Buffer vessels for closed hot water heating systems with a welded-in straight-tube heat exchanger for the hydraulically separated integration of additional heating systems (e.g. the combination of solid fuel boilers with solar systems or similar). Robust and installation-friendly design. Equipped with various sensor connections for the individual adjustment of the temperature control. Foot height adjustment for quick and safe alignment. Powder coated exterior, uncoated interior.

General information

  • Permissible positive operating pressure: Buffer vessel/heating coil 3/10 bar.
  • Permissible operating temperature: Buffer vessel/heating coils 95/110 °C (368/383 K).

Storage water heater insulation (to be ordered separately, see storage water heater accessories):

  • Thermal insulation: 100 mm fleece insulation with a polystyrene outer layer as an installation-friendly kit.
  • Standard insulation colours: white (RAL 9010) and white aluminium (RAL 9006).
  • Fleece insulation complies with fire protection class B2 according to DIN 4102.

 

TypeNominal capacity
[l]
Dimensions *Heating surface **
[m2]
Weight
[kg]
Order no.
Ø
[mm]
H
[mm]
Tilt height
[mm]
SP-2WT 600600650205021001,5 / 2,0146419353
SP-2WT 750750790180018501,5 / 2,1156419354
SP-2WT 850850790195020002,0 / 2,3205419355
SP-2WT 1000 (Ø790)1000790220022502,2 / 2,7245419356
SP-2WT 1000 (Ø850)1000850200020502,2 / 2,7243419357
SP-2WT 12001200850225023002,6 / 2,9261419358
SP-2WT 150015001000232023802,8 / 3,2306419359
SP-2WT 200020001100235024003,5 / 5,0396419360

* Dimensions excluding insulation.
** Upper/lower heating surface.

 

TypeSystem
connections
Distance from floor to connections
A
[mm]
B
[mm]
C
[mm]
D
[mm]
E
[mm]
F
[mm]
K
[mm]
L
[mm]
M
[mm]
SP-2WT 60081802807308809801240128016801830
SP-2WT 75082703706908909401060110014201520
SP-2WT 85082703707409209701090120015701670
SP-2WT 1000 (Ø790)8270370820101010951210137018201920
SP-2WT 1000 (Ø850)8305405790100510751125122016051705
SP-2WT 12008305405855104511951295140518551955
SP-2WT 15008340440890104012301370144018901990
SP-2WT 20008350450900120013101380145019002000

 

SpecificationsSP-2WT 600 – 2000
6007508501000
Ø790
1000
Ø850
120015002000
Total heat loss (EN 12897) [W]147,4156,3164,9171,6175,7191226295,3
Energy labeln/an/an/an/an/an/an/an/a

n/a = not applicable.

Accessories
Accessories
for water storage Systems
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