
31
INSTALLATION INSTRUCTIONS
General
NOTICE:
TheNationalFuelGasCode(NFGC)andCAN/CSAB149.1mandateamanualgasshut-offvalve.
SeeNFGC/B149.1forcompleteinstructions.Localcodesorplumbingauthorityrequirementsmayvaryfromthe
instructionsordiagramsprovidedandtakeprecedenceovertheseinstructions.
TypicalInstallationofDirect-VentWaterHeater
To Hot Water
Faucet(s)
Drain Valve
Wall
Plate
(Recommended)
Water
Filter
Cold Water Supply
Shut-Off Valve
Power
Supply
Cord
Union
Union
Union
Manual Gas
Supply Line
Shut-Off Valve
Downward Slope to
outside termination
Downward Slope to
outside termination
Manual Gas
Shut-Off Valve
(Supplied)
Cap
Sediment Trap
Outside
Wall
90˚
Elbow
Service
Valve
Service
Valve
Relief
Valve
Relief
Valve
(Supplied)
*Note: A flexible drain tube can be used
To
Suitable
Drain
To
Suitable
Drain
Condensate
Drain*
Air Intake Pipe
Exhaust Vent Pipe
WaterHeaterInstallation(cont.)