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INSTALLATION
Typical Horizontal Direct Vent System
2, 3 or 4 inch pipe
and fittings
Drain Pan
• Connect 1/2 in. I.D., flexible, PVC (or equivalent material), clear tubing to the
drain port.
NOTICE: The tubing must be of sufficient length to reach a floor drain, outside
the building or other required condensate disposal termination requirements
(Refer to local codes).
• Loop the drain tube so that it has a circular trap and secure the top and bot-
tom of the loop with wire ties or plastic zip ties as shown. DO NOT restrict any
portion of the drain tube. The loop and all sections of the tube must not be
restricted or collapsed.
• Fill drain tube to prevent combustion gases from venting into the home.
• Route the drain tube to a floor drain or outside the building or refer to local
codes for any condensation requirements.
22
Every 3' Max.
Support
Bracket
Water
Heater
1 In. Max.
45° Terminal
Raise horizontal pipe
upward 1/4 in. per foot
(10 mm per m) min.
Wall
Blower Air Inlet
Connection
Drain
Tube
Noise Reducer
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