Trade accounts

Please contact us to apply for a Trade Account or to receive a package price quotation for your installation.

Expansion Vessels - Potable Water

Our range of heating potable water expansion vessels come in sizes from 33 - 800 litres. Manufactured for carbon steel with 2-3 weld construction.

All potable water expansion vessels (except 140 ltr) have a replaceable bladder and the internal sections of the vessel that come into contact with water are coated against corrosion.

  • Carbon steel shell and connections
  • Removeable synthetic rubber bladder
  • Epoxy coated blue
  • 10 Bar Max working pressure


Please download our data sheet if you require any additional information

We recommend choosing an expansion vessel which is 10-15% of your buffer tank's volume.


**Trade customers please call sales office for discount structure**

Connection sizes for our vessels are as follows:

33 - 50ltr = 3/4"
60 - 800ltr = 1"

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Delivery and Returns

Our standard delivery cost is £15. We aim to deliver next day (to UK Mainland) for orders received and paid for by 1pm. Click here for more information...