Zilmet

Zilmet Products

Thermal Expansion Tanks

Zilmet Cal-Pro Hydronic System Expansion Tanks

These expansion tanks are used for heating systems. Not potable water rated.

Zilmet Flats Space Saving Hydronic System Expansion Tanks

Zilmet Flat expansion tanks provide both space saving and a tighter, more professional look for hydronic system expansion.

Zilmet Hydro-Plus Potable Water Expansion Tanks

Potable water expansion tanks. NSF 61 certified. Suitable for domestic water heating systems, electric pumping, water hammer.