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12" (300 mm)
minimum
12" (300 mm)
minimum
Terminal positions PVC figure 17
6.7.5
!
WARNING
1"(25mm) minimum clearance
around vent pipe
15"
386mm
10"
254mm
2"
50mm
1"(25mm) minimum clearance
around hot water pipes
Closet installation
38
12" (300 mm)
minimum
EXHAUST
12" (300 mm)
INTAKE
minimum
12" (300 mm)
minimum
Direct vent closet and alcove installation
For closet and alcove installation, CPVC material, instead of PVC, must be used
in a closet/alcove structure. Failure to follow this warning could result in fire,
personal injury, or death.
Rinnai strongly suggests the use of concentric venting for all closet and alcove
installations. For non direct vent room air applications see sections 6.7.6 and
6.7.9.
6"
11"
148mm
268mm
Closed door
1"
25,4mm
2"
50mm
9"
9.8"
229mm
249mm
Fittings or Piping Equivalent PVC
45 degree elbow
90 degree elbow
plastic pipe per foot
concentric vent kit
Equivalent friction loss of PVC/CPVC
1"(25mm) minimum clearance
around vent pipe
10"
254mm
1"(25mm) minimum clearance
around hot water pipes
figure 21
Alcove installation
6"
148mm
15"
386mm
2"
50mm
2"
50mm
9.8"
229mm
249mm
feet
m
3
0.91
6
1.83
1
0.30
3
0.91
table 8
11"
268mm
Open front
6"
152mm
9"
figure 22
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