buffer tank
EWPS 400 · silver
Efficiency Class C
EWPS 400 · Heat Pump Buffer Tank
Item No. 170400
- heat loss
- 106 W
- Standby loss
- 2.54 kWh/24 h
- ErP Volume
- 396
- Weight
- 120 kg
Tank 170400 Delivery time: approx. 3–4 weeks
As of Oct 28, 2026
EAN 4250659509621
Image to follow in higher resolution
Dimensions and weights
- Ø with insulation
- 700 mm
- Height including insulation
- 1,650 mm
- tilt height
- 1,825 mm
- Weight
- 120 kg
- Insulation thickness
- 50 mm
Connections
No connections have been specified for this tank yet.
Technical Specifications
Volume
- nominal capacity
- 396
- Operating pressure of storage tanks
- 3 bar
- Test pressure of the storage tank
- 4.5 bar
insulation
- Insulation thickness of the jacket (assembled)
- 50 mm
- Insulation color
- silver
- Fire rating
- B2 according to DIN 4102
Energy (ErP)
- ErP Class
- C
- ErP - Heat loss (W)
- 106 W
- ErP – Heat Loss (kWh)
- 2.54 kWh
- ErP - Contents
- 396
specification text
Heat Pump Buffer Tanks
Buffer tank ideally suited for heat pumps with generous system connections, including a stratification baffle. Manufactured from high-quality S235JR steel in accordance with EN 10025 and Directive 97/23/EC. Exterior finished with a silver Skymantel coating; interior is unfinished.
- Nominal capacity
- 396 L
- Max. operating pressure of the storage tank
- 3 bar
- Test pressure of the storage tank
- 4.5 bar
- Minimum pressure in the storage tank
- +0 bar
- Max. operating temperature
- 95°C
- Min. temperature
- 20 °C
- (with dew point monitoring at 16°C)
Features
- 4 x 2½" sockets (system connection on the left)
- 4 x 2½" sockets (system connection on the right)
- System connections, including layer baffle plate
- 3 x ½" sockets (standard sockets)
- 1 x 1" socket (air vent)
- 1 x 1" socket (drain)
- 50 mm rigid PU foam insulation
- Insulation color
- Silver
- ErP Class
- C
- ErP - Heat loss (W)
- 106 W
The system connection ports are arranged at 90° intervals from one another. Dimensions with insulation: 700 x 1650 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- EWPS 400
- Weight
- ~120 kg
- Tilt height
- 1825 mm
- EAN13
- 4250659509621