Weil McLain 510-811-459 Conversion Kit

The Weil McLain 510-811-459 Conversion Kit is a specialized field-service solution engineered for the systematic conversion of CG boilers, EG series boilers, and EGM models. This OEM Weil McLain part is designed to transition units between fuel types or modernize atmospheric ignition systems, ensuring high-efficiency combustion and stable flame rectification. This gas boiler conversion kit integrates seamlessly with Weil McLain EG-55, EG-65, and EG-75 variants, supporting both residential and light commercial hydronic applications.

The Weil McLain 510-811-459 provides a comprehensive overhaul of the gas train and ignition control logic. It includes a high-capacity 3/4 inch gas valve for precise manifold pressure regulation and a United Technology control module that manages the intermittent pilot ignition sequence. By replacing legacy standing pilot setups with this electronic ignition conversion, contractors can improve system reliability and reduce fuel waste. The kit is further supported by a robust pilot burner assembly featuring an integrated sparker and flame sensor for rapid ignition and consistent safety monitoring.

Technical Benefits:

• Enhanced Ignition Reliability: Replaces mechanical components with a United Technology control module for superior spark ignition and flame sensing.
• Precise Fuel Management: The 3/4" gas valve provides stable input ratings for Weil McLain CG-7 and CG-8 boiler sections.
• Streamlined Field Integration: Includes a factory-mapped boiler wiring harness and detailed schematics to ensure correct terminal connections and limit string integration.
• OEM Compatibility: Precision-engineered for Weil McLain replacement parts standards, ensuring exact physical fitment within the vestibule.

Common Technical Questions:

Is this kit compatible with standing pilot boilers?
Yes, the 510-811-459 is frequently utilized to upgrade older standing pilot EG and CG boilers to more reliable electronic intermittent pilot systems.

Can I use this for Propane (LP) to Natural Gas conversions?
This kit is designed for specific gas conversion protocols. Always verify your specific boiler's serial number and orifice requirements against the included Weil McLain conversion instructions to ensure correct fuel-air mixing.

What is the primary function of the included control module?
The United Technology control module manages the trial for ignition, flame sensing, and 100% shut-off safety functions, bringing the system up to modern technical standards.

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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.