Description
The Lochinvar & A.O. Smith 100233643 is a genuine OEM replacement gasket designed to maintain a secure, leak-free seal in compatible Lochinvar and A.O. Smith heating and water heating equipment. Using the correct factory-specified gasket is essential for maintaining system integrity, preventing fluid or combustion gas leaks, and ensuring safe, efficient operation.
Product Overview
This replacement gasket is engineered to meet the original manufacturer’s specifications for fit and function. Proper gasket maintenance is a critical part of any preventive service routine — a worn, cracked, or improperly seated gasket can lead to reduced efficiency, safety hazards, and costly downtime. Replacing with the OEM part ensures a proper seal and extends the service life of your equipment.
Key Features
- Genuine OEM replacement gasket for Lochinvar and A.O. Smith equipment
- Engineered to factory specifications for precise fit and reliable sealing
- Helps prevent fluid or gas leaks that can compromise system performance
- Supports safe and efficient operation of compatible heating systems
- Ideal for scheduled maintenance or emergency replacement
Compatibility
- Designed for use with compatible Lochinvar and A.O. Smith heating and water heating systems
- Always verify compatibility with your specific model before installation
Why Choose OEM Parts?
OEM replacement parts like the 100233643 gasket are manufactured to the same standards as the original components installed at the factory. This ensures a proper fit, reliable performance, and continued warranty compliance — giving you confidence in every repair.







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