Weil McLain 511-044-256 Gas Valve Refrigerant The open construction design facilitates

The open construction design facilitates straightforward direct mount installation via a 1/4 inch SAE female flare nut

This kit includes precision-machined internal components

For contractors managing 1/2-inch NPT GP257-R general purpose valves

NEMA 4X adds corrosion resistance

Weil McLain 511-044-256 Gas Valve Refrigerant The open construction design facilitatesThe Weil McLain 511 044 256 is a high performance combination gas valve designed specifically for the Weil McLain CGa and EG series boilers, including models CGa 7, CGa 8, EG 7, and EG 8. Built for reliability in demanding HVACR environments, this 24V gas control features a step opening (1. 2" step) design that ensures smooth burner ignition and controlled gas flow. Professionals should note that the 511 044 256 serves as the direct OEM replacement