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Miller Coolmate 3 (115 V, CE) #043007

Part Number: 043007
UPC: 715959177351
$1,572.70 + Free Shipping $1,884.00*
SAVE $311.30
Starts at $262.12/month with
  • MIG Welding
  • TIG Welding
  • 110V
  • Single Phase
  • 3-Year Warranty

Miller Coolmate 3 (115 V, CE) #043007

Designed for water-cooled torches rated to 500 amps*, the Coolmate 3 is an economically priced 3-gallon cooler with all the ingenious design features you’d expect from Miller.

Running on 115 VAC, the Coolmate 3’s closed-loop design with radiator reduces coolant temperature and protects against overheating. The coolant’s reservoir tank is molded polyethylene, as are the fan shroud and easy fill spout, so corrosion is never a concern.

Equipped with standard inlet/outlet torch fittings, the Coolmate 3 is compatible with all TIG and MIG torches with standard 5/8-18 left-hand fittings. The included 10-foot (3 m) power cords with plugs are longer than most power cords in the industry — for extra length when you need it.

*May vary with torch design and cable length.


  • Midsize, horizontal design for easy stacking and mounting
  • Front panel controls include: power switch, paddle wheel coolant flow indicator, filter and coolant filling spout
  • Polyethylene-molded coolant tank, fan shroud and filler spout
  • Factory-set pressure relief valve (55 PSI) maintains consistent pressure during use
  • Thermally protected 1/4 HP motor
  • Efficient fin and tube heat exchanger
  • Brass-body, positive displacement rotary vane pump for consistent coolant flow and long pump-life
  • Compatible with Miller coolants
  • Weight: 40 lb (18 kg) dry
See more Miller welding equipment and supplies.

Miller Coolmate 3 (115 V, CE) #043007 Specifications

Title Coolmate™ 3 115 V, CE
Industries Aerospace
Boat / Yacht
High Purity Processing
Max Cooling Capacity 3820
Input Voltage 110/115/120 V
Input Phase 1-Phase
Input 50 Hz
Max Current Draw 4.7 A
5.9 A
Rated Cooling Capacity 1420
Tank Capacity 3
Warranty Miller's True Blue Warranty


Height: 15.00 Inches
Width: 15.00 Inches
Length: 24.00 Inches
Weight: 44 Lb(s) 0 Oz

Product Questions and Answers

How to Prepare Cooling Unit for Use:

  1. Locate Hoses.

    Locate and attach coolant out hose and coolant in the hose.

  2. Connect Fittings.

    Connect fittings. Fittings have ?-18 left-hand threads. Connect hoses with proper fittings.

  3. Locate Coolant Cap.

    Locate the coolant tank cap.

  4. Find Proper Coolant.

    Find the proper coolant and fill the tank to approximately 1” below the top of the filler neck.

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