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INSTALLATION INSTRUCTIONS
General
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
To Hot Water
Faucet(s)
Drain Valve
Wall
Plate
(Recommended)
Water
Filter
Cold Water Supply
Shut-O Valve
Power
Supply
Cord
Union
Union
Union
Manual Gas
Supply Line
Shut-O Valve
Downward Slope to
outside termination
Downward Slope to
outside termination
Manual Gas
Shut-O Valve
(Supplied)
Cap
Sediment Trap
Outside
Wall
90˚
Elbow
Service
Valve
Service
Valve
Relief
Valve
Relief
Valve
(Supplied)
*Note: A exible drain tube can be used
To
Suitable
Drain
To
Suitable
Drain
Condensate
Drain*
Air Intake Pipe
Exhaust Vent Pipe
Water Heater Installation (cont.)
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