Description
The Weil McLain 511-246-330 is a manual main shut-off gas valve engineered for reliable gas flow control in boiler and hydronic heating applications. Featuring a 1-1/4″ NPT connection, this valve provides a robust, leak-resistant seal suited for residential and light commercial gas-fired systems. The integrated 1/8″ NPT downstream pressure tapping port allows technicians to conveniently measure and verify downstream gas pressure during commissioning, startup, and routine maintenance — eliminating the need for additional fittings or system modifications.
Designed as a genuine Weil McLain OEM replacement component, the 511-246-330 ensures compatibility and performance consistency with Weil McLain boiler systems. Its manual operation provides straightforward, dependable shut-off capability for service, maintenance, or emergency isolation of the gas supply.
Key Features
- Manual main shut-off gas valve for precise gas flow control
- 1-1/4″ NPT connection for secure, leak-resistant installation
- Integrated 1/8″ NPT downstream pressure tapping port for easy pressure verification
- Genuine Weil McLain OEM replacement part
- Designed for compatibility with Weil McLain boiler and hydronic heating systems
- Suitable for residential and light commercial gas-fired applications
Specifications
- SKU: 511-246-330
- Brand: Weil McLain
- Valve Type: Manual Main Shut-off Gas Valve
- Inlet/Outlet Connection: 1-1/4″ NPT
- Pressure Tapping Port: 1/8″ NPT (Downstream)
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