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buffer tank

JPSM 300 · without insulation

JPSM Type 300 · High-Performance Buffer Tanks

Item No. 110300

  • Tanks without insulation
nominal capacity
279
Ø without insulation
550 mm
Height
1,350 mm
Weight
55 kg
Tank 110300 Delivery time: approx. 4–6 weeks

As of Oct 28, 2026

Request for 110300

EAN 4250659500291

Average of JPSM Type 300

Dimensions and weights

H 1,350 Ø 550 I H G F E
Ø without insulation
550 mm
Height
1,350 mm
tilt height
1,385 mm
Installation dimensions
610 mm
Weight
55 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 Sensor for Connection 1 220 mm ½" Female thread 89.53°
F Connection 2 470 mm 1½" Female thread 20.8°
F Connection 2 470 mm 1½" Female thread 120.8°
F sensor sleeve Sensor for Connection 2 470 mm ½" Female thread 89.53°
G Connection 3 800 mm 1½" Female thread 20.8°
G Connection 3 800 mm 1½" Female thread 120.8°
G sensor sleeve Sensor for Connection 3 800 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 Sensor for connection 4 1,120 mm ½" Female thread 89.53°
I Top connection 1,350 mm 1½" Female thread 0°

Technical Specifications

Volume

nominal capacity
279

Print

Operating pressure of storage tanks
4.5 bar
Test pressure of the storage tank
7.8 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
279 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

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)

The system connection ports are spaced 100° apart. Dimensions without insulation: 550 x 1350 (Ø x H) mm

Manufacturer
Juratherm GmbH
Match Code
JPSM 300
Weight
~55 kg
Tilt height
1385 mm
EAN13
4250659500291

Product video

JPSM 300 in motion