4747
INSTALLATION INSTRUCTIONS
Alternative Vertical Vent Termination
Venting for Direct-Vent Water Heater (cont.)
Alternative vertical vent termination kits are commercially available. Please refer to the instruction sheet packaged with
the kit for complete installation instructions.
WARNING:
Under no circumstances should the exhaust pipe and the air intake pipe be connected together.
Venting
Support Hanger
Adjustable Roof Flashing
Support Clamp
Upward Slope
Air Intake
Pipe
Exhaust Vent
Pipe
Minimum Clearance 18 inches above roof
Concentric Vent Termination
Condensate
Drain
Condensate
Trap*
*Note: Condensate trap should be installed as close as practical to the water heater.
To
Suitable
Drain
A similar condensate trap is allowed as long as it prevents rain, condensate or any
other liquid from entering into the water heater.
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