Article Number 15091901
Hot water storage tank WWS 303.1
with smooth tube heat exchanger
(heating, preparing domestic hot water)
The hot water tanks are enamelled according to DIN 4753 and the smooth pipe registers are specially dimensioned for operation with heat pumps. Very good thermal insulation guarantees low heat losses. The domestic hot water is produced in a continuous flow system.
Suitable for heat pumps up to max. 15 kW heat output.
Storage volume according to ERP: 300 litres
Nominal capacity: 276 litres
Heating water connection: R 1 1/4"
Cold water connection: 1 1/4"
Smooth-tube heat exchanger: 3.5 m²
Weight: approx. 135 kg incl. insulation
Device dimensions (Ø x H): 700 x 1330 mm incl. insulation
tilting dimension: 1500 mm with insulation
colour: silver grey
Additionally included in delivery:
- protective anode
- electric heating element 2/4/6 kW
Possible energy efficiency classes
Space heaters (35° C, 55° C): A+++ to D Ӏ Combined space heaters: A+++ to G Ӏ Combi heaters: A+++ to D Ӏ Hot water preparation: A+ to F Ӏ Combination combi heaters: A+++ to G Ӏ Hot water tanks: A+ to F Ӏ Domestic hot water preparation: A+ to F Ӏ Ventilation: A+ bis G