Description
The Weil McLain 383-300-426 is a factory-engineered Gas Valve Conversion Kit designed for reliable fuel-type or pressure conversion on compatible Weil McLain heating equipment. Built to OEM specifications, this kit ensures a precise, code-compliant retrofit that maintains the integrity and performance of your boiler system.
Key Features
- 1-1/4″ NPT inlet/outlet connection for secure, leak-free integration
- 24-Volt operating voltage compatible with standard low-voltage boiler control circuits
- 1/8″ NPT upstream pressure tapping for accurate inlet gas pressure measurement
- 1/8″ NPT downstream pressure tapping for outlet pressure verification and commissioning
- OEM-engineered conversion kit for Weil McLain boiler applications
- Supports accurate field pressure testing and gas valve setup
Application
This conversion kit is intended for use with Weil McLain boilers requiring a gas valve upgrade, fuel conversion, or valve replacement. The dual 1/8″ NPT pressure tapping ports — one upstream and one downstream — allow technicians to quickly connect manometers or pressure gauges during startup and commissioning, ensuring the gas valve is operating within the manufacturer’s specified pressure range.
Specifications
- SKU: 383-300-426
- Brand: Weil McLain
- Connection Size: 1-1/4″ NPT
- Operating Voltage: 24 Volt
- Upstream Pressure Tapping: 1/8″ NPT
- Downstream Pressure Tapping: 1/8″ NPT
- Product Type: Gas Valve Conversion Kit
Why Choose OEM Parts?
Using genuine Weil McLain replacement and conversion components ensures compatibility, maintains warranty compliance, and delivers the performance your system was designed to provide. Always follow local codes and manufacturer installation guidelines when performing gas valve conversions.
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