A.O. Smith 52 - Piping Diagrams; Diagram Legend

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PIPING DIAGRAMS
October 2009 | Printed in U.S.A. | © A. O. Smith For Technical Information and Automated Fax Service, call 800-527-1953 or visit www.hotwater.com. AOSCE61010 | PAGE 1 of 1
A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
NOTES: 1. Preferred piping diagram. 2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the system.
3. Service valves are shown for servicing unit. However, local codes shall govern their usage.
COMMERCIAL ELECTRIC - (1 UNIT)
LEGEND
TEMPERATURE & PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN
FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE
WARNING: THIS DRAWING SHOWS SUGGESTED
PIPING CONFIGUR
ATION AND OTHER DEVICES;
CHECK WITH LOCAL
CODES AND ORDINANCES
FOR ADDITIONAL REQUIREMENTS.
FINISHED FLOOR
HOT WATER
TO FIXTURES
FUSED
DISCONNECT
SWITCH
HOT WATER RETURN
EXPANSION TANK
COLD WATER SUPPLY
PIPE T&P TO
OPEN DRAIN
Printed on 2/8/2018 9:05 AM CT