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Expansion Vessels
The expansion vessel is a chamber that is utilised to protect water heating systems from excessive pressure. The pressure vessel is filled with air that acts as a cushion against pressure surges within the system.


What can Direct Heating Spares do for me?

Here 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, system or boiler to full working order by supplying high quality parts, produced by the manufacturers, along with punctual delivery of spares and excellent customer services across the UK. If this is the part your boiler requires, it is important to take your time and locate your exact boiler model using the provided table and filters. Our UK based offices contain collectively over 200 years of experience in boiler spares and spares distribution. Please feel free to contact us either by phone or e-mail on the information provided at the bottom of this web page. We have a large array of materials and boiler spares and can help you find part numbers, prices and availability for delivery across the UK. Our distribution warehouse holds over 20,000 different boiler spares in stock and we have a dedicated purchasing team that ensures our stock levels are maintained to shorten lead times from ordering direct to any location in the uk. We offer various options delivery of spares and can even offer a next day, pre 12 delivery to most parts of the UK. If the spares you require are showing as out of stock or are not listed on our website, please give our UK based sales team a call and we can advise how soon we can obtain the item for you as well as what the total price will be.