Rinnai M060C Installation And Operation Manual page 34

12 in. (0.30 m)
minimum
Exhaust
12 in. (0.30
m) minimum
above
combustion
air opening
Roof
•
2 in. PVC
Vent Sizes
•
2 in. (60 mm) PP
Boiler Model
M060C
Number
Vent Lengths 60 ft (18 m)
•
45° elbow is equivalent to 3 ft (1 m)
•
90° elbow is equivalent to 6 ft (2 m)
Vent length includes the additional venting, fittings and terminations.
ACCEPTABLE
90° Elbows, Long Sweep
34
12 in. (0.30 m) minimum
Combustion
12 in. (0.30
m) above
grade or
anticipated
snow level
M090C, M120C, M160C
30 ft (9 m)
ACCEPTABLE
90° Elbows, Short Sweep
Rinnai M-Series Condensing Boiler Combi Manual
Horizontal Vent and
Combustion Air Piping
Air
Exhaust
12 in. (0.30 m)
minimum
12 in. (0.30 m) above
grade or anticipated
snow level
Combustion air termination not permitted in
shaded area
•
3 in. PVC
•
3 in. (80 mm) PP
M060C M090C, M120C, M160C
150 ft (46 m)
NOT ACCEPTABLE
90° Elbows, Close Turn
Wall
Exhaust
Zone
Combustion
Air
140 ft (43 m)