Weil-McLain®, 383-501-030, Venturi Kit

Weil-McLain 383-501-030 Gas Valve Venturi Kit for LP Boilers

The Weil-McLain 383-501-030 Gas Valve Venturi Kit is a replacement assembly designed for use with Weil-McLain Ultra Series boilers operating on liquid propane (LP). This OEM kit includes the components necessary to maintain correct gas-air mixture and combustion performance in LP-fired systems.

The kit includes a replacement gas valve, venturi, 90-degree elbow, gaskets, and associated hardware. All components are engineered to meet Weil-McLain specifications for safe, efficient operation in qualified boiler models. Professional installation is recommended to ensure code compliance and optimal function.

Included Components

• Gas Valve – Regulates LP flow to the burner assembly.
• Venturi – Mixes gas and air to promote proper combustion.
• 90° Elbow – Allows integration with existing piping layouts.
• Gaskets & Hardware – Sealing and fastening components included.

Application & Compatibility

• Boiler Type: Weil-McLain Ultra Series, LP configuration
• Installation: For use by licensed HVAC or plumbing professionals
• Purpose: Maintains correct combustion characteristics in LP systems

Contractor Notes

This assembly is intended for field replacement during maintenance or gas type conversion procedures. Ensure all connections are tested for leaks following installation and verify combustion settings per manufacturer guidelines. Refer to the boiler manual for model-specific instructions and compatibility before installation.