Instruction manual

Fi d b b il & h B il M l
Fi
nne
d
co
pp
er tu
b
e gas
b
o
il
ers
&
water
h
eaters –
B
o
il
er
M
anua
l
5
F
F
Figure 2 Vertical venting using a masonry chimney system and inside air
Figure 3 Horizontal venting using inside air
305 TO 457
127 TO 254
VENT PIPE DIAMETER
5" TO 10"
12" TO 18"
MINIMUM VERTICAL RISE
OFF THE TOP OF UNIT "A"
IN. mm FT mm
12"
24"
305
610
1.5 FT 0.5 m
1/4 IN. PER F00T 20 mm/m
Table 2