Description
The Weil McLain 510-811-646 is a complete LP (Propane) Gas Pilot Replacement Kit designed to restore reliable ignition performance to compatible Weil McLain boilers and heating appliances. This all-in-one service kit eliminates the guesswork of sourcing individual components, delivering everything needed for a professional pilot system replacement in a single package.
Kit Includes
- Main Burner with Pilot Bracket
- Pilot Burner
- Thermocouple
Key Features & Benefits
- Engineered specifically for LP (Propane) gas applications
- OEM-quality components ensure proper fit and reliable operation
- Complete kit simplifies service calls — all critical pilot system parts included
- Pilot bracket pre-mounted to main burner for faster installation
- Thermocouple provides accurate flame sensing to safeguard against unlit pilot conditions
- Genuine Weil McLain replacement part for compatible boiler models
Application
Designed for use with compatible Weil McLain boilers and heating systems configured for LP (Propane) gas. Always verify compatibility with the specific boiler model and series before installation. Consult the equipment service manual and follow all applicable local codes and manufacturer guidelines during installation.
Why Choose OEM Replacement Parts?
Using genuine Weil McLain replacement components helps maintain system efficiency, warranty compliance, and long-term reliability. The 510-811-646 kit is the manufacturer-recommended solution for pilot system service on applicable LP propane-fired units.







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