The Vaillant uniSTOR Pure Heat Pump Cylinder incorporates a traditional external expansion vessel (The Plus range has an internal expansion membrane)
Every uniSTOR high recovery cylinder can be installed with any output of heat pump to suit multiple home solutions.
Available in a range of sizes from 90L to 300L with some slim options all with usual Vaillant build quality
With internal coil surface areas of up to 2.6m2 the expertly engineered coil-in- coil is designed for maximum surface area and heat dissipation.
The heat exchanger sits as low as possible in the cylinder, boosting stratification behaviour and improving performance.
A dispersal plate ensures minimal turbulence from the cold water inlet, which also enters at the lowest point of the cylinder to achieve the best thermocline.
All connections are, labelled to be easily identifiable, have been designed to be accessible from the front third of the cylinder.
A clip-on insulated cover minimises heat loss that can radiate from this valve, improving heat losses further.