Thermal Expansion Tanks

Zilmet Hydro-Plus Potable Water Expansion Tanks

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

Zilmet Cal-Pro Hydronic System Expansion Tanks

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

From $59.00

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.

From $98.00

why buy from us?

We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.

Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.