buffer tank
JPSLRR 825 · without insulation
JPSLRR Type 825 V2 · Buffer tank with stratification charging system and 2 heat exchangers.
Item No. 158825
- nominal capacity
- 680
- Ø without insulation
- 790 mm
- Height
- 1,693 mm
- Weight
- 181 kg
As of Oct 28, 2026
EAN 4250659506262
Dimensions and weights
- Ø without insulation
- 790 mm
- Height
- 1,693 mm
- tilt height
- 1,711 mm
- Weight
- 181 kg
Connections
No connections have been specified for this tank yet.
Technical Specifications
Volume
- nominal capacity
- 680
heat exchanger
- Heat exchanger Bottom Surface
- 2.8 m²
- Heat exchanger Top Surface
- 1.8 m²
- WT Content at the bottom
- 19.6
- Heat exchanger Top Capacity
- 11.8
- Heat exchanger Pressure drop at the bottom
- 248 mbar
- Heat exchanger Pressure Loss (Top)
- 74 mbar
- Operating pressure of storage tanks
- 4.5 bar
- Test pressure of the storage tank
- 7.8 bar
- Max. Pressure heat exchanger
- 6 bar
specification text
ENERGY BUFFER TANK with 2 heat exchangers and a stratification charging system, resulting in significantly improved stratification behavior
Buffer tank for all hot water central heating systems. Suitable for: solid fuel and oil-fired boilers, heat pumps, solar systems, and gas or electric instantaneous water heaters. Manufactured from high-quality S235JR steel in accordance with EN 10025 and EC Directive 97/23/EC; exterior with anti-corrosion coating, interior left unfinished. Includes a sensor terminal strip for variable positioning of the sensors.
- Nominal capacity
- 680 L
- Operating pressure of storage tanks
- 4.5 bar
- Test pressure of the storage tank
- 7.8 bar
- Minimum pressure in the storage tank
- +0 bar
- Max. operating temperature
- 95°C
- Min. temperature
- 20 °C
- Heat exchanger Top Surface
- 1.8 m²
- Heat exchanger Top Capacity
- 11.8 L
- Heat exchanger Pressure Loss (Top)
- 74 mbar
- Heat exchanger Bottom Surface
- 2.8 m²
- WT Content at the bottom
- 19.6 L
- Heat exchanger Pressure drop at the bottom
- 248 mbar
- Max. Pressure heat exchanger
- 6 bar
Features
- 1 x 1½" socket (air vent)
- 5 x 1 ½ " socket (system connection on the left)
- 5 x 1 ½ " socket (system connection on the right)
- 2 x deflector plates
- 2 x mitered pipe DN 40
- 2 x return layer ducts
- 5 x ½" sockets (standard sockets)
- 1 x perforated sheet, 50%
- 4 x 1" Socket (heat exchanger)
The system connection ports are spaced 100° apart. Dimensions without insulation: 790 x 1690 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- JPSLRR 825
- Weight
- ~206 kg
- Tilt height
- 1740 mm
- EAN13
- 4250659506262
Product video
JPSLRR 825 in motion