Description
The Lochinvar & A.O. Smith 100187872 is an OEM natural gas valve and venturi assembly designed as a direct replacement for compatible Lochinvar and A.O. Smith water heating and boiler equipment. This integrated assembly combines the gas valve and venturi into a single, precision-engineered component to ensure accurate gas metering, proper air-fuel mixing, and consistent combustion performance.
Product Overview
Engineered to restore original equipment performance, this natural gas valve/venturi assembly is built to Lochinvar and A.O. Smith factory specifications. Replacing a worn or faulty gas valve and venturi assembly with a genuine OEM part helps maintain safe, efficient, and reliable operation of your heating system.
Key Features
- OEM replacement part for Lochinvar and A.O. Smith heating equipment
- Integrated natural gas valve and venturi assembly in a single unit
- Engineered for precise air-fuel mixture and efficient combustion
- Designed for direct, drop-in replacement to minimize installation time
- Manufactured to original factory specifications for reliable, long-term performance
- Compatible with natural gas (NAT GAS) fuel supply systems
Application
- Designed for use with compatible Lochinvar and A.O. Smith water heaters and boilers
- Suitable for residential and light commercial heating applications
- Intended for natural gas fuel systems
Installation Notes
This assembly should be installed by a qualified HVAC or plumbing technician in accordance with local codes and the manufacturer’s service documentation. Always verify compatibility with your specific equipment model number before installation.







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