Heat Pump Cylinders

UniSTOR cylinder range for heat pumps

  • Complete with 3 way valve and adapter making it easier and saving time on install.
  • Comes with unvented kits and expansion vessel
  • Inline front connections, reducing piping issues in smaller, more compact areas

Overview

UniSTOR cylinder range for heat pumps

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 heat pumps, the uniSTOR cylinder range uses state of the art insulation to give the ultimate efficiency.

Introduction to the cylinder range

What's in the range?

  • 150 litre pre plumbed heat pump cylinder
  • 200 litre pre plumbed heat pump cylinder
  • 250 litre pre plumbed heat pump cylinder
  • 300 litre pre plumbed heat pump cylinder
  • 150 litre heat pump cylinder
  • 200 litre heat pump cylinder
  • 250 litre heat pump cylinder
  • 300 litre heat pump cylinder

Specifications

Specifications

Unit 150 litre pre plumbed heat pump cylinder200 litre pre plumbed heat pump cylinder250 litre pre plumbed heat pump cylinder300 litre pre plumbed heat pump cylinder150 litre heat pump cylinder200 litre heat pump cylinder250 litre heat pump cylinder300 litre heat pump cylinder
Article number  00202371290020237130002023713100202371320020235271002023527200202352730020235274

Total tank capacity
l
149,2

199

249,8

298,7

149,2

199

249,8

298,7

Actual capacity (with coil)
l
143,05

191,4

240,3

289,2

289,2

191,4

240,3

289,2

Hot water capacity / draw off (EN12897)
l
135

183,2

186,3

230,9

133

183,2

211

208

Outer diameter with insulation

mm

430

595

595

595

595

595

595

595

Net weight empty cylinder
kg
54.5

58

73.3

80.6

38

46

61

67.63

Weight of filled cylinder
kg
193.97

248.7

309.6

354.09

181,8

237,4

301.3

356.83

Insulation
thickness
mm5050505050505050

Standby losses
(kWh/24h)
1,64

1,22

1,41

1,59

1,0

1,22

1,41

1,59

ErP label
 CBBBBBBB

Reheat time
(70%)
 
14,28

14,22

10,56

7,46

13,93

14,22

10,56

7,46
Heat echanger power / coil rating
kW

20,6

26,0

40,7

50,5

20,8

26.0

40,7

50,5

Primary flow rate

l/h

900

900

900

900

900

900

900

900

Max. operating DHW temp.

(°C)

85

85

85

85

85

85

85

85

Max. operating heat circuit temp.

(°C)

95

95

95

95

95

95

95

95

Primary heat exchanger
flow & return connection
 
¾ “

¾ “

¾ “

¾ “

¾ “

¾ “

¾ “

¾ “

Cold & hot water connection
 
¾ “

¾ “

¾ “

¾ “

¾ “

¾ “

¾ “

¾ “

Temp. sensor sleeve diameter

mm

8

8

8

8

8

8

8

8

Qty. of temp. sensor tubes
 
1

1

1

1

1

1

1

1
Immersion heater boss diameter 
1 ¼“

1 ¼“

1 ¼“

1 ¼“

1 ¼“

1 ¼“

1 ¼“

1 ¼“

Size supplied expansion vessel
 
12

18

25

25

12

18

25

25

Related Products

Related Products

flexoTHERM

5, 8, 11, 15 and 19kW

  • Available in 5, 8, 11, 15 & 19kW
  • Can connect to three different sources - ground, water or air
  • High seasonal SCoP value
  • Comes complete with VRC 700 weather compensating control
  • Integral components - built in ground and heating circulation pumps and three way diverter valve

geoTHERM 22 - 46kW

geoTHERM ground source heat pump

  • The only Ground Source Heat Pump Quiet Mark approved
  • Energy yield display
  • All key components integral to the geoTHERM up to 17kW

aroTHERM 5, 8, 11 and 15kW

air-to-water heat pump

  • Blue fin coated evaporator as standard
  • MCS accredited
  • ErP rated A++
  • Quiet Mark approved

aroTHERM Hybrid system

  • Unique triVAI® intelligent control system
  • Total system solution – Available in an easy to order pack
  • Excellent green credentials
  • Compatible with all boiler systems– Gas, oil & LPG
  • Easy to install and commission

Downloads