufacturer-recommended replacement for the legacy part number 9005898205

The LED provides diagnostic fault codes for specific failures

this heat exchanger maximizes thermal transfer efficiency by increasing the surface area for combustion gases

Use a manometer to verify if the actual draft matches the Amana 20030204 set point

York S1-373-19802-150 Combustion Chamber 318518-761 For smaller 325-3 unitsThe York S1 373 19802 150 Combustion Chamber is a critical OEM replacement part designed for high heat containment in York and Coleman furnaces. This 14 inch by 14 inch chamber is engineered from high temperature resistant materials to withstand the intense thermal cycles of a gas fired furnace, ensuring the burner flame is contained safely within the fire box. For technicians, this combustion liner is essential for preventing flame rollout and