Weil McLain 511-330-080 Pilot Burner Assembly

The Weil McLain 511-330-080 Pilot Burner Assembly is a precision-engineered OEM replacement part designed for reliable ignition in residential gas boilers. This natural gas pilot assembly is essential for maintaining the sequence of operation in Weil McLain CGi, CGs, and CGt series boilers. The kit includes the pilot burner, a pre-installed orifice, and aluminum pilot gas tubing to ensure a seamless fit during field replacement. As a veteran technician knows, using a genuine 511-330-080 burner assembly is critical to avoiding flame rectification issues and ensuring the pilot flame remains stable for consistent main burner ignition. This robust HVAC replacement part is built to withstand high-temperature combustion environments, reducing the frequency of nuisance service calls related to pilot light outages or ignition failure. Whether you are performing a seasonal tune-up or responding to a "no heat" call, this pilot burner assembly provides the exact specifications required to restore factory-standard performance to the heating system.

• Direct OEM Replacement: Guaranteed compatibility with Weil McLain CGi, CGs, and CGt boiler models, eliminating the need for field modifications.
• Complete Installation Kit: Includes the pilot orifice and aluminum tubing, allowing for a faster and cleaner swap-out.
• Stable Flame Performance: Engineered for natural gas applications to provide a consistent pilot flame for reliable ignition cycles.
• High-Durability Construction: Manufactured with materials designed to resist oxidation and carbon buildup in the combustion chamber.

Which boiler models use the 511-330-080 assembly?
This specific pilot burner assembly is designed for Weil McLain CGi Series 2, CGs, and CGt Series 1 and 2 residential gas boilers. Always verify the model and series of the unit before installation.

Does this kit work with Liquid Propane (LP) systems?
No, the 511-330-080 is configured specifically for natural gas (NG). Using this assembly with LP without the correct conversion components can lead to improper combustion and hazardous operation.

What are the signs of a failing pilot assembly?
Common indicators include a yellow or lifting pilot flame, difficulty maintaining a pilot light, or the ignition control module timing out despite the pilot being lit—often caused by a worn orifice or damaged burner head.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.