For support call: 0330 100 3143
Find an Installer

Heat pump cylinders

Explore the uniSTOR range


The uniSTOR heat pump cylinder range has been designed to work in harmony with Vaillant heat pumps, to provide highly efficient heating and hot water systems.

Explore the range

  • The cylinders range from 150 up to 300 litres, so they’re suitable for a wide range of properties with different hot water demands
  • They’re specifically designed to work alongside Vaillant heat pumps
  • Their unique integrated coil system ensure maximum heat transfer and helps to reduce running costs and increases hot water performance
  • The cylinders are made from 100% recyclable stainless steel with an ultra-hard-wearing outer shell that comes with a 25-year guarantee

Featuring state-of-the-art insulation as well as a 100% recyclable stainless steel shell, uniSTOR heat pump cylinders give you a robust and sustainable system solution to support your Vaillant heat pump.

Pre-plumbed cylinder range available which comes with fitted components to make installation quicker for your installer.

All Vaillant hot water cylinders are manufactured in line with standards that are maintained by the Hot Water Association.