Description
Weil McLain 511-044-381 Combination Gas Valve Overview
The Weil McLain 511-044-381 is a factory-specified Combination Gas Valve engineered as a direct replacement and conversion component for Weil McLain CG-series cast iron gas boilers. Designed to support the transition from CG-25 to CG-6 configurations, this valve ensures proper gas flow regulation, safety shutoff, and reliable ignition sequencing in residential and light commercial hydronic heating systems.
Key Features
- Combination gas valve design integrates pressure regulation and safety shutoff in a single unit
- 1/2″ x 1/2″ NPT inlet and outlet connections for straightforward installation
- 24-Volt operating voltage — compatible with standard low-voltage boiler control circuits
- Engineered for Weil McLain CG-25 to CG-6 boiler series conversion and replacement applications
- Provides precise gas pressure regulation to maintain consistent burner performance
- Automatic safety shutoff protects against unsafe operating conditions
- OEM-specified component for reliable, manufacturer-approved performance
Specifications
- SKU: 511-044-381
- Brand: Weil McLain
- Valve Type: Combination Gas Valve
- Inlet/Outlet Connection: 1/2″ x 1/2″ NPT
- Operating Voltage: 24 Volt
- Compatible Boiler Series: CG-25 to CG-6
Application
This combination gas valve is the correct OEM replacement for Weil McLain CG-series cast iron gas boilers undergoing conversion or routine gas valve replacement. Its 24-volt control circuit compatibility and standard 1/2″ NPT connections make installation straightforward for qualified HVAC technicians. Always verify boiler model and gas type compatibility before installation.
