Technical data

STB 200-850 LIT.

STB

Volume

(l)

200

300

600

850

Water heater height C

Heights(D/E/F/G)

(mm)

Water heater diameter A

Ø (mm)

(mm)

Heights(H/I/J)

(mm)

Water heater diameter without insulation

Ø (mm)

Water heater depth B

(mm)

Tube heat exchanger

Max. heat exchanger 80°C

performance (1)

Tube heat exchanger surface

(kW)

(l/h)

70°C

(kW)

60°C

(l/h)

(kW)

(l/h)

Heating medium flow

(m3/h)

(m2)

Cold sanitary water (2)

(R")

Hot sanitary water (2)

(R")

Recirculation (2)

(R")

Heat exchanger connections (boiler and solar)

Maximum operating overpressure

(3) (R")

(bar/MPa)

Mass

(kg)

Energy efficiency class

198

1420

640

283

537

850

1900

1995

1940

640

810

960

90/295/695/775

90/295/865/965

75/330/985/1085 70/320/1075/1375

855/1055/1145

1065/1345/1645

1185/1585/1725

1270/1540/1635

480

690

480

690

650

860

800

1000

upper

16,1

395

13,3

325

8,0

195

lower

33,1

814

26,7

658

16,5

406

upper

19,5

479

16,0

391

10,1

247

lower

upper

lower

63,7

1561

49,7

1216

32,5

796

upper

lower

37,4

37,6

916

922

28,5

28,9

697

707

18,1

18,4

443

450

53,1

83,8

1299

2053

40,7

66,3

997

1624

26,4

44,5

646

1090

1

Boiler water supply

2

Boiler water return

3

Recirculation 3/4"

4

Collector water supply

5

Collector water return

6

Cold DHW 3/4"

7

Hot DHW 3/4"

8

Temp. sensors sleeves

9

Thermal insulation

10

Flange 115/180 mm

1,5

1,5

3

1,5

3

1,5

3

1,5

0,42

3/4

3/4

3/4

3/4

0,83

0,53

1,06

1,06

2,12

1,59

3,17

3/4

3/4

3/4

5/4

5/4

3/4

5/4

5/4

3/4

1

1

1

6/0,6

6/0,6

6/0,6

6/0,6

49

66

125

162

C

C

C

C

(1) Inlet temp. heating medium 80,70,60°C; DHW 10/45°C

(2) Inner thread (3) Outer thread-hermeto coupling Ø 22-3 / 4" for STB-200, and Ø 28-1" for STB-300, STB-600 and STB-850