Riello 46662X Installation, Use And Maintenance Instructions page 28

2.4 Overall dimensions
BURNER A
DB9 1950 912
FLANGE DIMENSIONS - DB 9
Air duct connection
4 7 0
4 0 0
1 1
1 8 0 1 8 0
2 2 0 2 2 0
Fig. 4
6
A
G
N
F
B C D E
916 413 655
Fixing to the boiler
420 DB 9
465 DB112
D3972
Fig. 5
CHAPTER
E
O
F G H
851 1236 550
4 3 0
D3973
2
Burner description
C
L M
I
S8872
I L M N
312 357 559 208
Gas supply
1 6 0
DN 80
D3974
Fig. 6
Fig. 3
O
477