Solar Cylinders

UniSTOR cylinder range for solar systems

  • Easy to clean - High quality VG white powder coating
  • Best in class stand by energy losses
  • In - line front connections
  • Adjustable feet meaning the cylinder can be installed on uneven ground

Overview

UniSTOR cylinder range for solar systems

Performance and reliability are what Vaillant are all about. That’s why our products have been expertly designed and engineered to work to their full potential together. Working in perfect harmony with the Vaillant range of solar thermal systems , the uniSTOR cylinder range uses state of the art insulation to give the ultimate efficiency.

What's in the range?

  • 200 litre twin coil solar cylinder
  • 250 litre twin coil solar cylinder
  • 300 litre twin coil solar cylinder

Specifications

Specifications

Solar cylinders200 litre twin coil solar cylinder250 litre twin coil solar cylinder300 litre twin coil solar cylinder
Article Number 002023527500202352760020235277
Total tank capacity
(l)
199249,8298,7
Actual capacity (without coil)
(l)
191,6 291,3
Hot water capacity / draw off
(l)
Solar coil 124/Reheat coil 187Solar coil 145,3/Reheat coil 232,7Solar coil 169,2 Reheat coil 274
Outer diameter with insulation
mm
595595595
Height with insulation
mm
1.241.511.77
Net weight empty cylinder
kg
44,3 51,8 58
Weight of filled cylinder
kg
237,6 298,4 351,3
Insulation thickness mm505050
Standby losses
(kWh/24h)
1,29 1,481,64
ErP Label BBB
Reheat time EN 12897min21,48 27,35 30,7
Reheat time (70%) min15,04 19,15 21,49
Heat exchanger power / coil rating kwSolar coil
16,9
Reheat coil
17,9
Solar coil
16
Reheat coil
17
"
Solar coil
15,2
Reheat coil
16,3
Heat exchanger surface m2Solar coil
0,6
Reheat coil
0,6
Solar coil
0,6
Reheat coil
0,6
Solar coil
0,6
Reheat coil
0,6
Primary flow rate l/h900900900
Max. operating DHW temp. (°C) 85 8585
Max. operating heat circuit temp. (°C) 959595
Temp. / PressureT&P valve (°C / bar)95 / 9 95 / 9 95 / 9
Secondary return  yesyesyes
Primary heat exchanger /
flow & return connection
 ¾ ¾ ¾
Cold & hot water connection  ¾ ¾ ¾
Temp. sensor sleeve diameter
mm
888
Qty. of temp. sensor tubes  222
Immersion heater boss diameter 1 ¼1 ¼1 ¼
Immersion heater  230 V / 50 Hz 230 V / 50 Hz
230 V / 50 Hz
Immersion heater power
(kW)
3,03,03,0
Motorised 2-way valve  230 V / 50 Hz 230 V / 50 Hz 230 V / 50 Hz

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