Description
Weil McLain 510-811-097 LP to Natural Gas Conversion Kit for CGS Series Boilers
The Weil McLain 510-811-097 is an OEM-designed LP to Natural Gas (NAT) Conversion Kit engineered specifically for Weil McLain CGS Series boilers (models 3 through 6). Whether you’re transitioning a boiler installation from propane to a natural gas supply, this kit provides all the necessary components to complete the fuel conversion accurately and safely.
Key Features
- Converts CGS Series boilers (models 3–6) from Liquid Propane (LP) to Natural Gas (NAT)
- OEM Weil McLain part — engineered for precise fit and reliable performance
- Includes components required to complete the LP-to-NAT fuel conversion
- Helps maintain boiler efficiency and safe operation after fuel source change
- Designed for use by qualified HVAC and hydronic heating professionals
Compatibility
- Compatible with Weil McLain CGS Series Gas Boilers, Models 3–6
- Fuel conversion: Liquid Propane (LP) to Natural Gas (NAT)
Why Choose OEM Conversion Kits?
Using a genuine Weil McLain conversion kit ensures that your boiler operates within manufacturer specifications after a fuel changeover. Non-OEM parts may compromise combustion efficiency, safety controls, and warranty coverage. The 510-811-097 is the factory-approved solution for CGS3-6 fuel conversions.
Installation Note
This conversion kit should be installed by a licensed HVAC technician or qualified heating professional in accordance with all applicable local codes and the Weil McLain installation and service instructions for the CGS Series boiler.









