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Weil McLain 510-811-641 Combination Gas Control Valve, 3/4″ x 1″ NPT, 24V Thermopile

BRAND: Weil McLain SKU: 510-811-641

$795.14

MSRP: $914.41
You save 15%

Combination Gas Control Valve, 3/4″ x 1″ NPT, 24V Thermopile Only

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3 In Stock

Description

The Weil McLain 510-811-641 is an OEM combination gas control valve engineered as a direct replacement for compatible Weil McLain boilers and heating appliances. Designed for thermopile-only operation at 24 volts, this valve integrates multiple gas control functions into a single compact assembly, simplifying installation and reducing potential leak points in the gas train.

Key Features
  • Combination gas control valve — integrates pressure regulation, manual shutoff, and automatic gas valve functions in one unit
  • 3/4″ inlet x 1″ outlet NPT connections for straightforward in-line installation
  • 24-volt thermopile-only operation — no external transformer required; powered entirely by the system’s thermopile generator
  • OEM Weil McLain replacement part — ensures proper fit and performance for compatible boiler models
  • Compact, single-body design reduces installation complexity and potential leak points
  • Durable construction built to withstand the demands of continuous residential and light commercial heating applications
Specifications
  • SKU: 510-811-641
  • Brand: Weil McLain
  • Valve Type: Combination Gas Control Valve
  • Inlet Connection: 3/4″ NPT
  • Outlet Connection: 1″ NPT
  • Operating Voltage: 24 Volt Thermopile Only
Application

This valve is intended for use as an OEM replacement in Weil McLain boiler systems that utilize a thermopile power source. Always verify compatibility with your specific boiler model and serial number before installation. Installation should be performed by a qualified HVAC or gas technician in accordance with all applicable local codes and manufacturer guidelines.

Additional information

End Connection

3/4" NPT Inlet, 1" NPT Outlet

Voltage

24V

Valve Function

Pressure Regulator, Manual Shutoff, Automatic Gas Valve

OEM / Aftermarket

Yes

Application

Light Commercial, Residential

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