buffer tank
JPSLR 500 · Neodul® silver
Efficiency Class B
JPSLR Type 500 V2, assembled, silver · Includes 100 mm Neodul® insulation
Item No. 840442
- heat loss
- 72 W
- Standby loss
- 1.73 kWh/24 h
- ErP Volume
- 480
- Weight
- 145 kg
As of Oct 28, 2026
EAN 4250659513338
Dimensions and weights
- Ø with insulation
- 850 mm
- Ø without insulation
- 650 mm
- Height including insulation
- 1,730 mm
- Height without insulation
- 1,630 mm
- tilt height
- 1,665 mm
- Weight
- 145 kg
- Insulation thickness
- 100 mm
Connections
Letters as shown in the illustration
| Letter | connection | Height | Size | Thread | Angle |
|---|---|---|---|---|---|
| 1 | Connection 1 Front socket | 220 mm | 1½" | Female thread | 17.63° |
| Connection 1 Rear socket | 220 mm | 1½" | Female thread | 117.63° | |
| 2 | sensor sleeve | 220 mm | ½" | Female thread | 91.19° |
| 18 | Heating Return Return register (1.8 m²) | 220 mm | 1¼" | Female thread | 44.07° |
| 4 | Connection 2 Front socket | 620 mm | 1½" | Female thread | 17.63° |
| Connection 2 Rear socket | 620 mm | 1½" | Female thread | 117.63° | |
| 5 | sensor sleeve | 620 mm | ½" | Female thread | 91.19° |
| 17 | Heating flow line Register Flow (1.8 m²) | 660 mm | 1¼" | Female thread | 44.07° |
| 7 | Connection 3 Front socket | 840 mm | 1½" | Female thread | 17.63° |
| Connection 3 Rear socket | 840 mm | 1½" | Female thread | 117.63° | |
| 8 | sensor sleeve | 840 mm | ½" | Female thread | 91.19° |
| 10 | Connection 4 Front socket | 1,220 mm | 1½" | Female thread | 17.63° |
| Connection 4 Rear socket | 1,220 mm | 1½" | Female thread | 117.63° | |
| 11 | sensor sleeve | 1,220 mm | ½" | Female thread | 91.19° |
| 13 | Connection 5 Front socket | 1,390 mm | 1½" | Female thread | 17.63° |
| Connection 5 Rear socket | 1,390 mm | 1½" | Female thread | 117.63° | |
| 14 | sensor sleeve | 1,390 mm | ½" | Female thread | 91.19° |
| 16 | Top connection Top connection (L=50) | 1,630 mm | 1½" | Female thread | 0° |
Technical Specifications
Volume
- nominal capacity
- 461
heat exchanger
- Heat exchanger Bottom Surface
- 1.8 m²
- WT Content at the bottom
- 12.6
- Heat exchanger Pressure drop at the bottom
- 159 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)
- 100 mm
- Insulation color
- silver
- Fire rating
- B2 according to DIN 4102
Energy (ErP)
- ErP Class
- B
- ErP - Heat loss (W)
- 72 W
- ErP – Heat Loss (kWh)
- 1.73 kWh
- ErP - Contents
- 480
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
- 461 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
- 1.8 m²
- WT Content at the bottom
- 12.6 L
- Heat exchanger Pressure drop at the bottom
- 159 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)
- 72 W
Insulation thickness of jacket (assembled): 100 mm (80 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
- 850 x 1730 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- JPSLR 500 V2 silver
Assembly consisting of
- JPSLR Type 500 V2
- Neodul Insulation Type 500
- Weight
- ~145 kg
- Tilt height
- 1665 mm
- EAN13
- 4250659513338
Composition
- 157500 JPSLR Type 500 V2 tank · Buffer tank with stratification charging system and 1 heat exchanger.
- 9720500 Neodul Insulation Type 500 insulation · JPSM/R/RR + JPSL/R/RR + JH/S/SS 100 mm silver
Product video
JPSLR 500 in motion
