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10261139 - Tweco 420A Water-Cooled Fume Extraction Gun 10ft Euro

Packaging: 1 per ea
$3,946.09/ea $2,411.53/1 per ea only $2,411.53/eaSave 39%

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OVERVIEW

Breathe Easier While You Weld

Upgrade your welding setup with the ESAB Tweco 420C Water-Cooled Fume MIG Gun. If you are welding all day, you know that smoke and fumes are more than just a nuisance—they are a health hazard. This specialized MIG gun is designed to tackle that problem head-on by sucking fumes away right at the nozzle, keeping your air clean and your vision clear. It connects to a high-vacuum extraction unit (sold separately) to pull smoke away before it ever reaches your helmet.

Cool Running for Hot Jobs

Don't let heat slow you down. The "WC" in 420C stands for Water Cooled. This gun is built to handle serious heat, rated up to 420 Amps. Whether you are spraying heavy plate or running long beads on structural steel, the water cooling keeps the handle and neck comfortable, preventing the overheating common with air-cooled guns in this amperage range. You get the power you need with the comfort you deserve.

Designed for the Welder

We know that fume guns can sometimes feel bulky, but Tweco has engineered the 420C to be as ergonomic as possible. The handle features a swivel connection to reduce cable drag, and the vacuum control is right at your fingertips, allowing you to adjust suction on the fly. The 10-foot cable is perfect for station work, keeping your leads manageable and out of the way. Plus, with the universal Euro connector, hooking it up to your machine is quick and secure.

Why Choose the Tweco 420C?

  • Source Capture: Removes up to 90% of fumes at the arc.
  • High Duty Cycle: Weld longer without overheating.
  • Clear View: Less smoke means better visibility of the puddle.
  • Standard Parts: Uses common Tweco tips and nozzles you probably already have.
Additional Information
Brand:ESAB, Tweco
Amperage:420
Cooling Method:Water Cooled
Cable Length:10 ft
Connection Type:Euro
Process:MIG (GMAW), Fume Extraction
Gas Type:CO2, Mixed Gas
Duty Cycle:100% @ 420A (CO2)
Packaging Description:1 per ea

INCLUDED

  • 1 x Tweco 420C Water-Cooled Fume Extraction MIG Gun
  • 1 x 10 ft (3m) Cable Assembly
  • 1 x Euro Connection Adapter
  • 1 x Standard Contact Tip
  • 1 x Gas Nozzle
  • 1 x Fume Shroud

APPLICATIONS

  • Heavy Industrial Fabrication
  • Shipbuilding and Marine Repair
  • Structural Steel Welding
  • Tank and Vessel Manufacturing
  • Automotive Manufacturing
  • Confined Space Welding (with proper ventilation)
  • Stainless Steel and Aluminum Welding

FAQ

Yes, this is a fume extraction gun only. It must be connected to a high-vacuum extraction unit to function as intended.

The gun is rated for approximately 420 Amps, typically at a high duty cycle (often 100% with CO2) due to its water-cooled design.

This model comes with a Euro-style back-end connection, which is standard on many ESAB and European-brand wire feeders.

This is a water-cooled (WC) MIG gun. It requires a water cooler / recirculator to operate safely.

Yes, the Tweco 420C generally uses standard Tweco front-end consumables like contact tips and gas diffusers, though the nozzle is specific to the fume shroud assembly.

The cable assembly is 10 feet (approximately 3 meters) long.

When properly adjusted, the vacuum captures the fumes without disturbing the shielding gas envelope. The gun usually features an adjustable slide to control suction flow.

Fume extraction guns are slightly heavier due to the integrated vacuum hose and shroud, but the 420C is designed with ergonomics in mind to minimize fatigue.