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Unvented Solar Cylinder - AuroSTOR from Vaillant

Solar Technology from Vaillant

 

Solar thermal heating for domestic hot water is the fastest growing renewable technology across Europe. Using radiation from the sun, a sophisticated solar collector is used to transfer the maximum amount of energy possible in to a fluid which runs through the collector and which is then used to indirectly heat water in a storage cylinder.

 

 

Related Literature

Solar Brochure

 

Related Products

auroTHERM Exclusive
auroTHERM Plus
auroTHERM
auroMATIC
Vaillant auroSTOR Unvented Solar Cylinder

This twin coil unvented solar cylinder manufactured from stainless steel has a 25 year warranty on the shell. It is available in 200, 250 and 300 litre volumes and is delivered with a 3kW back up immersion heater as standard. Each cylinder features two sensor pockets for simple straightforward connection of the control sensors and a 22kW rated coil for a rapid heat up. Insulation exceeds CHeSS best practice and heat loss is as low as 0.08kW/h.

  • 2 year guarantee
  • 25 year guarantee on the shell

 

Features and Benefits  
Connections at the front of the cylinder Offers easy installation for the installer
uniSTOR cylinders operate using a mains water pressure Does not require a feed from a cold water storage tank
2 sensor pockets Offers easy installation for the installer
22kW internal coil Rapid cylinder heating

 

AuroSTOR Models and Prices:

Model Size Litres Price (inc VAT)
auroSTOR 200 1500 x 554mm 200 975.35
auroSTOR 250 1790 x 554mm 250 1032.14
auroSTOR 300 2110 x 554mm 300 1090.03
       
 

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Technical Specifications

Vaillant auroSTOR auroSTOR 200 auroSTOR 250 auroSTOR 300

Volume litres 

200  250 300
Maximum water supply pressure bar 10 10 10

Operating pressure bar

3.5 3.5 3.5

Pressure reducing valve bar

3.5 3.5 3.5

Expansion relief valve bar

6.0 6.0 6.0

Expansion vessel charge pressure bar

4.0 4.0 4.0
Temperature & Pressure valve C / bar 95C / 7 bar 95C / 7 bar 95C / 7 bar
Maximum primary circuit pressure bar 2.5 2.5 2.5
Weight (empty) kgs 39 44 49

Weight (full) kgs

245 310 340

Height mm

1500 1790 2110

Width (excluding connections and PRV) mm

554 554 554

Heat Loss kW / 24 hrs

1.9 2.1 2.4

Cylinder connections  

22mm compression 22mm compression 22mm compression

Secondary return connection

G 3/4 G 3/4 G 3/4
Electrical connections   230/240 V, 50 Hz 230/240 V, 50 Hz 230/240 V, 50 Hz
Immersion heater length mm 430 430 430
       
       

 


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