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Enameled Potable Water Tanks

ESRS 400 · white · Energy efficiency class: B

Efficiency Class B

ESRS Type 400 White PUR · Solar Tanks - energy efficiency class: B

Item No. 823401w

  • Insulated at the factory
heat loss
68 W
Standby loss
1.63 kWh/24 h
ErP Volume
395
Weight
162 kg
Tank 823401w In stock

As of Oct 28, 2026

Request for 823401w Energy Label (PDF)

EAN 4250659512966

Average of ESRS Type 400 White PUR

Dimensions and weights

H 1,750 Ø 755
Ø with insulation
755 mm
Height including insulation
1,750 mm
tilt height
1,800 mm
Weight
162 kg

Connections

No connections have been specified for this tank yet.

Technical Specifications

Volume

nominal capacity
395

heat exchanger

Heat exchanger Bottom Surface
1.8 m²
Heat exchanger Top Surface
1.1 m²
WT Content at the bottom
12.6
Heat exchanger Top Capacity
7.7
Performance metric below
10
Key performance indicator above
4

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 color
white

Energy (ErP)

ErP Class
B
ErP - Heat loss (W)
68 W
ErP – Heat Loss (kWh)
1.63 kWh
ErP - Contents
395
ErP - Vbu
147

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
395 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
75 mm rigid PU foam insulation
(non-removable)
Insulation color
White
ErP Class
B
ErP - Heat loss (W)
68 W
ErP - Vbu
147 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
1.8 m²
WT Content at the bottom
12.6 L
Heat exchanger Pressure drop at the bottom
110 mbar
Max. Pressure heat exchanger
16 bar
Bottom flange
115 / 180 mm

Dimensions with insulation

  • 755 x 1750 (Ø x H) mm
Manufacturer
Juratherm GmbH
Match code
ESRS 400 PUR white
Weight
~162 kg
Tilt height
1800 mm
EAN13
4250659512966