Overview of benefits
Steel buffer cylinder with quality certificate
Eight 1 ½” connections and four ½” connections in the cylinder wall
Low heat losses due to 100 mm of high-grade thermal insulation
Removable thermal insulation for easier transport into the installation room
5 year statutory warranty on the floor standing cylinder
2 years on electrical and moving parts
SPU-2 up to 5000 litres
Model type
SPU-2
2000
3000
4000
5000
General data
Cylinder volume
litres
1950
2700
3950
4950
Standby heat loss
kWh/24 h
4.28
-
-
-
Connections (5 pce)
Rp
-
-
-
-
Connections (8 pce)
Rp
2“
2“
2“
2“
Sensor well
Rp
-
-
-
-
Thermometer (4 pce)
Rp
½“
½“
½“
½“
Venting
Rp
1¼“
1¼“
1¼“
1¼“
Drain
Rp
-
-
-
-
Indirect coil connection
Rp
-
-
-
-
Indirect coil surface area
m²
-
-
-
-
Indirect coil capacity
litres
-
-
-
-
Max. operating pressure primary / secondary
bar
- / 3
- / 3
- / 3
- / 3
Max. operating temperature primary / secondary
°C
- / 95
- / 95
- / 95
- / 95
Dimensions
Connection / thermometer / sensor strip
A mm
395
435
490
510
Connection / thermometer / sensor strip
B mm
950
995
1050
1135
Sensor well
C mm
-
-
-
-
Connection / thermometer / sensor strip
C mm
1510
1555
1610
1760
Connection / thermometer / sensor strip
D mm
2070
2115
2170
2390
Indirect coil return
E mm
-
-
-
-
Indirect coil flow
F mm
-
-
-
-
Height excl. thermal insulation / air vent valve
G mm
2400
2480
2590
2830
Height including thermal insulation
H mm
2480
2560
2670
2910
Diameter including thermal insulation
I mm
1300
1450
1700
1800
Diameter excl. thermal insulation
J mm
1100
1250
1500
1600
Drain
K mm
-
-
-
-
Height when tilted, including thermal insulation
mm
2800
2950
3150
3400
Height when tilted, excl. thermal insulation
mm
2550
2650
2850
3100
Weight
SPU-2
kg
253
298
486
603