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236706 - Miller 236706 High Frequency Transformer (XFMR, HF)

Packaging: 1 PER EA
$2,594.71/EA $1,623.01/1 PER EA only $1,623.01/EASave 37%

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OVERVIEW

Restore TIG Performance with the Miller 236706 High Frequency Transformer

The Miller 236706 XFMR,HF is a genuine Original Equipment Manufacturer (OEM) High Frequency Transformer designed specifically for Miller welding power sources. In TIG welding applications, the high-frequency (HF) unit is a critical subsystem responsible for ionizing the air gap between the tungsten electrode and the workpiece. This allows the welding arc to establish without the electrode physically touching the metal, preventing tungsten contamination and ensuring a clean start.

Over time, internal electrical components like transformers can degrade due to heat, vibration, or electrical surges. A failing HF transformer often manifests as difficulty starting the arc, requiring the operator to resort to scratch-starting or lift-arc methods even when HF start is selected. Replacing a faulty unit with the Miller 236706 restores the machine's ability to generate the high-voltage spark necessary for non-contact starts.

Because this is an authentic Miller part, it is built to the exact electrical and physical specifications of your machine's original assembly. This ensures seamless installation and compatibility with the welder's control circuitry. Whether you are repairing a Dynasty, Syncrowave, or other compatible Miller TIG machine, using genuine parts helps maintain the equipment's reliability and longevity.

Key Benefits of OEM Parts

  • Exact Fit: Designed to mount perfectly within the machine chassis.
  • Electrical Safety: Rated for the specific voltages and frequencies of Miller equipment.
  • Reliability: Restores factory-level performance for arc initiation.
Additional Information
Packaging Description:1 Per Ea
Part Type:High Frequency Transformer
Application:TIG Arc Starting
Compatibility:Miller Welding Power Sources
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Part Type:High Frequency Transformer
Abbreviation:XFMR, HF
Application:TIG Arc Starting
Compatibility:Miller Welding Power Sources
Brand:Miller OEM
Packaging Description:1 Per Ea

INCLUDED

  • (1) High Frequency Transformer (XFMR, HF)

APPLICATIONS

  • Repair of Miller TIG welding machines
  • Replacement of failed high-frequency transformers
  • Restoration of non-contact arc starting functionality
  • General welding machine maintenance

FAQ

XFMR is a standard industry abbreviation for 'Transformer'.

It generates the high-voltage spark required to initiate a TIG welding arc without the tungsten electrode touching the workpiece (non-contact start).

You must check the parts breakdown list in the owner's manual for your specific Miller welding machine model. Look for part number 236706.

Yes, this is an authentic OEM replacement part manufactured by Miller Electric.

Installation involves internal machine components and high voltages. It is highly recommended that a qualified welding equipment repair technician perform the installation.

Common symptoms include the inability to start a TIG arc without scratching the metal, or a weak/intermittent high-frequency spark at the torch.

Typically, OEM repair parts do not come with instructions. You should refer to the technical service manual for your specific machine.

This part is primarily used in machines capable of TIG (GTAW) welding, specifically those with High Frequency start capabilities.