Description
The Navien 20006947A is a genuine OEM EPDM O-ring designed as a precision replacement seal for compatible Navien tankless water heaters and boiler systems. Manufactured to exact factory tolerances, this O-ring ensures a reliable, leak-free connection at critical service points within the unit.
Product Overview
This EPDM (Ethylene Propylene Diene Monomer) O-ring is engineered for long-lasting performance in hot water applications. EPDM is widely recognized for its excellent resistance to heat, steam, and water — making it an ideal sealing material for demanding hydronic and domestic hot water environments. The NSF certification confirms this component meets rigorous standards for use in potable water systems.
Key Features
- Genuine Navien OEM replacement O-ring
- EPDM material construction for superior heat and water resistance
- NSF certified — safe for use in potable water applications
- P18 profile designation for precise fitment
- Compatible with Navien EWK2 / E7518 series applications
- Maintains a secure, leak-free seal at service connection points
- Helps restore original equipment performance and reliability
Application
This O-ring is intended for use during routine maintenance, service, or repair of Navien tankless water heaters and condensing boiler systems. Always replace O-rings during component servicing to prevent leaks and ensure continued system efficiency. Refer to your Navien service manual or consult a licensed technician to confirm compatibility with your specific model.
Why Choose Genuine Navien OEM Parts?
Using genuine OEM replacement parts like the Navien 20006947A ensures proper fit, function, and longevity. Aftermarket substitutes may not meet the same dimensional or material standards, potentially leading to premature failure or system leaks. Trust factory-specified components to keep your Navien system operating at peak performance.
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