A.O. Smith DEN, DEL warranty 5621 W. 115TH STREET, ALSIP, IL Phone 800-433-2545 Fax

Models: DEN DEL

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Phone: 800-433-2545 Fax: 800-433-2515

www.hotwater.com e-mail: parts@hotwater.com

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Contents

COMMERCIAL ELECTRIC WATER HEATERS InstallationWiring Diagrams Replacement PartsROUGH-IN DIMENSIONS ROUGH-IN DIMENSIONSRECOVERY CAPACITIES GENERAL SAFETY INSTRUCTIONS FOREWORDINSULATION BLANKETS EXTENDED NON-USE PERIODSCLEARANCES CHEMICAL VAPOR CORROSIONELECTRICAL GENERAL BRANCH CIRCUITWIRING DIAGRAMS Portion of Table 310-18 followsA-8 CIRCUIT FOR DUAL ELEMENT HEATER C-2 CIRCUIT FOR SINGLE ELEMENT HEATERS EQUIPPED WITH HIGH LIMIT CONTROLTEMPERATURE AND PRESSURE RELIEF VALVE TYPICAL PIPING CONNECTIONSDUAL ELEMENTS HEATER SINGLE ELEMENT HEATERTEMPERATURE ADJUSTMENT TEMPERATURE REGULATIONOPERATION FILLINGTROUBLESHOOTING MAINTENANCEANODE ROD MAINTENANCE REPLACEMENT PARTSWATER IS TOO HOT WATER HEATER MAKES SOUNDSWATER LEAKAGE IS SUSPECTED IF YOU CANNOT IDENTIFY OR CORRECT THE SOURCE OF THE MALFUNCTIONLEAKAGE CHECKPOINTS MODELS DEN AND DEL ELECTRIC WATER HEATER LIMITED WARRANTY 5621 W. 115TH STREET, ALSIP, IL Phone 800-433-2545 Fax