Approved Vendor 60022 Thermal Expansion Tank, 2 gal Tank Capacity, Stainless Steel, 210°F Max. Op Temp 82230 125 ft of 5 8 in 125 ft of 5 8 in Cable Product Type Drain Cleaning Machine Machine Type Drum Machine Machine Series RIDGID K 7500 Tool Series K 7500 Phase Single Phase Core Type Included Cable A Inner Core Horsepower 3 8 hp Frequency 60 Hz Number of Cables Included 1 Kit Contents Bare Tool Maximum Run 250 ft Number of Augers Included 4 Number of Cutters Included 2 Reversible Yes Nominal Voltage 115 V Cutter Types Included Double Cutter CAT Safety Rating CAT IV 1000V These tanks absorb excess pressure caused by thermal expansion in closed plumbing systems Operating Pressure 150 psi Max