Grover Technologies tubular heat exchanger set, with (8) 3" x 10'6" long tubes with (4) 1/2" tubes, also with (1) 3" x 5'9" long tube with (4) 1/2" tubes, total square footage is approximately 50 square feet, 2" media fittings, frame mounted, with (2) U-turns, requires additional clamps and U-turns, model 2.5-750A-10P tubes, each tube with serial numbers, stainless steel skid with control panel, panel includes an ABB Commander 200 controller, an ABB Commander 300 controller, an ABB Kent-Taylor mass flow meter and a Dayton inverter, as is.