The cylinders range from 150 up to 300 litres. Ideal for a wide range of properties with different hot water demands. The Vaillant uniSTOR heat pump cylinder range is designed to work in harmony with Vaillant heat pumps and provide highly efficient heating and hot water systems. Complete system solution offering whilst meeting all building regulations. Featuring superior state of the art insulation. The cylinders are made from 100 percentage recyclable stainless steel with an ultra-hard wearing outer shell giving you a robust and sustainable system solution that comes with a 25-year guarantee. All vaillant hot water cylinders are manufactured in line with standards that are maintained by the hot water association.

• The cylinders range from 150 up to 300 litres, so they're suitable for a wide range of properties with different hot water demands
• Specifically designed to work alongside Vaillant heat pumps
• Unique integrated coil system ensures 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
• Available in a range of sizes from 150 to 300 litres
• Global Warming Potential less than five and ozone depletion of zero Designed to have minimal environmental impact.
• Factory fitted immersion heater boost, and emergency backup in case of main heat source failure.