VST VRP-150 - Connecting the Vent Clip; Vent Termination

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Installing a Vent (For indoor installation only)
Connecting the Vent Clip
Caution
To connect the exhaust vent firmly, must use the vent clip
included with water heater.
To connect the vent clip:
1
Connect the vent clip to the exhaust vent.
2
Connect the exhaust vent and the vent clip to the flue
connector.
3
Tighten the screws and fix the vent clip.
Vent Termination
Caution
• Air intake must be protected from any debris.
• When connecting to the air intake connector and exhaust
flue connector, all connecting parts must be installed
properly.
• Maintain 12" (300 mm) min. (18" (450 mm) min. for Canada)
clearance above highest-anticipated snow level. Maximum
of 24" (600 mm) above roof.
• Install a bird screen at the end of the intake air pipe and
exhaust pipe.
Determine what type of vent termination is appropriate for the
installation location and situation before installing the water heater.
The following subsections describe some venting configurations,
but do not include all possible options.
Single-pipe sidewall venting
3
Schedule 40 PVC Pipe
10" (254 mm) min.
12" (300 mm) min.
Caution
• Maintain 12" (300 mm) min. (18" (450 mm) min. for Canada)
clearance above highest-anticipated snow level. Maximum
of 24" (600 mm) above roof.
• Install a bird screen at the end of the intake air pipe and
exhaust pipe.
Notice
Single-pipe venting requires that adequate combustion air be provided
in end-use installations per NFPA 54 C.9.3.2.
Two-pipe sidewall venting
Internal view
Intake air
Exhaust gas
10" min.