
Maintaining precise combustion levels within your hydronic heating system is achieved by replacing worn components with the factory-authorized Weil-McLain 383-500-407 burner kit. This comprehensive assembly ensures your boiler maintains its original factory specifications for fuel-to-air ratios, helping to restore thermal output and burner stability in compatible heating units.
This kit functions by integrating a precision-engineered burner manifold and combustion chamber assembly that regulates flame distribution and heat transfer efficiency. By replacing damaged internal hardware with the 383-500-407, technicians can effectively mitigate localized hotspots and prevent uneven heat exchange, ensuring the burner ignites and sustains fire safely within the heat exchanger.
Key System Performance Baselines:
- Precision Combustion: Restores factory-calibrated fuel-to-air ratios for cleaner burning.
- Thermal Efficiency: Optimized manifold design improves heat transfer to the hydronic system.
- OEM Compatibility: Engineered specifically to fit Weil-McLain boiler chassis for seamless installation.
- System Reliability: Durable materials withstand high-temperature cycles for long-term operational consistency.
⚠️ Application Profile: Designed exclusively for maintenance and repair of compatible Weil-McLain residential and light-commercial hydronic boilers; must be installed by a qualified HVAC professional to ensure gas-tight integrity.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 383-500-407 |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.