York 028-12204-000 O-Ring 321702-401 installing this OEM Goodman furnace

installing this OEM Goodman furnace part ensures the manifold pressure and orifice alignment meet original equipment specifications

Technical Precision: Designated as a Size 5 diaphragm to ensure the correct pressure-to-stroke ratio in calibrated controllers

reducing energy waste and preventing localized water hammer

When replacing field-worn units

York 028-12204-000 O-Ring 321702-401 installing this OEM Goodman furnaceThe York 028 12204 000 O Ring is a critical sealing component engineered specifically for high pressure HVACR applications, particularly within York centrifugal chillers and large scale industrial cooling systems. This EPDM o ring features a 5 7 8 inch inside diameter (ID) designed to maintain airtight integrity under rigorous thermal cycling and high refrigerant pressure. As a direct S1 028 12204 000 replacement part, it ensures a precision fit for