7L water cooler for welding machine is with 400W S/S pump and has good cooling system. Suitable for Tig,Mig ... ,Plasma welding 7L 370W stainless steel water pump water cooler is suitable for cooling TIG, MIG and Air ... dustIntelligent Alarm---- Real-time detection alarmWater over heating alarm; Water close to the freezing point alarmMultiple overload protection---- Multiple overload ...