Description
The Weil McLain 511-044-256 is an OEM combination gas valve engineered for precise, reliable gas flow control in Weil McLain boiler systems. Featuring a step-opening design with a 1.2 step ratio, this valve delivers a controlled, staged ignition sequence that reduces thermal shock and supports smooth, efficient burner startup.
Key Features
- Step-opening (1.2 step) design for staged, controlled gas flow during ignition
- 3/4″ inlet x 3/4″ outlet NPT connections for straightforward installation
- 24-volt operating voltage compatible with standard residential and light commercial boiler control circuits
- Combination valve design integrates gas pressure regulation and safety shutoff in a single unit
- OEM Weil McLain replacement part for accurate fit and reliable performance
Specifications
- SKU: 511-044-256
- Brand: Weil McLain
- Valve Type: Combination Gas Valve
- Opening Type: Step Opening
- Step Ratio: 1.2 Step
- Inlet/Outlet Connection: 3/4″ x 3/4″ NPT
- Operating Voltage: 24 Volt
Application
Designed as a direct OEM replacement for Weil McLain boiler systems, the 511-044-256 combination gas valve ensures proper gas pressure regulation, safety shutoff, and staged ignition control. The 1.2 step-opening feature allows the valve to open at a reduced rate initially before reaching full flow, minimizing ignition noise and extending the service life of burner components. Ideal for HVAC technicians and boiler service professionals seeking a factory-spec replacement part.
