RBI Dominator Series Installation & Operating Instructions Manual page 5

Vertical Venting using a Masonry Chimney and Inside Air
Figure 2
Horizontal Venting using Inside Air
Figure 3
1.5 FT 0.5 m
F F Finned copper tube gas boilers & water heaters – Boiler Manual Fi d b b il
Table 2
VENT PIPE DIAMETER
mm
IN.
127 TO 254
5" TO 10"
305 TO 457
12" TO 18"
& h B il M
1/4 IN. PER F00T 20 mm/m
MINIMUM VERTICAL RISE
OFF THE TOP OF UNIT "A"
mm
FT
305
12"
610
24"
l
5