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Zilmet® Thermal Expansion Tank With Fixed Diaphragm, ZTTA Series, 80 gal Capacity, 1-1/2 in Connection, NPT Connection, 53 gal Acceptance Factor, Butyl Rubber Diaphragm, Carbon Steel, Finish: Primer Painted, 150 psig, 240 deg F, 24 in Dia x 50 in H
Zilmet® USA ZTTA series are ASME fixed diaphragm-type pre-charged thermal expansion tanks for commercial and industrial potable hot water applications. They are designed to be installed between a backflow preventer and a hot water heater to accept the expanded volume of hot water keeping the system pressure below the relief valve setting. Products comply with NSF/ANSI standard 61.