
ELK 26
Model
Yes
No
Condensing boiler
Yes
No
Low-temperature boiler
Yes
No
B11 boiler
Yes
No
Cogeneration space heater
Yes
No
Combination heater
%
36.9
ƞ
s
Seasonal space heating energy efficiency
kW
26
Prated
Rated heat output
For boiler space heaters and boiler combination heaters: Useful efficiency
For boiler space heaters and boiler combination heaters: Useful heat
output
%
40
ƞ
4
At rated heat output and high-temperature re-
gime
kW
26
P
4
At rated heat output and high-temperature re-
gime
%
ƞ
1
At 30 % of rated heat output and low-temperat-
ure regime
kW
P
1
At 30 % of rated heat output and low-temperat-
ure regime
Other items
Auxiliary electricity consumption
kW
0.2
P
stby
Standby heat loss
kW
elmax
At full load
kW
P
ign
Ignition burner power consumption
kW
elmin
At part load
kWh
58,674
Q
HE
Annual energy consumption
kW
0.01
P
SB
Standby mode
dB
35
L
WA
Sound power level, indoors
For combination heaters
%
ƞ
wh
Water heating energy efficiency
Declared load profile for water heating
kWh
Q
fuel
Daily fuel consumption
kWh
Q
elec
Daily energy consumption
GJ
AFC
Annual fuel consumption
kWh
AEC
Annual energy consumption
NIBE ELK 26 | GB
26