General information
7
STRUCTURE
120 - 140 - 180 models
2
N7
N9
N2
N4
3
4
9
2
1
N3
N1
8
1
7
N6
N8
5
4
6
4
10
N10
250 - 320 - 420 models
N7
N9
N2
N4
3
4
10
2
1
N3
N1
8
1
7
N6
N8
5
4
6
4
11
2
N10
9
1
Door hinges
2
Front door
3
Burner support flange
4
Inspection plugs
5
Control panel (accessory)
6
Smokebox
7
Burner
8
Flame inspection window
9
Primary heat exchanger
10
Insulating casing
11
Flue gas drain fitting
N1
Boiler flow fitting
N2
Boiler return fitting at medium temperature
N3
Instruments fitting
N4
System intake/drain fitting
N5
Safety valve(s) fitting
N6
Bulb-holder pockets
N7
Condensate drain fitting
N8
Control pocket
N9
Boiler return fitting at low temperature
N10
Gas fitting