Additional InformationcUPC Certified|NSF/ANSI 61
Marketing InformationIntroducing the Easyflex®2.1 gal thermal expansion tank - the safe solution to compensating for thermal expansion in water heaters. As water heats up, it expands and can cause excessive pressure and damage to the plumbing system. The Easyflex® tank is made of 16 ga steel and butyl rubber diaphragm, ensuring durability and reliability. The tank is pre-charged at 40 psi for convenience and comes with a limited 6 years warranty.