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Domestic boiler cylinders

Explore the uniSTOR range


The high quality, stainless steel uniSTOR cylinder is a hot water storage facility, ideal for social housing and new build developments with a new or existing sealed system or open vent boiler.

Explore the range

uniSTOR cylinders are unvented cylinders which means they can operate efficiently under higher pressures and work in perfect harmony with all Vaillant domestic boilers.

Available in various sizes to suit specification requirements; 120/150 litre slim line pre-plumbed cylinder, 180/200/250/300 pre-plumbed cylinder and 120/150/180/200/250/300 standard cylinder

  • Slim line, pre plumbed and standard cylinders in the range
  • 2 year guarantee on parts and labour plus 25 year guarantee for the cylinder shell
  • Can be retrofitted onto older systems meaning the cylinder can be upgraded without the hassle of the entire system
  • Improved insulation to minimise heat loss and lower running costs
  • Adjustable feet allow the cylinders to be installed on uneven ground