Description
The Weil McLain 511-330-221 is an OEM natural gas pilot burner assembly engineered to deliver dependable, consistent ignition performance in Weil McLain heating systems. Designed as a direct replacement component, this pilot burner assembly helps restore proper system operation and maintain safe, efficient combustion.
Product Overview
As a genuine Weil McLain replacement part, the 511-330-221 pilot burner assembly is built to the same exacting standards as the original equipment. Proper pilot burner function is critical to safe boiler and heating system operation — ensuring the main burner lights reliably and that the system cycles correctly.
Key Features
- OEM Weil McLain replacement pilot burner assembly
- Designed for natural gas (Nat Gas) fuel type
- Direct drop-in replacement for compatible Weil McLain heating systems
- Supports reliable ignition and safe combustion sequencing
- Manufactured to OEM specifications for consistent performance and longevity
Application
- Compatible with select Weil McLain boilers and heating appliances requiring pilot burner replacement
- Intended for natural gas-fired systems
- Recommended for use by qualified HVAC/R technicians and heating professionals
Why Choose OEM Parts?
Using genuine Weil McLain replacement parts like the 511-330-221 ensures proper fit, reliable operation, and helps maintain system warranties. Always verify compatibility with your specific Weil McLain model before installation.







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