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Dad Approved Miller Coolmate 3.5 Water Cooler - 115 Volt 301788 Don't Wait [WKUBuR3I]

$93.99 $300.99 -69%

Miller Coolmate 3.5 Water Cooler The Miller Coolmate 3.5 Water Cooler is a top-tier cooling solution designed for professionals in the welding industry. Engineered to integrate seamlessly with Dynasty 400 and 800, as well as Maxstar 400 TIG welders,

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Dad Approved Miller Coolmate 3.5 Water Cooler - 115 Volt 301788 Don't Wait [WKUBuR3I]

Miller Coolmate 3.5 Water Cooler

The Miller Coolmate 3.5 Water Cooler is a top-tier cooling solution designed for professionals in the welding industry. Engineered to integrate seamlessly with Dynasty 400 and 800, as well as Maxstar 400 TIG welders, this water cooler is a reliable companion for high-amperage welding tasks. With its robust 3.5-gallon coolant capacity, it ensures consistent performance for water-cooled torches up to 600 amps, making it an ideal choice for heavy-duty welding operations.

Key Features and Specifications

The Miller Coolmate 3.5 is packed with features that enhance its performance and durability. Its horizontal design allows for easy stacking or convenient mounting onto Runner™ carts, maximizing space and efficiency in your workshop. The polyethylene-molded coolant tank, fan shroud, and filler spout are rustproof, ensuring longevity and reliability. Other standout features include a factory-set pressure-relief valve (55 psi) for consistent pressure during operation, a thermally protected 1/4 hp motor, and internal check valves to prevent coolant flow when the torch is disconnected. The brass-body positive-displacement rotary vane pump ensures consistent coolant flow and pressure, with a long pump-life expectancy. Here are some of the key features:

  • Integrates with Dynasty® 400/800 and Maxstar® 400 TIG welders
  • Horizontal design for stacking or mounting
  • Rustproof polyethylene-molded components
  • Factory-set pressure-relief valve (55 psi)
  • Thermally protected 1/4 hp motor
  • Internal check valves to prevent coolant flow
  • Brass-body positive-displacement rotary vane pump

Practical Uses and Benefits

The Miller Coolmate 3.5 Water Cooler is not just a cooling solution; it's a comprehensive tool that enhances the efficiency and safety of your welding process. Its efficient fin-and-tube heat exchanger ensures optimal cooling performance, while its lightweight design (64 pounds dry) makes it easy to transport and install. Whether you're working on a construction site or in a busy workshop, this water cooler is designed to meet the demands of professional welding. With its robust construction and advanced features, the Miller Coolmate 3.5 is a must-have for anyone looking to elevate their welding experience.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

A very satisfying buy, worth every single penny.

- Gwyneth U..

January 18, 2026

Absolutely no complaints!

This is a really good and a very, very, very, very, very, very solid product.

- Manawydan O..

January 18, 2026

Absolutely no complaints!

It's a sheer pleasure to use this daily.

- Rhonwen P..

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