Solarbayer domestic hot water tank TWB 400 Bivalent hot water tank for solar



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1.950,01 */pc
incl. VAT 19% for shipping to Germany
plus shipping costs

Scaled prices:
Quantity Price per pc
From 2: -5 % 1.852,51 €


Item number: 100010420
EAN (GTIN): 4067699800027
Item condition: new   
Product weight: approx.  152 kg

In stock, available.

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Short description

Enamelled domestic hot water (DHW) tank
TWB 400 with two large heat exchangers
(bivalent) suitable for the use of solar
systems. In monovalent operation the
two heat exchangers can be connected for
higher efficiency and to increase the
total system efficiency, e.g. for heat
pumps or condensing boilers. The two-
layer enamelling protected by a magnesia
anode is durable and highly resistant.
Standard with thermometer, Cleaning
flange and connection for circulation or
immersion heater. High-quality thermal
foam insulation for low energy loss.

Technical data:
nominal volume: 408 litres
corrosion protection inside: enamelled
corrosion protection outside: priming
height with insulation: 1500 mm
tilted height: 1680 mm
diameter with insulation: 750 mm
weight: 152 kg
max. operating pressure: 6 bar
max. operating temperature: 95 °C

Heat exchangers (heating/solar):
surface top: 0.8 m²
surface bottom: 1.9 m²
capacity top: 4.5 litres
capacity bottom: 12.4 litres
max. operating pressure: 6 bar
max. operating temperature: 95 °C

Connections:
heat exchanger top: 2x DN25 (1")
heat exchanger bottom: 2x DN25 (1")
DHW: 2x DN32 (1 1/4")
thermometer: DN15 (1/2") pre-installed
circulation: DN15 (1/2")
sensors: 2x DN15 (1/2")
anode: DN32 (1 1/4") pre-installed
flange: 2x 180/120mm / bolt circle 150mm
(optional connections for immersion
heaters via flange max. length: 450 mm)

Thermal insulation:
material: PU solid foam
lambda λ: 0.026 W/(mK)
thickness: 60 mm
protective sheath: 5 mm PVC foil silver
fire protection class according to
DIN 4102 for the complete insulation: B2
Standby energy consumption according to
DIN EN 12897:2020-05: 1.69 kWh/24h
standing heat loss: 70 W
energy efficiency class: B

ATTENTION:
yearly maintenance of anode,
retighten flange








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