1 0 Miller Coolmate 4 Water Coolant System Newly Listed At auction Sep. 24 Miller Coolmate 4 Water Coolant System. Industrial 4-gallon Cooler Designed For Water-cooled Torches Rated Up To 600 Amps. See Photos ConditionUsedStock NumberLN5529 MLS Number13849466CategoryWelding Machines Last Updated9/26/2025 LocationColumbus, NE, US Listed ByBigIron Auctions (844) 253-___ SHOWNUMBERCall Seller Email Seller Save More Info