Vokèra AquaFlow Twin coil unvented cylinder

Capacity Range (litres): 200 – 250 – 300

The AquaFlow Twin unvented cylinder complements Vokèra’s range of Zenith solar thermal collectors and system and open vent boilers. AquaFlow Twin cylinders have two coils, the top for connection to the boiler and the bottom for connection to the solar collector/s. Many features are built in as standard such as a secondary return and solar thermal sensor bosses.



  • Easy and quick to install
  • The AquaFlow Twin can be installed and later connected to a Solar thermal system
  • No cold water feed tanks required which means a dry loft space
  • Inner tank is guaranteed for 25 years (2 years ancillary components)
  • Factory fitted with one immersion heater

 Information Downloads

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 Further Information

The AquaFlow Twin houses two coils: the top coil is usually connected to your boiler, the bottom coil can them be connected to a Solar thermal system. If you are upgrading your heating system and water cylinder, it may make economical sense to have an AquaFlow Twin coil cylinder that can be connected to Solar thermal system at the same time or at a later date.