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

2320046 Viessmann 7823844 Expansion Vessel Cri 8
This part fits...
£90.41
(inc VAT)
£90.41(inc VAT)
2320968 Viessmann 7828646 Expansion Vessel Cri 8
This part fits...
£85.80
(inc VAT)
£85.80(inc VAT)
2320826 Viessmann 7826473 Membrane Expansion Vessel
This part fits...
£95.04
(inc VAT)
£95.04(inc VAT)
2320146 Viessmann 7822350 Expansion Vessel Hose Mag
This part fits...
£15.06
(inc VAT)
£15.06(inc VAT)
2321050 Viessmann 7829297 Expansion Pipe
This part fits...
£34.76
(inc VAT)
£34.76(inc VAT)
2321110 Viessmann 7831501 Expansion Vessel 12L
This part fits...
£118.24
(inc VAT)
£118.24(inc VAT)
2320638 Viessmann 7822351 Membrane Expansion Vessel 12L
This part fits...
£110.12
(inc VAT)
£110.12(inc VAT)
2320082 Viessmann 7826206 Expansion Vessel
This part fits...
£39.41
(inc VAT)
£39.41(inc VAT)
2320596 Viessmann 7179057 Internal Extension H1
This part fits...
Unfortunately this product is showing as no longer available with the manufacturer; please contact us if you have any queries
Unfortunately this product is showing as no longer available with the manufacturer; please contact us if you have any queries

 

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.