Lochinvar & A.O. Smith Cork Gasket — Part 100338931
The Lochinvar & A.O. Smith 100338931 is an OEM cork gasket designed as a direct replacement part for compatible Lochinvar and A.O. Smith water heating systems. Cork gaskets provide a dependable, compressible seal that helps prevent leaks and maintains system integrity at critical connection points.
Key Features
- OEM replacement cork gasket engineered for Lochinvar and A.O. Smith equipment
- Cork material offers natural compressibility for a reliable, leak-resistant seal
- Designed for precise fit on compatible water heater and boiler applications
- Helps maintain system efficiency by preventing fluid or gas bypass at sealed joints
- Direct OEM part number 100338931 ensures correct fitment
Application
This cork gasket is intended for use in Lochinvar and A.O. Smith water heaters and hydronic heating systems. Always verify compatibility with your specific model before installation. For best results, replace gaskets during routine maintenance or whenever signs of wear, compression set, or leakage are observed.
Why Choose OEM Parts?
Using genuine OEM replacement parts like the Lochinvar & A.O. Smith 100338931 ensures proper fit, reliable performance, and helps protect your equipment warranty. Avoid costly downtime and callbacks by specifying the correct part every time.








