18
General
INSTALLATION INSTRUCTIONS
NOTICE:
The National Fuel Gas Code (NFGC) and CAN/CSA B149.1 mandate a manual gas
shut-off valve. See NFGC/B149.1 for complete instructions. Local codes or plumbing authority
requirements may vary from the instructions or diagrams provided and take precedence over
these instructions.
Typical Installation of Direct-Vent Water Heater (Venting Required)
Water Heater Installation
1/4" Per Foot Downward
Slope (recommended)
Wall Plate
90° Elbow
Vent Termination
With Protective
Screen
Built In Condensate Collector
Condensate
Trap
Manual Gas Supply
Line Shut-Off Valve
Union
Sediment Trap
Cap
Cold Water Supply
Shut-Off Valve
Manual Gas
Shut-Off Valve
Water
Filter
Power
Supply
Cord
To Hot Water
Faucet(s)
Union
Service
Valve
Relief
Valve
Drain
Valve
6"(150 mm)
Air Gap
Discharge Line (To Suitable Drain)
Outside Wall
To Drain: Dispose of condensate in
accordance to local codes.
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