combi tank
JHKE 825 · Ecoline Vlies silver
Efficiency Class C
JHKE Type 825, assembled, silver · Includes 100 mm fleece insulation
Item No. 840136
- heat loss
- 127 W
- Standby loss
- 3.05 kWh/24 h
- ErP Volume
- 718
- Weight
- 226 kg
As of Oct 28, 2026
EAN 4250659505586
Dimensions and weights
- Ø with insulation
- 990 mm
- Ø without insulation
- 790 mm
- Height including insulation
- 1,790 mm
- Height without insulation
- 1,740 mm
- tilt height
- 1,800 mm
- Weight
- 226 kg
- Insulation thickness
- 100 mm
Connections
No connections have been specified for this tank yet.
Technical Specifications
Volume
- nominal capacity
- 511
- Nominal capacity of the inner tank
- 188
heat exchanger
- Heat exchanger Bottom Surface
- 2.4 m²
- Operating pressure of storage tanks
- 3 bar
- Max. Pressure heat exchanger
- 6 bar
- Operating pressure (inner tank)
- 6 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)
- 127 W
- ErP – Heat Loss (kWh)
- 3.05 kWh
- ErP - Contents
- 718
specification text
Tank-in-tank combi tank with 1WT, including insulation
Buffer tank for all hot water central heating systems. Suitable for: solid-fuel and oil-fired boilers, 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 rust protection; interior uncoated. Drinking water tank interior enameled in accordance with DIN 4753. Includes sensor terminal strip for variable positioning of the sensors.
- Nominal capacity
- 511 L
- Nominal capacity of the inner tank
- 188 L
- Max. operating pressure of the storage tank
- 3 bar
- Test pressure of the storage tank
- 4.5 bar
- Minimum pressure in the storage tank
- +0 bar
- Operating pressure (inner tank)
- 6 bar
- Max. operating temperature
- 95°C
- Min. temperature
- 20 °C
- Heat exchanger Bottom Surface
- 2.4 m²
- Max. Pressure heat exchanger
- 6 bar
Features
- 4 x 1½" sockets (system connection on the left)
- 4 x 1½" sockets (system connection on the right)
- (System connection incl. layer baffle)
- 4 x ½" sockets (standard sockets)
- 1 x " socket (air vent)
- 2 x 1" sockets (hot and cold water)
- 1 x 1" socket (circulation)
- 1 x " socket (domestic water sensor)
- 1 x 1¼" socket (magnesium anode)
- 1 x 1 ½ " socket (electric heater)
- 2 x 1" Socket (heat exchanger)
The system connection ports are spaced 100° 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)
- 127 W
Dimensions with insulation
- 990 x 1790 (Ø x H) mm
- Manufacturer
- Juratherm GmbH
- Match Code
- JHKE 825, assembled, silver
Assembly consisting of
- JHKE Type 825
- Fleece insulation, Type 825
- Weight
- ~226 kg
- Tilt height
- 1800 mm
- EAN13
- 4250659505586
Composition
- 160825 JHKE Type 825 tank · Combi Tank (Tank-in-Tank)
- 9704825 Fleece insulation, Type 825 insulation · JHKE / F / R2 100 mm silver
Product video
JHKE 825 in motion
Downloads
Energy label required only for tanks up to 500 liters