Approved Vendor 60022 Thermal Expansion Tank, 2 gal Tank Capacity, Stainless Steel, 210°F Max. Op Temp RS3542 Work Clamp With 12 Ft Work Clamp With 12 Ft Cable Neck Type Rigid Maximum Current 200 A Welding Processes TIG Welding (GTAW) Cooling Method Air Cooled Gas Valve Included Yes Compatible with Series ArcMaster 400 MST Series Number of Pieces 5 Duty Cycle 60 % Country of Origin United States Variable Speed Trigger Adjustable Shoe Yes Power Source Cordless Stroke Type Straight Tool Weight 3 lb Blade Clamp Type Twist Lock Application General Purpose Series XTREME(TM) Variable Speed Yes Pivoting Head No Charger Included No Brushless Motor Yes Case Included No Tool Style Compact Vibration Reduction No Cordless Tool Kit Contents (1) Bare Tool Number of Batteries Included 0 Min Expansion tanks for water heaters alleviate excess pressure caused by the normal thermal expansion that occurs when water is heated These tanks absorb excess pressure caused by thermal expansion in closed plumbing systems