Description
The Weil McLain 540-100-001 is a factory-engineered Natural Gas to LP (Propane) Conversion Kit Orifice Bag Assembly designed specifically for compatible Weil McLain boiler models. This kit provides all the necessary orifice components to safely and accurately convert your Weil McLain boiler from natural gas operation to liquid propane (LP) fuel, ensuring proper combustion performance and continued reliable heating.
Key Features
- Converts natural gas (NG) operation to liquid propane (LP/Propane) fuel
- Includes precision-sized burner orifice components for accurate fuel metering
- Factory-engineered for direct compatibility with applicable Weil McLain boiler models
- Supports proper combustion efficiency and safe boiler operation after conversion
- Orifice bag assembly format ensures all required components are included in one kit
- Genuine Weil McLain OEM replacement part
Application
This conversion kit is intended for use by qualified HVAC and plumbing professionals. Always consult the applicable Weil McLain boiler installation and service manual to confirm compatibility with your specific boiler model before installation. Proper conversion is essential for safe operation, warranty compliance, and code conformance.
Product Details
- Brand: Weil McLain
- Part Number: 540-100-001
- Fuel Conversion: Natural Gas (NG) to Liquid Propane (LP)
- Kit Type: Orifice Bag Assembly







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