21
When such a condition is encountered, local codes or
inspection agency should be consulted to determine which
system is acceptable in your area. These may consist of:
• Installation of a second relief valve set to lower
than the primary safety relief valve.
• An expansion tank of suitable pressure and provision
to avoid water logging.
• Removal of the check valve.
4. Examine the flange area of the elements for gasket
leakage.
• Tighten the bolts or, if necessary, follow the WATER
AND LIME SCALE REMOVAL procedure to replace
the gaskets.
• Refer to “LEAKAGE CHECKPOINTS” on page 22.
IF YOU CANNOT IDENTIFY OR CORRECT THE SOURCE OF
MALFUNCTION
1. Place the water heater electrical switch in the OFF
position
2. Close the supply water inlet valve to the heater.
3. Contact your dealer.
REPLACEMENT PARTS
Replacement parts may be ordered through dealers, authorized
servicers or distributors. Refer to Yellow Pages for where to call
or contact the A.O. Smith Water Products Company, Product
Service Division, 5621 W. 115th Street, Alsip, IL 60803, 1-800-
433-2545 When ordering parts, specify complete model no.,
serial no., (see rating plate), quantity and name of part desired.
Standard hardware items should be purchased locally.
REPLACEMENT PARTS
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