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Blue rectangular water coolant system with handle and filler cap

Miller Enterprises

Miller Enterprises 042288 Water Coolant System 1/4 HP 4 gal

SKU CH-76ME-DSF3J

A 4-gallon water coolant system rated at 6,070 BtuH with a 600 A torch limit and 5.9 qt/min flow rate

  • TypeTools
  • Maximum cooling power of 18,000 BtuH handles heavy-duty welding
  • Rated capacity of 6,070 BtuH sustains continuous operation
  • Supports torches up to 600 A for versatile use
  • Four-gallon tank with 5.9 qt/min flow keeps coolant circulating
  • Portable rustproof case with handle and filter simplifies transport and maintenance

Cooling Capacity & Torch Compatibility

The Miller Electric 042288 water coolant system delivers a maximum cooling capacity of 18,000 BtuH and a rated capacity of 6,070 BtuH. It supports compatible torch currents up to 600 A, making it suitable for demanding welding operations. The unit operates on both 50 Hz and 60 Hz frequencies for versatile power compatibility.

Build Integration & Portability

The system features a tough one-piece case that is portable and rustproof, complete with a convenient carrying handle and filler for easy transport and maintenance. An easily accessible coolant filter simplifies routine upkeep, while the efficient fin-and-tube heat exchanger ensures reliable thermal management during extended use.

Tank Capacity & Flow Headroom

A 4 gal tank capacity provides substantial coolant volume for prolonged welding sessions without frequent refills. The maximum flow rate reaches 5.9 qt/min, delivering consistent circulation to matched torches. When torch current demands exceed 600 A or cooling loads surpass the rated 6,070 BtuH, the system reaches its operational limits.

Highlights

  • Maximum cooling power of 18,000 BtuH handles heavy-duty welding
  • Rated capacity of 6,070 BtuH sustains continuous operation
  • Supports torches up to 600 A for versatile use
  • Four-gallon tank with 5.9 qt/min flow keeps coolant circulating
  • Portable rustproof case with handle and filter simplifies transport and maintenance

Specifications

BrandMILLER ELECTRIC
TypeTools

Questions about this item

What is the maximum cooling capacity of the Coolmate 4 system?

The maximum cooling capacity is 18,000 BtuH, while the rated capacity is 6,070 BtuH for continuous operation.

How loud is the unit and how much heat does it reject when running all day?

The fin-and-tube heat exchanger dissipates up to 18,000 BtuH, and the one-piece rustproof case helps manage operating temperature during extended use.

Which torches and power sources can connect to the Coolmate 4?

It supports torches rated up to 600 A and operates on both 50 Hz and 60 Hz power, matching common industrial welding power supplies.

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