Sioux Chief 598 Series TankBracket™ expansion tank support shall be used where necessary to support thermal expansion tanks (up to 5 gal) in water supply systems. Support kits shall include a heavy-duty mounting column with slots, a sturdy support base, suspension beam (3 piece model only) and Nylon securing straps. Support base shall incorporate an elongated opening to allow access for air charging or for expansion tank to be inverted for installations where tank is above water heater. Side slots in mounting column shall work with nylon straps (included) or any water heater restraint straps up to 1.75 in W.