Alt Expansion Vessel 35Ltr Potable Arb Vert

The Reliance RWC 35 Litre Aquasystem ARB35 Potable Expansion Vessel with Bracket 3 Bar XVES050075 is manufactured to comply with UK water regulations and are tested and certified by WRAS. All vessels are supplied with a replaceable membrane, which separates the water and air, to prevent contamination of the water system, corrosion of the pressure vessel or pressure loss in the water system. The main purpose of the vessel is to compensate for the increase in the volume of water due to the varying water temperatures in the system, e.g. Water being heated from 0°C-100 °C will increase by approx 4.5%.