buffer tank
JPSLR 825 · Neodul® silver
Efficiency Class B
JPSLR Type 825 V2, assembled, silver · Includes 130 mm Neodul® insulation
Item No. 840367
- heat loss
- 83 W
- Standby loss
- 1.99 kWh/24 h
- ErP Volume
- 718
- Weight
- 256 kg
As of Oct 28, 2026
EAN 4250659510443
Dimensions and weights
- Ø with insulation
- 1,050 mm
- Ø without insulation
- 790 mm
- Height including insulation
- 1,790 mm
- Height without insulation
- 1,693 mm
- tilt height
- 1,740 mm
- Weight
- 256 kg
- Insulation thickness
- 130 mm
Connections
No connections have been specified for this tank yet.
Technical Specifications
Volume
- nominal capacity
- 694
heat exchanger
- Heat exchanger Bottom Surface
- 2.8 m²
- WT Content at the bottom
- 19.6
- Heat exchanger Pressure drop at the bottom
- 248 mbar
- Operating pressure of storage tanks
- 4.5 bar
- Test pressure of the storage tank
- 7.8 bar
- Max. Pressure heat exchanger
- 6 bar
insulation
- Insulation thickness of the jacket (assembled)
- 130 mm
- Insulation color
- silver
- Fire rating
- B2 according to DIN 4102
Energy (ErP)
- ErP Class
- B
- ErP - Heat loss (W)
- 83 W
- ErP – Heat Loss (kWh)
- 1.99 kWh
- ErP - Contents
- 718
specification text
ENERGY BUFFER TANK with 1 heat exchanger, including insulation with 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
- 694 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 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%
- 2 x 1" Socket (heat exchanger)
The system connection ports are spaced 100° apart.
Insulation Details
- Material
- Neodul®
- Insulation color
- Silver
- Fire rating
- B2 according to DIN 4102
- Temperature Resistance
- 110 °C
- ErP Class
- B
- ErP - Heat loss (W)
- 83 W
Insulation thickness of jacket (assembled): 130 mm, 110 mm gray EPS (0.032 W/mK), 20 mm polyester fiber fleece (0.040 W/mK)
Cover thickness 150 mm
- 100 mm EPS, gray, 0.032 W/mK
- 50 mm polyester fiber fleece 0.040 W/mK
Floor insulation made of high-density fleece
- 50 mm polyester fiber fleece 0.033 W/mK
Dimensions with insulation
- 1050 x 1790 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- JPSLR 825 V2, assembled, silver
Assembly consisting of
- JPSLR Type 825 V2
- Neodul Insulation Type 825
- Weight
- ~256 kg
- Tilt height
- 1740 mm
- EAN13
- 4250659510443
Composition
- 157825 JPSLR Type 825 V2 tank · Buffer tank with stratification charging system and 1 heat exchanger.
- 9720825 Neodul Insulation Type 825 insulation · JPSM/R/RR + JPSL/R/RR + EH/S/SS 130 mm silver
Product video
JPSLR 825 in motion
Downloads
Energy label required only for tanks up to 500 liters