NAVIEN 20017212A O-Ring P20

The Navien Tankless Water Heaters 20017212A O-Ring P20 serves a essential function, though tiny; it is used for different Navien Tankless Water HeatersHVAC equipment models. It operates in the manner of a ring-shaped gasket that helps to form an airtight or watertight seal between two adjacent surfaces. Since this is an O-ring, this one has a P20 size, meaning that it is for specific spots within the HVAC system. Because of the ability to form a closed seal, the Navien Tankless Water Heaters20017212A O-Ring P20 serves the purpose of preventing refrigerant leakage. An O-ring can also fail and let water into the system which cause corrosion and forming of ice.