Description
The Navien 20018454A Exhaust Test Port Packing is a genuine OEM replacement component designed to maintain a secure, leak-free seal at the exhaust test port on compatible Navien condensing water heaters and boilers. Proper sealing at the exhaust test port is critical for safe combustion analysis, accurate flue gas testing, and overall system efficiency — making this packing an essential part of any preventive maintenance or service repair.
Product Overview
This factory-authorized packing component is engineered to Navien’s precise specifications, ensuring a proper fit and long-lasting performance. Whether you’re servicing a unit in the field or restoring a system after combustion testing, the 20018454A provides the reliable seal needed to keep exhaust gases contained and the system operating safely.
Key Features
- Genuine Navien OEM replacement part
- Designed for the exhaust test port on compatible Navien units
- Ensures a secure, leak-free seal after combustion or flue gas testing
- Maintains system safety and efficiency
- Direct factory-spec fit — no modifications required
- Ideal for routine maintenance, service calls, and system repairs
Compatibility
This exhaust test port packing is a Navien OEM part. Refer to your unit’s service manual or contact your Navien distributor to confirm compatibility with your specific model before installation.
Why Choose OEM Parts?
Using genuine Navien replacement parts helps preserve your unit’s warranty, ensures code-compliant repairs, and delivers the fit and performance that aftermarket alternatives may not match. The 20018454A is the manufacturer-recommended solution for exhaust test port sealing on Navien systems.
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