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Enameled Potable Water Tanks

ESRS 300 · silver · Energy efficiency class: B

Efficiency Class B

ESRS Type 300 Silver · Solar Tanks - energy efficiency class: B

Item No. 823300

  • Insulated at the factory
heat loss
66 W
Standby loss
1.58 kWh/24 h
ErP Volume
299
Weight
122 kg
Tank 823300 In stock, limited quantity

As of Oct 28, 2026

Request for 823300 Energy Label (PDF)

EAN 4250659508181

ESRS Type 300 Silver

Image to follow in higher resolution

Dimensions and weights

H 1,615 Ø 670
Ø with insulation
670 mm
Height including insulation
1,615 mm
tilt height
1,725 mm
Weight
122 kg
Insulation thickness
60 mm

Connections

No connections have been specified for this tank yet.

Technical Specifications

Volume

nominal capacity
299

heat exchanger

Heat exchanger Bottom Surface
1.4 m²
Heat exchanger Top Surface
1.1 m²
WT Content at the bottom
9.8
Heat exchanger Top Capacity
7.7
Performance metric below
7
Key performance indicator above
3

Print

Heat exchanger Pressure drop at the bottom
110 mbar
Heat exchanger Pressure Loss (Top)
40 mbar
Operating pressure of storage tanks
10 bar
Max. Pressure heat exchanger
16 bar

insulation

Insulation thickness of the jacket (assembled)
60 mm
Insulation color
silver

Energy (ErP)

ErP Class
B
ErP - Heat loss (W)
66 W
ErP – Heat Loss (kWh)
1.58 kWh
ErP - Contents
299
ErP - Vbu
117

Miscellaneous

Bottom flange
115 / 180 mm

specification text

The ESRS is a vertical, indirectly heated solar water storage tank that is enameled inside in accordance with DIN 4753. Suitable for: solid-fuel and oil-fired boilers, solar thermal systems, gas or electric instantaneous water heaters, as well as solar systems. Certified and compliant with EN 12897!

Nominal capacity
299 L
Operating pressure of storage tanks
10 bar
Min. operating pressure of the storage tank
0 bar
Max. operating temperature
95°C
Min. Temperature
4 °C
60 mm rigid PU foam insulation
Insulation color
Silver
ErP Class
B
ErP - Heat loss (W)
66 W
ErP - Vbu
117 L
Heat exchanger Top Surface
1.1 m²
Heat exchanger Top Capacity
7.7 L
Heat exchanger Pressure Loss (Top)
40 mbar
Heat exchanger Bottom Surface
1.4 m²
WT Content at the bottom
9.8 L
Heat exchanger Pressure drop at the bottom
110 mbar
Max. Pressure heat exchanger
16 bar
Bottom flange
115 / 180

Dimensions with insulation

  • 660 x 1590 (Ø x H) mm
Manufacturer
Juratherm GmbH
Match Code
ESRS 300 silver
Weight
~133 kg
Tilt height
1725 mm
EAN13
4250659508181