Description
The Navien 20044452A is a genuine OEM exhaust vent collar gasket designed as a direct replacement for compatible Navien heating and hot water systems. Maintaining a proper seal at the exhaust vent collar is critical to safe, efficient operation — a compromised gasket can allow flue gases to escape, reducing system efficiency and creating potential safety hazards.
Product Overview
This factory-authorized replacement gasket restores the integrity of the exhaust vent collar connection, ensuring a tight, leak-free seal between the exhaust vent collar and the unit’s venting assembly. Using genuine Navien OEM parts guarantees proper fit and long-term reliability.
Key Features
- Genuine Navien OEM replacement part
- Designed for exhaust vent collar sealing applications
- Ensures a secure, leak-free connection at the exhaust vent
- Helps maintain safe flue gas containment
- Direct drop-in replacement for compatible Navien models
- Supports proper system efficiency and safe operation
Application
- Compatible with select Navien condensing boilers and tankless water heaters
- Intended for use at the exhaust vent collar connection point
- Recommended for installation by a qualified HVAC or plumbing technician
Why Choose Genuine OEM Parts?
Using genuine Navien replacement parts like the 20044452A ensures your system performs as designed. Aftermarket substitutes may not meet the precise dimensional or material tolerances required for safe exhaust sealing. Trust OEM quality to protect your investment and maintain warranty compliance.







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