Description
Weil McLain 511-044-354 LP Gas Valve — CGI Series 25-6
The Weil McLain 511-044-354 is an OEM replacement LP (liquid propane) gas valve engineered for dependable, precise gas flow control in Weil McLain boiler systems. Designed as part of the CGI Series 25-6 product line, this valve delivers the consistent performance and tight shutoff that heating professionals demand in residential and light commercial hydronic heating applications.
Key Features
- Designed for liquid propane (LP) gas service
- 1/2″ inlet x 1/2″ outlet connection size for straightforward installation
- CGI Series 25-6 configuration — direct OEM replacement for compatible Weil McLain boiler models
- Engineered to Weil McLain’s exacting quality and safety standards
- Provides reliable gas flow regulation and positive shutoff
- Supports safe, efficient boiler operation in hydronic heating systems
Application
This gas valve is a factory-specified replacement component for Weil McLain boilers equipped with CGI Series 25-6 gas valve assemblies. It is suitable for use with LP gas fuel systems and is intended for installation by qualified HVAC and plumbing professionals. Always verify compatibility with your specific boiler model before installation.
Product Specifications
- SKU: 511-044-354
- Brand: Weil McLain
- Fuel Type: LP (Liquid Propane) Gas
- Inlet/Outlet Connection: 1/2″ x 1/2″
- Series: CGI 25-6







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