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Miller Flo-Trol Flow Switch Diaphragm Replacement

$7.45/ea $5.20/1 per ea only $5.20/eaSave 30%

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OVERVIEW

Restore Your Cooler's Performance

Keep your Miller welding equipment running reliably with the Miller G230-13 Diaphragm, the authentic replacement part for Flo-Trol flow switches. If you are experiencing issues with your water cooler—such as the welder refusing to arc because it thinks there is no water flow, or conversely, if you notice the safety system isn't triggering when it should—the diaphragm inside your flow switch may be the culprit. This small but vital rubber component is responsible for sensing the water pressure moving through your lines. When it wears out, cracks, or loses flexibility, your entire welding station can be brought to a halt.

Using genuine Miller parts like the G230-13 is the best way to protect your investment. Water-cooled torches are expensive, and the cooling system is their only defense against the intense heat of the arc. A functioning Flo-Trol system acts as an insurance policy, instantly cutting power if the pump fails or a line kinks. This replacement diaphragm is designed to fit perfectly into the existing housing, making the repair process straightforward for those familiar with cooler maintenance. Don't risk your equipment with makeshift fixes or generic rubber sheets that may not have the correct flex or chemical resistance to welding coolants.

This part is ideal for welders who maintain their own gear or shops looking to keep spare parts on hand for critical breakdowns. Symptoms of a bad diaphragm can often be subtle at first, such as intermittent flow errors, before leading to total failure. Swapping out the G230-13 is a cost-effective repair that extends the life of your cooling unit and ensures your day isn't ruined by a melted power cable. Trust in the quality of Miller Electric components to keep your fabrication projects moving forward without unexpected downtime.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Part Type:Diaphragm
Compatible Assembly:Flo-Trol Flow Switch
Material:Elastomer

INCLUDED

  • 1 x Miller G230-13 Diaphragm

APPLICATIONS

  • Miller Coolmate Series Cooling Systems
  • Industrial TIG Welding Stations
  • Water-Cooled MIG Welding Packages
  • Robotic Welding Cooling Units
  • Flo-Trol Safety Switch Assemblies

FAQ

The G230-13 diaphragm is the flexible sensing element inside the Flo-Trol flow switch. It expands under coolant pressure to actuate the electrical switch that confirms coolant flow to the welder.

Signs include the welder displaying flow errors despite the pump running, the flow switch leaking fluid, or the safety switch failing to shut off the welder when flow stops.

Yes, this is the authentic Miller G230-13 OEM replacement part, ensuring exact fit and material compatibility with your Miller equipment.

This diaphragm is designed for use with standard welding coolants approved by Miller. Avoid using automotive antifreeze or harsh chemicals that might degrade the elastomer.

The Flo-Trol is commonly found in Miller Coolmate water coolers and integrated cooling systems on larger industrial power sources.

Installation requires disassembling the Flo-Trol switch housing. It is a straightforward repair for a technician, but care must be taken to seat the diaphragm correctly to prevent leaks.

No, the G230-13 is the diaphragm only. The spring, switch mechanism, and housing are sold separately or reused from the existing assembly.

The flow switch prevents the welding torch from operating without coolant. Without it, a water-cooled torch can overheat and melt in seconds, causing expensive damage.
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