Installation - A.O. Smith TC-049R3 Service Handbook

See Manual and
Labels For Installation
Clearances
Typical Model
and Rating
Plate Location
Maximum Gas Supply
13.8" w.c. or ½ PSI
Minimum
4.5" w.c. –Natural Gas
11.0" w.c. Propane Gas
Air Is Drawn In For
Combustion. Keep
Area Clean And Free
From Flammables And
Flammable Vapors
Installation Must Follow Local Codes and Instruction Manual Guidelines
A.O. Smith Water Products Company
©2005
RESIDENTIAL GAS AND ELECTRIC WATER HEATER
SERVICE HANDBOOK
INSTALLATION OF RESIDENTIAL GAS WATER HEATER
Exhaust Vent to
Outside of Building
Union
Inner and
Outer Doors –
Reinstall After
Lighting Pilot.
Water
Shut Off
Valve
Union
Temperature And
Pressure Relief
Valve – Do Not
Reuse Old Valve.
Temperature and
pressure relief valve
tube piped to within 6"
of drain.
Thermostat –
Recommending
setting of 125°F.
Safety Pan – Piped to
Drain
5
Expansion Tank
Pressurize to Equal
Supply Water
Pressure
Drain
Technical Training Department
Ashland City, TN