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buffer tank

JPSW 900 · G5 · without insulation

JPSW Type 900 - G5 · High-Performance Buffer Tanks

Item No. 1789001

  • Tanks without insulation
nominal capacity
887
Ø without insulation
790 mm
Height
2,040 mm
Weight
106 kg
Tank 1789001 Delivery time: approx. 6–10 weeks

As of Oct 28, 2026

Request for 1789001

EAN 4250659514168

Average of JPSW Type 900 - G5

Dimensions and weights

H 2,040 Ø 790
Ø without insulation
790 mm
Height
2,040 mm
tilt height
2,074 mm
Weight
106 kg

Connections

No connections have been specified for this tank yet.

Technical Specifications

Volume

nominal capacity
887

Print

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

specification text

JPSW 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 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 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 arranged at 90° intervals from one another. Dimensions without insulation: 790 x 2040 (Ø x H) mm

Manufacturer
Juratherm GmbH
Match Code
JPSW 900 G5
Weight
~106 kg
Tilt height
2074 mm
EAN13
4250659514168

Product video

JPSW 900 · G5 in motion