Model identifier(s):
Gastype:
Indirect heating functionality
Direct heat output
Indirect heat output
Space heating emissions NO
Heat output
Nominal heat output
Minimum heat output (indicative)
Technical data
Nominal heat input (Hs)
Nominal heat input (Hi)
Consumption max
Consumption min
Burner pressure max
Burner pressure min
Main burner injector
Low setting injector
Efficiency class (EN613)
Useful efficiency (NCV)
Useful efficiency at nominal heat output
Useful efficiency at minimum heat output (indicative)
Auxiliary electricity consumption
At nominal heat output
At nominal heat output
In standby mode
Permanent pilot flame power requirement
Pilot flame power requirement (if applicable)
Energy efficiency
Energy efficiency index
Energy efficiency class
Two or more manual stages, no room temperature control
With electronic room temperature control plus week timer
* This appliance is suitable for G25.3 with the composition according NTA 8837.
**These functions only apply in combination with the separately available "Eco control pack".
Symbol
x
P
nom
P
min
η
th,nom
η
th,min
el
max
el
el
P
pilot
EEI
Type of heat output / room temperature control
Single stage heat output, no room temperature control
With mechanic thermostat room temperature control
With electronic room temperature control
With electronic room temperature control plus day timer
Other control options (multiple selections possible)
Room temperature control, with presence detection
Room temperature control, with open window detection
With distance controle option
NL‐31‐01/Style 31‐01
G25/
G20
G31
G25.3*
No
No
No
2,8
2,9
2,9
‐
‐
‐
88,8
106,4
102,6
2,8
2,9
2,9
0,8
0,8
1,0
3,5
3,6
3,5
3,2
3,2
3,2
372
339
130
103
94
43
17,4
13,9
25,1
0,9
0,8
2,1
1,45
1,45
1,00
0,65
0,65
0,50
1
1
1
88,8
89,2
89,6
87,9
87,8
86,9
‐
‐
‐
‐
‐
‐
min
‐
‐
‐
SB
‐
‐
‐
89
89
90
A
A
A
16
NL‐51
G25/
G20
G31
G25.3*
No
No
No
5,6
5,9
6,0
‐
‐
‐
mg/kWh
63,7
76,0
89,5
5,6
5,9
6,0
1,4
1,5
1,9
7,0
7,3
7,3
6,3
6,6
6,7
752
683
272
196
184
90
12,5
9,9
17,4
0,7
0,6
1,6
2,25
2,25
1,55
1,00
1,00
0,80
1
1
1
88,7
89,1
89,5
87,0
86,8
86,9
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
‐
89
89
90
A
A
A
Unit
kW
kW
input
(GCV)
kW
kW
kW
kW
l/h
l/h
mbar
mbar
mm
mm
%
%
kW
kW
kW
kW
No
No
Yes
Yes**
Yes**
Yes**
Yes**
Yes**
Yes**