An expansion vessel or expansion tank is used on closed heating and hot water systems to absorb excess pressure and reduce the water hammer effect within the appliance. Expansion vessels are available in either Potable or nonpotable versions and can come in a variety of different sizes dependent on the model of appliance it will be fitted to.
What can DHS do to help?
At Direct Heating Spares, as a leading supplier of boiler spares and plumbing supplies for the UK, we aim to help you restore your central heating, boiler or system to full operational efficiency by supplying high quality parts, produced by the manufacturers, along with punctual delivery and fantastic customer services across the UK. If this is the part you require for your boiler, please take your time and locate your exact boiler using the table and filters provided.