Expansion Vessels

Zilmet is Europe’s biggest manufacturer of high-quality expansion vessels and plate heat exchangers. Their CAL-PRO expansion vessels absorb the water volume variations in closed heating systems. They maintain constant pressure, which helps reduce energy consumption and saves you money. The CAL-PRO Floor Standing Heating Expansion Vessel is available in multiple capacities of 4l to 900l and is made of carbon steel and SBR rubber. It is also available in red and has a maximum operating temperature of -10°C to 90°C. Zilmet’s Ultra Pro Potable Expansion Vessel is suitable for potable water, pumps, and booster sets. It has a maximum working pressure of 10 Bar and a maximum operating temperature of 99°C. It comes with a factory pre-charge of 1.5 Bar and has a 3/4 inch BSP threaded connection to connect to a flexible hose.

Have questions about our products or need advice? Tell us about your project and we will help you choose the right model for the job.

Call us on 01889 272185 or email us at sales@zilmet.co.uk