Zilmet Inox Pro Stainless Steel Expansion Tank (3.2 Gal)

INOX-PRO: The expansion tanks in this line are entirely made of 304 stanless steel. These tanks all have butyl diaphragms. The sizes of the series range from .04 gallons up to 4.8 gallons. The 2.1, 3.2 and 4.8 gallon tanks are all NSF 61 certified. Zilmet has over 50 years of experience in manufacturing high quality expansion tanks Produces over 5 million tanks and over 1 million heat exchangers annually Fully vertically integrated, designing and manufacturing all diaphragms and bladders internally Zilmet has created a compact design with a seamless diaphragm that never stretches or creases. There are no bubbles or corners to trap sediment, inhibiting bacterial growth. Features Butyl diaphragms suitable for both hot and cold water applications ZS8, ZS12, and ZS18 tanks are NSF61 Certified All tanks are manufactured with 304 stainless steel All tanks come with a 5 year limited warranty