Combi Boiler ATMOS DC 25SP - with an extraction ventilator

Combi Boiler ATMOS DC 25SP - with an extraction ventilator

NN: 15345
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Cost: Individual calculation
(After placing your order we will send you a non-binding offer containing delivery costs.)
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Heating power range:
- wood:
17 - 25 kW
- pellets:
6 - 20 kW

Construction: steel boiler

- 3 years for the boiler installed with Laddomat or thermoregulator valve TV and accumulation tank
- 2 years without accumulation tank and Laddomat

The series of combi boilers facilitates the burning of wood on the principle of generator gasifying in combination with a burner for pellets.

The boiler is equipped with a gas exhaust ventilator, which automatically switches off when the fuel burns out.


You can heat by wood or pellets.

Advantages of the ATMOS EP Combi boilers:

  • High effectiveness in both kinds of fuels

  • One chimney and flue pipe

  • Ecological operation

ATMOS boilers must be connected to the LADDOMAT 21 or ESBE TV thermoregulation valve to achieve and keep the minimum
temperature of water returning to the boiler at 65°C. The temperature of water exiting the boiler must be permanently kept between 80 – 90°C.

The default configuration of the boiler includes a cooling circuit to prevent overheating. You just need to buy the thermal release valve Watts STS 20.

We recommend installing these boilers with accumulation tanks.

Product specification

Power output 25 kW
Exhaust gas pipe diameter 150 mm
Weight 506 kg
Efficiency 86 %
Ecodesign yes
Water capacity 109 L
Height 1695 mm
Width 678 mm
Exhaust pipe distance measured from the floor to its axis. 1375 mm
Depth with exhaust pipe 957 mm
Max. length of wood 530 mm
Outlet and inlet size 6/4 inch


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