Miller

Miller 238791 Valve 40Vdc 2Way Custom Port

Replace or upgrade your welding system's gas flow control with this Miller 40Vdc 2-way valve featuring a precision .054 orifice.

$119.99*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Miller 238791 is a 40Vdc 2-way solenoid valve with a custom port configuration and a .054 orifice, engineered as a replacement component for Miller welding equipment. As a genuine OEM part, it is manufactured to the same tolerances and specifications as the original valve installed in compatible Miller systems, ensuring consistent gas flow control and reliable operation over time. The 2-way design provides simple open/close functionality for managing shielding gas delivery during welding processes.

This valve is intended for users who need to replace a worn or failed gas valve in their Miller welding setup. The custom port design means it is built for specific equipment configurations rather than serving as a universal replacement. Sold individually, the 238791 is a direct swap-in component — though given the limited documentation available, it is advisable to cross-reference the part number with your Miller equipment manual or contact Miller support to confirm compatibility before purchasing.

Key Features

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Specifications

Brand
Miller
Model / Part Number
238791
Type
Valve
Voltage
40Vdc
Way
2-Way
Port
Custom Port
Orifice
.054
Quantity
Package of 1

Pros & Cons

👍 Pros

  • Genuine Miller OEM part ensures proper fit and reliable operation in compatible systems
  • 40Vdc 2-way design provides straightforward on/off gas flow control
  • Precision .054 orifice delivers consistent, controlled gas flow rates
  • Custom port configuration matches specific Miller welding equipment requirements

👎 Cons

  • Very limited product information makes it difficult to confirm compatibility without referencing your equipment manual
  • Only one valve per package, requiring multiple orders for multi-valve replacements
  • Niche OEM part with a narrow range of compatible equipment
  • No installation instructions or documentation included with the valve

Frequently Asked Questions

The Miller 238791 is a replacement valve designed for use in Miller welding equipment, handling gas flow control in compatible systems.
It operates at 40Vdc, which is the standard voltage for solenoid-actuated valves in many Miller welding machines.
The .054 orifice size determines the flow rate of gas through the valve, providing precise gas delivery suited to the specific welding applications this valve was designed for.
This listing includes a single valve — one unit per package.