JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
Invoices are currently unavailable. We apologise for any inconvenience. Please contact your local branch if you require an invoice.
Expansion vessels, also known as expansion tanks, keep the pressure in a combi boiler stable while water heats and cools. Shop heating and potable expansion vessels online using your trade account or visit your local branch.
