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buffer tank

JPSD 300/300 · Ecoline Vlies anthracite

Efficiency Class C

JPSD Type 300/300, assembled, anthracite · Includes 100 mm fleece insulation

Item No. 840459

  • Assembled tank
heat loss
127 W
Standby loss
– kWh/24 h
ErP Volume
608
Weight
127 kg
Tank 1813030 Delivery time: approx. 4–6 weeks
Insulation 97283131 In stock
Total Delivery time: approx. 4–6 weeks

As of Oct 28, 2026

Request for 840459

EAN 4250659516520

Average of JPSD Type 300/300, assembled, anthracite

Dimensions and weights

H 1,780 Ø 990
Ø with insulation
990 mm
Ø without insulation
790 mm
Height including insulation
1,780 mm
Height without insulation
1,680 mm
tilt height
2,040 mm
Weight
127 kg
Insulation thickness
100 mm

Connections

No connections have been specified for this tank yet.

Technical Specifications

Print

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
anthracite
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 - Contents
608

specification text

DOUBLE 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 with anti-corrosion coating, interior left unfinished. Includes a sensor terminal strip for variable positioning of the sensors

Nominal Capacity (Top)
304 L
Nominal Capacity (Bottom)
304 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

Upper section features

  • 2 x 1 ½" sockets (system connection on the left)
  • 2 x 1 ½" sockets (system connection on the right)
  • System connections incl.
  • Mitre flow pipe
  • 1 x 1½" socket (air vent)
  • 2 x 1 ½" sockets for electric heating element and
  • Buffer joint
  • 2 x ½" sockets (standard sockets)

Lower section features

  • 2 x 1 ½" sockets (system connection on the left)
  • 2 x 1 ½" sockets (system connection on the right)
  • System connections incl.
  • Mitre flow pipe
  • 1 x 1½" socket (air vent)
  • 2 x 1 ½" sockets for electric heating element and
  • Buffer joint
  • 2 x ½" sockets (standard sockets)

The system connection ports are spaced 180° apart.

Insulation Details

Material
Polyester fiber nonwoven
Insulation color
anthracite
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

Dimensions with insulation

  • 990 x 1780 (Ø x H) mm
Manufacturer
Juratherm GmbH
Match Code
JPSD300/300, assembled
Anthracite

Assembly consisting of

  • JPSD Type 300/300
  • Fleece insulation, Type 300/300
Weight
~127 kg
Tilt height
2040 mm
EAN13
4250659516520

Composition

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Energy label required only for tanks up to 500 liters