Varem 21 gal. 35 psi Pre-Pressurized Vertical Solar Water Heater Expansion Tank 120 psi

The 21 Gal. Solar heating tank best to save energy. Max worKING temperature c and Max worKING pressure 120 psi. The Replaceable Bladder. It can be used in Residential and commercial water heater system. The heat loss in expansion vessels with diaphragm membrane is 60% higher compared to balloon membrane Varem vessels.