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 coil 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-1WT 300300550159016501,0 93419348
SP-1WT 500500650165017001,6102419120
SP-1WT 600600650205021002,0124419349
SP-1WT 750 750 790180018502,1134419121
SP-1WT 850 850 790195020002,3175419350
SP-1WT 1000 (Ø790)1000 790220022502,7210418845
SP-1WT 1000 (Ø850)1000 850200020502,7208419122
SP-1WT 12001200 850225023002,9225419351
SP-1WT 150015001000232023803,2330419123
SP-1WT 200020001100235024005,0380419352

*Dimensions excluding insulation.

 

TypeSystem
connections
Distance from floor to connections
A
[mm]
B
[mm]
C
[mm]
D
[mm]
E
[mm]
F
[mm]
K
[mm]
L
[mm]
SP-1WT 3008210310590750 88012601360
SP-1WT 5008180280600720770101013301430
SP-1WT 6008180280730880980128017301830
SP-1WT 7508270370690 890 940110014201520
SP-1WT 8508270370740 920 970120015701670
SP-1WT 1000 (Ø790)827037082010101095137018201920
SP-1WT 1000 (Ø850)830540579010051075122016051705
SP-1WT 1200830540585510451195140518551955
SP-1WT 1500834044089010401230144018901990
SP-1WT 2000835045090012001310145019002000

 

SpecificationsSP-1WT 300 – 600 
300500600 
Total heat loss (EN 12897) [W]106,6137,3148 
Energy labelDDn/a 

 

SpecificationsSP-1WT 750 – 2000
7508501000 (Ø790)1000 (Ø850)120015002000
Total heat loss (EN 12897) [W]156,8165,5172,2176,3191,7226,7296,2
Energy labeln/an/an/an/an/an/an/a

n/a = not applicable.

Accessories
Accessories
for water storage Systems
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