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

RESIDENTIAL GAS AND ELECTRIC WATER HEATER
STANDARD RESIDENTIAL ELECTRIC WATER HEATERS
SOME MODELS MAY HAVE SIDE OR REAR CONNECTIONS
TEMPERATURE AND
PRESSURE RELIEF VALVE
OPENING MAY BE ON SIDE
OR TOP OF HEATER. DO
NOT REUSE OLD VALVE
UNION
HOT WATER
TO FIXTURES
ELECTRICAL
JUNCTION BOX
ADJACENT
CONDUIT
ENTRANCE
RATING PLATE
WITH MODEL
AND SERIAL
NUMBER
SEE MANUAL
AND LABELS
FOR

INSTALLATION

CLEARANCES
INSTALLATION MUST FOLLOW LOCAL CODES AND INSTRUCTION MANUAL GUIDELINES.
A.O. Smith Water Products Company
©2005
SERVICE HANDBOOK
INSTALLATION
TO †FUSED
ELECTRICAL
SUPPLY
(BREAKER BOX)
UNION
23
COLD WATER
INLET LINE
SHUTOFF
VALVE
†FUSE SHOULD BE RATED
AT AMPERAGE INDICATED
ON RATING PLATE TIMES
125%
INSTALL THERMAL
EXPANSION TANK AFTER
SHUT OFF VALVE. PRE-
PRESSURIZED TO EQUAL
SUPPLY WATER
PRESSURE
DRAIN LINE
ACCESS PANELS – WATER
TEMPERATURE ADJUSTMENT
IS BEHIND THESE PANELS.
RECOMMENDED SETTING IS
125 °
6" AIR GAP
FLOOR
DRAIN
DRAIN VALVE
INSTALL DRAIN PAN TO PREVENT
FUTURE WATER DAMAGE
Technical Training Department
Ashland City, TN