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41 years of Expertise in Engineered Water Treatment and Well SystemsPrice Match GuaranteeLifetime WarrantyThe Largest Selection of Residential Filtration SystemsWell Water Components and SuppliesReplaceable FiltersComplete Water TestingIndustry’s Best BrandsExcellent Tech SupportWater Treatment ChemicalsCustom solutions designed to address your specific needsMost products ship the same day
Zilmet has over 50 years of experience in manufacturing high-quality expansion tanks - It 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. *SHIPPING INCLUDED*
The Zilmet ZS12 is a 3.2 gallon inline stainless steel expansion tank for domestic heating systems equipped with boilers or heat exchangers. Built with a 304 stainless steel shell and connection, it is suited for coastal areas and harsh chemical environments where plain steel can corrode. It uses a fixed butyl membrane for potable water applications, has a factory precharge of 36 PSI, and is rated for a maximum operating pressure of 150 PSI and operating temperature up to 210 F.
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