The Eastman Thermal Expansion Tank Mounting Bracket is designed to take the load and weight off pipes, fittings or connections where water heater thermal expansion tanks are installed. The expansion tank mounting kit includes a universal galvanized steel bracket, two stainless steel quick-clamp bands and two stainless steel mounting screws. The quick-clamp bands fit a range of thermal expansion tanks all the way up to 5 gallons in size or 13 inches in diameter.