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INSTALLATION INSTRUCTIONS
General
NOTICE:
The National Fuel Gas Code (NFGC) and 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)
To Hot Water
Faucet(s)
Drain Valve
Wall
Plate
Water
Filter
Cold Water Supply
Shut-Off Valve
Power
Supply
Cord
Union
Union
Union
Manual Gas
Supply Line
Shut-Off Valve
Downward Slope
Downward Slope
Manual Gas
Shut-Off Valve
Cap
Sediment Trap
Outside
Wall
91˚
Elbow
Service
Valve
Service
Valve
Relief
Valve
Relief
Valve
*Note: A flexible drain tube can be used
To
Suitable
Drain
To
Suitable
Drain
Condensate
Drain*
Air Intake Pipe
Exhaust Vent Pipe
Water Heater Installation (cont.)