buffer tank
JPSW 900 · G10 · Ecoline Vlies silver
Efficiency Class C
JPSW Type 900 - G10, assembled, silver · Includes 100 mm fleece insulation
Item No. 840446
- heat loss
- 141 W
- Standby loss
- 3.38 kWh/24 h
- ErP Volume
- 887
- Weight
- 122 kg
As of Oct 28, 2026
EAN 4250659515059
Dimensions and weights
- Ø with insulation
- 990 mm
- Ø without insulation
- 790 mm
- Height including insulation
- 2,090 mm
- Height without insulation
- 2,040 mm
- tilt height
- 2,085 mm
- Weight
- 122 kg
- Insulation thickness
- 100 mm
Connections
No connections have been specified for this tank yet.
Technical Specifications
Volume
- nominal capacity
- 887
- Operating pressure of storage tanks
- 4.5 bar
- Test pressure of the storage tank
- 7.8 bar
insulation
- Insulation thickness of the jacket (assembled)
- 100 mm
- Insulation thickness of the jacket (raw)
- 115 mm
- Insulation thickness of the lid
- 100 mm
- Insulation color
- silver
- Lambda
- 0.0388 W/mK
- Bulk density
- 1800 g/m²
- Fire rating
- B2 according to DIN 4102
Energy (ErP)
- ErP Class
- C
- ErP - Heat loss (W)
- 141 W
- ErP – Heat Loss (kWh)
- 3.38 kWh
- ErP - Contents
- 887
specification text
JPSW JPSW ENERGY BUFFER TANK, incl. insulation
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 anti-corrosion coating; interior left unfinished. Includes a sensor core tube for variable positioning of the sensors within the tank’s fluid.
- Nominal capacity
- 887 L
- Max. operating pressure of the storage tank
- 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
Features
- 5x 2" socket (system connection on the left)
- 5x 2" socket (system connection on the right)
- System connections at the top and bottom
- Equipped with a miter pipe for
- Klöpper bottom oriented toward the
- Flow stabilization and
- Volume utilization
- 1 x 1½" socket (air vent)
- 4 x ½" socket (thermometer)
- 1 x " socket (drain)
- 1 x 1" socket (for 2.5-conductor system)
The system connection ports are spaced 90° apart.
Insulation Details
- Material
- Polyester fiber nonwoven
- Insulation color
- Silver
- Insulation thickness of the jacket (assembled)
- 100 mm
- Lambda
- 0.0388 W/mK
- Fire rating
- B2 according to DIN 4102
- Temperature Resistance
- 110 °C
- Bulk density
- 1800 g/m²
- Includes 50 mm floor insulation
- ErP Class
- C
- ErP - Heat loss (W)
- 141 W
Dimensions with insulation
- 990 x 2090 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- JPSW 900 G10 silver
Assembly consisting of
- JPSW Type 900 - G10
- Fleece insulation Type 900
- Weight
- ~122 kg
- Tilt height
- 2085 mm
- EAN13
- 4250659515059
Composition
- 178900 JPSW Type 900 - G10 tank · High-Performance Buffer Tanks
- 9727900 Fleece insulation Type 900 insulation · JPSW 100mm Silver
Product video
JPSW 900 · G10 in motion
Downloads
Energy label required only for tanks up to 500 liters