Weil McLain 383-300-425 Conversion Kit

The Weil McLain 383-300-425 Conversion Kit is a heavy-duty solution for updating fuel control systems on LGB Commercial Boilers. This gas valve conversion kit features a 1" NPT threaded connection and operates on a standard 24 Volt control circuit, ensuring seamless integration with existing field wiring and ignition control modules. Built for high-capacity applications, the assembly includes dual 1/8" NPT pressure tappings for both upstream and downstream monitoring, allowing technicians to verify precise manifold pressure during commissioning and combustion analysis. By utilizing this OEM Weil McLain part, contractors can maintain the integrity of the heat exchanger while optimizing gas flow management. Whether you are performing a seasonal tune-up or a critical repair, this kit provides the replacement gas valve and hardware necessary to restore safe and reliable boiler operation. The robust design is engineered specifically for Weil McLain LGB series models, making it a vital component for commercial heating maintenance and professional system upgrades.

Key Benefits:

• Features a high-flow 1" NPT connection to meet the demands of large-scale commercial gas boilers.
• Includes 1/8" NPT pressure tappings both upstream and downstream for accurate gas pressure calibration.
• Designed for universal 24V HVAC control systems, ensuring compatibility with standard transformers and thermostats.
• Provides an authentic Weil McLain replacement solution for precise fitment in LGB boiler cabinets.
• Streamlines the gas valve conversion process for technicians through matched secondary components.

Common Questions

What boiler models is the 383-300-425 kit compatible with?
This specific kit is engineered for use with Weil McLain LGB Boilers utilizing a 1-inch NPT gas line. Always verify your specific boiler series and size prefix before installation.

Does this kit include the downstream pressure tapping?
Yes, it comes equipped with both upstream and 1/8" NPT downstream pressure tappings to facilitate proper manifold pressure testing and adjustment.

What is the operating voltage for this gas control?
This conversion kit operates on a 24 Volt alternating current (VAC) system, which is the standard for most commercial boiler control circuits.

This item is not eligible for free shipping.

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.