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0319445001 - ESAB Thermostat for LAR/LAN Welding Machines

Packaging: pack of 2
$103.86/EA $131.84/pack of 2 only $65.92/EASave 37%

Usually ships within 3-5 business days

OVERVIEW

Keep Your ESAB Welder Running Cool

If your trusted ESAB LAR or LAN welder has stopped working or is showing signs of overheating issues, a faulty thermostat could be the culprit. The ESAB 0319445001 Thermostat is the genuine replacement part you need to get your machine back in action. These older ESAB machines are workhorses, built to last for decades, but small sensors like thermostats can wear out over time due to constant heating and cooling cycles. When this part fails, your machine might shut down unexpectedly or, worse, fail to shut down when it gets too hot, putting your main transformer at risk.

Don't take chances with generic parts or dangerous bypass fixes. This OEM thermostat is designed to fit perfectly into your specific model, whether it's a LAR or LAN series power source. It acts as the safety guard for your welder, constantly feeling the heat so you don't have to worry about it. If the machine gets pushed too hard, this switch saves the day by cutting the power before permanent damage occurs. Once the machine cools down, you are ready to weld again.

Replacing a thermostat is often a straightforward fix that can save you the cost of a new machine. If you are troubleshooting a machine that won't strike an arc or has a thermal light stuck on, checking the continuity of your thermostat is a great first step. If it's dead, swapping it out with this 0319445001 unit will restore the factory protection your equipment was born with.

We know that downtime costs money. That's why we supply genuine ESAB parts to help you maintain your shop's productivity. Keep your classic equipment running strong and safe with the right parts. This thermostat is a small investment that protects the heart of your welding rig.

Additional Information
Brand:ESAB
Packaging Description:1 Per Ea
Compatible Models:LAR Series, LAN Series
Part Type:Thermostat, Thermal Switch

INCLUDED

  • 1 x Thermostat (0319445001)

APPLICATIONS

  • Replacement of faulty thermostats in ESAB LAR series welding machines.
  • Repair of thermal protection circuits in ESAB LAN series power sources.
  • Restoration of safety features in vintage industrial welding rectifiers.
  • General maintenance and repair of ESAB heavy-duty welding equipment.

FAQ

This thermostat (0319445001) is designed for ESAB LAR and LAN series welding power sources.

It monitors the internal temperature of the welding machine and cuts off power if the unit overheats, protecting critical components.

Yes, this is a genuine OEM replacement part manufactured by ESAB.

Common symptoms include the machine shutting down prematurely, the thermal light staying on when cool, or the machine failing to output power. A continuity test with a multimeter can confirm if the switch is open or closed.

No, bypassing the thermostat removes the thermal protection, which can lead to catastrophic failure of the transformer or rectifier due to overheating.

It is typically mounted directly onto the heat sink, rectifier assembly, or transformer within the welding machine chassis.

Typically, this part includes the thermostat unit itself. You may need to reuse existing screws or mounting clips depending on the specific machine revision.

OEM thermostats are calibrated to the specific temperature thresholds required by the machine's design. Generic switches may trip too early or too late.