Vaillant's latest range of uniSTOR stainless steel unvented cylinders gives you the option of a broad range of capacities from 125 litres up to 310 litres. Whichever cylinder you choose, you can be sure of the quality and performance that you expect from Vaillant.

In addition, a high recovery heating coil and superb reheat times being best in class make uniSTOR the only choice in unvented cylinders. And what's more, the uniSTOR range is fully compatible both with Vaillant system boilers (high efficiency ecoTEC and standard efficiency thermoCOMPACT boilers) as well as any other manufacturers' boilers - so whatever the system you can always add an extra touch of Vaillant performance.