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672507 - ESAB 12 Ohm 300 Watt Replacement Rheostat

Packaging: pack of 1
$1,981.43/EA $1,187.15/pack of 1 only $1,187.15/EASave 40%

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OVERVIEW

Restore Precision Control to Your ESAB Welder

Is your welding machine's output fluctuating unpredictably, or has the control knob stopped responding entirely? The issue may lie with the main control rheostat. The ESAB 672507 is a genuine replacement rheostat specifically designed to get your equipment back to factory specifications. Rated at 12 Ohms and a massive 300 Watts, this part is the heavy lifter responsible for adjusting your welder's power output. Over years of service in dusty, hot shop environments, the moving parts of a rheostat can wear down, or the resistive wire can break, leading to a loss of control.

Replacing a faulty rheostat is a cost-effective way to extend the life of your welding power source. This unit is built tough, featuring a design that can withstand the heat and vibration common in welding workshops. The 300-watt power rating means it is designed to handle the heavy electrical loads that would instantly burn out a standard electronics store component. When you install the ESAB 672507, you are ensuring that your machine has the robust internal components it needs to deliver a smooth, stable arc.

Symptoms of a bad rheostat often include "dead spots" where the machine loses power at certain dial positions, or a complete inability to adjust the amperage or voltage. By swapping out the old unit for this new, high-quality ESAB part, you restore the smooth, linear adjustment that is vital for dialing in the perfect weld settings. This is particularly important for professional welders who rely on precise heat control to work on varying material thicknesses.

This part is designed for direct fitment into compatible ESAB machines, making the repair process straightforward for qualified technicians. Don't let a small component compromise your productivity or weld quality. Invest in the correct replacement part to ensure your welder runs reliably for years to come. Always verify the part number in your machine's manual to ensure the 672507 is the correct match for your specific model.

Additional Information
Watts:300 W
Brand:ESAB
Resistance:12 Ohms
Power Rating:300 Watts
Component Type:Rheostat
Application:Welding Machine Repair
Packaging Description:pack of 1

INCLUDED

  • (1) 12 Ohm 300 Watt Rheostat

APPLICATIONS

  • Replacement of worn or defective rheostats in ESAB welding machines
  • Repair of power sources exhibiting erratic output control
  • Maintenance of industrial equipment requiring 12 Ohm 300 Watt variable resistance
  • Restoration of vintage welding power sources

FAQ

The ESAB 672507 has a resistance value of 12 Ohms.

This rheostat is rated for 300 Watts of power dissipation.

Common signs include erratic output, dead spots where the machine produces no power at certain dial positions, or a complete inability to adjust the voltage or amperage.

Yes, this is a genuine ESAB replacement part, SKU 672507.

No, using a component with a lower wattage rating than 300 Watts can lead to immediate failure, overheating, and potential fire hazards. You must match the power rating.

This fits specific ESAB power sources that specify part number 672507. Please check your machine's parts manual or schematic to confirm compatibility.

Typically, rheostats are sold as the component only. You will usually reuse your existing knob or purchase one separately.

High-wattage rheostats like this typically use a ceramic core to withstand high temperatures.