buffer tank
JPSR 300 · without insulation
JPSR Type 300 · High-Performance Solar Buffer Tanks
Item No. 111300
- nominal capacity
- 270
- Ø without insulation
- 550 mm
- Height
- 1,350 mm
- Weight
- 77 kg
Tank 111300 Delivery time: approx. 4–6 weeks
As of Oct 28, 2026
EAN 4250659500529
Dimensions and weights
- Ø without insulation
- 550 mm
- Height
- 1,350 mm
- tilt height
- 1,385 mm
- Installation dimensions
- 610 mm
- Weight
- 77 kg
Connections
Letters as shown in the illustration
| Letter | connection | Height | Size | Thread | Angle |
|---|---|---|---|---|---|
| E | Connection 1 | 220 mm | 1½" | Female thread | 20.8° |
| E | Connection 1 | 220 mm | 1½" | Female thread | 120.8° |
| E | sensor sleeve | 220 mm | ½" | Female thread | 89.53° |
| K | Heating Return Index RL | 220 mm | 1¼" | Female thread | 52.07° |
| F | Connection 2 | 470 mm | 1½" | Female thread | 20.8° |
| F | Connection 2 | 470 mm | 1½" | Female thread | 120.8° |
| F | sensor sleeve | 470 mm | ½" | Female thread | 89.53° |
| J | Heating flow line Index flow | 660 mm | 1¼" | Female thread | 52.07° |
| G | Connection 3 | 800 mm | 1½" | Female thread | 20.8° |
| G | Connection 3 | 800 mm | 1½" | Female thread | 120.8° |
| G | sensor sleeve | 800 mm | ½" | Female thread | 89.53° |
| H | Connection 4 | 1,120 mm | 1½" | Female thread | 20.8° |
| H | Connection 4 | 1,120 mm | 1½" | Female thread | 120.8° |
| H | sensor sleeve | 1,120 mm | ½" | Female thread | 89.53° |
| I | Top connection | 1,340 mm | 1½" | Female thread | 0° |
Technical Specifications
Volume
- nominal capacity
- 270
heat exchanger
- Heat exchanger Bottom Surface
- 1.2 m²
- Operating pressure of storage tanks
- 4.5 bar
- Test pressure of the storage tank
- 7.8 bar
- Max. Pressure heat exchanger
- 6 bar
Miscellaneous
- Installation dimensions
- 610 mm
specification text
ENERGY BUFFER TANK
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
- 270 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
- 1.2 m²
- Max. Pressure heat exchanger
- 6
Features
- 4 x 1½" sockets (system connection on the left)
- 4 x 1½" sockets (system connection on the right)
- System connections, including layer baffle plate
- 1 x 1½" socket (air vent)
- 4 x ½" sockets (standard sockets)
- 2 x 1" Socket (heat exchanger)
The system connection ports are spaced 100° apart. Dimensions without insulation: 550 x 1350 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- JPSR 300
- Weight
- ~77 kg
- Tilt height
- 1385 mm
- EAN13
- 4250659500529
Product video
JPSR 300 in motion
