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269910 - Miller Coolant Reservoir Replacement 269910

Packaging: 1 PER EA
$666.82/EA $469.54/1 PER EA only $469.54/EASave 30%

Usually ships within 3-5 business days

OVERVIEW

Keep Your Cool with the Miller 269910 Replacement Tank

If you are running a water-cooled setup, you know that the coolant tank is the heart of your thermal management system. Over time, heat, vibration, and accidental impacts can take their toll on plastic reservoirs, leading to hairline cracks and frustrating leaks. The Miller 269910 Coolant Tank is the direct replacement you need to fix that puddle under your machine and get back to welding. Don't risk burning up a valuable TIG torch or overheating your power source because of a leaky reservoir; swapping out the tank is a cost-effective maintenance step that protects your entire rig.

This isn't a generic one-size-fits-all bottle; it is the specific Miller OEM part designed for your equipment. This means the mounting holes line up, the hose barbs are the right size, and the cap fits perfectly. You won't have to rig up a solution or worry about the tank rattling loose during transport. The translucent material makes it easy to check your coolant levels at a glance, so you never run dry in the middle of a long bead. It is built to handle the specific coolants used in welding, resisting the chemical breakdown that can make cheaper plastics brittle over time.

Installation is generally straightforward for those familiar with their machine's layout. Once installed, it restores the sealed environment your pump needs to circulate fluid efficiently. Whether you are running a Coolmate system or an integrated cooler in a Dynasty or Maxstar, keeping the fluid contained is step one in consistent performance. If you have noticed your coolant level dropping mysteriously or seen signs of moisture inside the machine case, check your tank immediately.

Invest in the longevity of your gear. A fresh tank ensures your coolant stays where it belongs—circulating through your torch—rather than on the floor. Get the Miller 269910 and weld with the confidence that your cooling system is tight, reliable, and ready for high-amperage work.

Additional Information
Brand:Miller
Packaging Description:1-per-ea
Product Type:Coolant Tank
Compatibility:Miller Cooling Systems
Material:High-Density Polyethylene (HDPE)

INCLUDED

  • 1 x Miller 269910 Coolant Tank

APPLICATIONS

  • Replacement of cracked or leaking coolant reservoirs in Miller welding equipment
  • Restoration of older water-cooling units during refurbishment
  • Maintenance of integrated cooling systems in TIG and MIG power sources
  • Repair of specific Miller Coolmate or similar cooling units (verify via serial number)

FAQ

Due to the variety of cooling systems Miller manufactures, it is highly recommended to check your machine's parts manual or verify fitment using your specific serial number before purchasing.

No, this is the empty replacement tank only. Coolant must be purchased separately.

Yes, this is a genuine OEM Miller 269910 Coolant Tank, ensuring exact fit and material quality.

It is typically made from a durable, chemical-resistant plastic (often High-Density Polyethylene) designed to withstand welding coolants and heat.

Tanks can develop cracks over time due to heat cycling, vibration, UV exposure, or physical impact. Replacing the tank resolves leaks caused by structural failure.

While the tank can hold water, it is strongly recommended to use proper welding coolant (like Miller Low Conductivity Coolant) to prevent algae growth, freezing, and corrosion in your pump and torch.

Typically, replacement tanks are sold as the molded vessel itself. You may need to reuse your existing cap or purchase one separately if it is not explicitly stated as an assembly.

Compatibility varies by model and series. Please consult the parts breakdown for your specific Coolmate unit to confirm the part number 269910 is correct.