Watts ASME Pressurized Expansion Tanks 0212004

Series ETA ASME Pressurized Expansion Tanks are designed to absorb the expansion forces and control the pressure in heating and cooling systems. They are ASME Section VIII fixed bladder type precharged expansion tanks. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Available in a variety of models and sizes. Models ETA 15 through ETA 60 have a maximum pressure of 150psi (10.3 bar) and models ETA 80 through ETA 240 have a maximum pressure of 125psi (8.5 bar).