Description
The Navien 20003022A is an OEM replacement EPDM O-ring engineered to maintain leak-free seals in Navien tankless water heaters and condensing boilers. Manufactured to Navien’s precise tolerances, this black O-ring delivers reliable performance in demanding hydronic and domestic hot water applications.
Key Features
- OEM Navien replacement part — ensures proper fit and function
- EPDM (Ethylene Propylene Diene Monomer) elastomer construction for excellent resistance to hot water, steam, and common hydronic system fluids
- 18.8 mm inner diameter x 2.6 mm cross-section for precise sealing
- 70 Shore A hardness rating for optimal compression and long-term seal integrity
- Black color for easy identification during service
- Designed for use in Navien condensing tankless water heaters and boiler systems
Product Specifications
- Part Number: 20003022A
- Material: EPDM
- Inner Diameter: 18.8 mm
- Cross-Section Diameter: 2.6 mm
- Hardness: 70 Shore A
- Color: Black
- Brand: Navien (OEM)
Application
This O-ring is a genuine Navien OEM component, making it the recommended choice for technicians servicing Navien equipment. EPDM material provides superior resistance to heat, ozone, and water — critical properties for sealing connections in high-efficiency water heating systems. Always use OEM-specified seals to maintain system warranty and performance standards.
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