Rheem RTG-66DV Water Heater User Manual


 
22
Installing the water heater:
Typical Installation of Water Heater
(Venting Required)
Wall Plate
Outside Wall
Outside Wall
With Protective
Vent Termination
Screen
94° Elbow
Vent Adapter
Power
Supply
Cord
7/8” Per Foot Downward Pitch
Discharge
Line
(To Suitable Drain)
To Hot Water
Faucet(s)
Relief
Va lve
Union
Drain Valve
Cold Water
Supply
Shut-of
Va lve
Check
Va lve
Water Filter
Drain
V
alve
Drain
Hose
(To Suitable Drain)
Manual Gas
Appliance
Shut-off
(supplied)
Sediment
Tr ap
Manual
Gas Supply Line
Shut-off
Va lve
Union
Cap
6” (15 cm) Air Gap
NOTICE: The National Fuel Gas Code (NFGC) and B149 mandates a manual gas shut-off valve: See
NFGC/B149 for complete instructions. Local codes or plumbing authority requirements may vary from
the instructions or diagrams provided and take precedent over these instructions.
Vacuum Relief Valve
(Not Supplied)
If required, install per local codes
and valve manufacturer’s
instructions.
Water Inlet
Water
Outlet
Drain
Pressure Relief
Valve
Hot Water Service
Valve
Cold Water
Service Valve
Alternate Water Piping Arrangement
with Optional Valve Kit
¥F
PRIORITY
POWER
ON/OFF
Remote
Control