MILLER Coolmate 3.5 Miller DYN/MAX 350 & 700 MR300245

Miller Coolmate™ 3.5 Water Cooler – 13 Litre Capacity (MR300245)

The Miller Coolmate™ 3.5 Water Cooler is a high-performance welding cooler designed to seamlessly integrate with Miller Dynasty® and Maxtar® 350 and 700 power sources. Built for demanding industrial welding applications, it delivers reliable cooling performance to protect your equipment and extend torch life.

Engineered for water-cooled welding torches rated up to 600 amps, the Coolmate 3.5 ensures consistent arc performance and reduced downtime, even in high-amperage, continuous welding environments.

Key Features & Benefits

• Compatible with Miller Dynasty® and Maxtar® 350 & 700 welders

• Supports water-cooled TIG and MIG torches up to 600A

• 13-litre coolant capacity for extended run time

• Improves torch performance and operator comfort

• Extends torch and consumable life

• Ideal for heavy-duty and high-amperage welding applications

Applications

• TIG Welding (GTAW)

• MIG Welding (GMAW)

• High-amperage industrial welding

• Fabrication workshops

• Structural and heavy manufacturing

Specifications

• Cooling Capacity: Up to 600 Amps

• Coolant Capacity: 13 Litres

• Compatible Power Sources: Dynasty® 350 / 700, Maxtar® 350 / 700

• Part Number / SKU: MR300245