Zilmet Thermal Expansion Tanks provide a safe, reliable solution for hot water thermal expansion. Zilmet thermal expansion tanks all come with stainless steel connectors, all have 150 psi max pressure rating and are all NSF 61 certified.
Zilmet has over 50 years of experience in manufacturing high quality diaphragm expansion tanks. 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. The Thermal In Line expansion tanks prevent dangerous pressure build up. Protect household appliances and fixtures, and save energy and water.
All tanks are NSF61 Certified. Each tank is factory leak tested to ensure tank integrity and made with a carbon steel shell. MIG welding eliminates interior rough spots and sharp edges. Exclusive polypropylene liner eliminates internal corrosion. External baked epoxy-polyester coating provides a durable appliance like finish. Protected pre-charge valve eliminates potential leak path. All tanks are Almond colored.
The Zilmet In Line, No Base, Thermal Expansion Tanks are built for operating conditions of a 150 psi max pressure rating, for operating temperature of 210° Farenheit, with a factory precharge of 40 psi.