SWWS 404.2

Article Number 15211301

Hot water tank SWWS 404.2
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.  

Storage volume according to ERP: 373 litres
Nominal capacity: 339 litres
Heating water connection: R 1 1/4"
Cold water connection: 1 1/4"
Smooth-tube heat exchanger: 3.50 m² (heating water circuit) - 1.62 m² (solar circuit)
Weight: approx. 190 kg incl. insulation
Dimensions of the device (Ø x H): 750 x 1640 mm incl. insulation
tilting dimension: 1720 mm with insulation
colour: silver grey

Additionally included in delivery:

  • protective anode

optionally available:

  • electric heating element 2/4/6 kW
Article Number 15211301
Equipment designation SWWS 404.2
Energy efficiency class B
Standing loss 64
Hot water storage tank volume 373
Energylabel EN

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