Skip to Main Content
Canadian
Canadian owned and operated

Tweco 1K Ohm 2-Watt Replacement Potentiometer

$345.37/EA $219.17/pack of 1 only $219.17/EASave 37%

Usually ships within 3-5 business days

OVERVIEW

Genuine Tweco Replacement Potentiometer

Maintain the integrity of your welding setup with the Tweco 401428-005 Potentiometer. This high-quality electronic component is specified at 1K Ohm resistance and a 2 Watt power rating, making it the exact replacement required for specific Tweco and thermal arc welding systems. Potentiometers are the interface between the operator and the machine's logic; they translate the physical turn of a dial into electrical signals that control vital parameters like heat input and wire delivery. When this link degrades, your ability to weld effectively is compromised.

Why Choose OEM Replacement Parts?

While potentiometers are common electronic components, those used in welding equipment must meet specific standards. The Tweco 401428-005 is built to withstand the rigors of an industrial environment. Generic parts may not have the same dust resistance or mechanical endurance, leading to premature failure. By choosing this genuine Tweco part, you ensure that the electrical characteristics—specifically the resistance taper and power handling—match the original engineering design of your welder. This prevents calibration issues where the dial position does not match the actual output of the machine.

Restoring Machine Performance

A worn-out potentiometer is a common cause of frustration for welders. It often manifests as a machine that won't hold a steady setting or a control knob that feels 'scratchy' or unresponsive in certain positions. Replacing the potentiometer is a straightforward repair that can immediately bring a machine back to factory performance levels. This 2-watt unit offers the thermal stability needed for consistent operation during long welding shifts, ensuring that your settings remain drift-free once set.

Application and Utility

This 1K potentiometer is typically found in wire feeders, remote control pendants, and the front panels of power sources. It is suitable for regulating low-voltage control signals that dictate the machine's output. Before ordering, we recommend verifying the part number in your equipment's service manual to ensure compatibility. Investing in the correct repair part helps minimize downtime and ensures safety and reliability in your welding operations.

  • Resistance: 1000 Ohms (1K)
  • Power: 2 Watts
  • Type: Rotary Potentiometer
  • Use: Voltage/Amperage/Speed Control
Additional Information
Watts:2 W
Packaging Description:1 Per Ea
Resistance:1K Ohm
Component Type:Potentiometer
Application:Welding Machine Control

INCLUDED

  • 1 x 1K Ohm 2-Watt Potentiometer

APPLICATIONS

  • Welding machine repair and maintenance
  • Wire feeder speed control replacement
  • Power source voltage or amperage adjustment dials
  • Remote control pendant repair
  • Industrial electronic control circuits requiring 1K Ohm resistance

FAQ

This potentiometer has a resistance of 1K Ohms (1000 Ohms).

It is rated for 2 Watts, making it suitable for industrial control circuits.

Common signs include erratic machine settings, 'dead spots' where the machine output drops to zero or maxes out unexpectedly, or a gritty feeling when turning the knob.

Yes, this is a genuine Tweco OEM replacement part, ensuring proper fit and function.

It is generally safe to use a higher wattage, but never lower. However, for best fit and performance, it is recommended to use the exact specified rating of 2 Watts.

No, this item typically includes the potentiometer component only. You will usually reuse your existing knob.

This fits specific Tweco and potentially ESAB/Thermal Arc welding equipment. Please check your machine's parts manual for the part number 401428-005.

Most industrial control potentiometers for welding machines are linear taper, but you should consult your machine's schematic to confirm.