A.O. Smith GAHH-50, GAHH-40, 315456-002 Repair Parts List, Repair Parts Illustration

Page 34

REPAIR PARTS ILLUSTRATION

When ordering repair parts always give the following information:

1.Model, serial, and product number

2.Type of gas

3.Item number

4.Parts description

18

9

10

8

3

4

7

6

1

2

5

20 19

Repair Parts List

Item

Parts Description

No.

 

1Draft Hood

2Flue Baffle

3Nipple (Hot)

4Nipple (Cold)

5Anode Rod

6Cold Water Inlet Tube

7Temperature and Pressure Valve

8Control Display

9Air Intake Chamber

10Gas Control Valve/Thermostat

11Drain Valve

21

12

14

11

12*

Natural Gas Burner

13*

Hot Surface Igniter (HSI)

14*

Manifold Door Assembly - Natural Gas

15*

Manifold Component Block w/Retainer Clip

16*

Manifold Door Gasket

17*

Viewport Assembly

18FV Sensor

19Outer Door

20Electrical Transformer

21Pressure Switch

*Pictured on next page.

LEGEND

Special anode rod (see Anode Rod/Water Odor section)

Temperature and Pressure Relief Valve is required, but may not be factory installed

Unique: FVIR System parts

34

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Contents Residential GAS Water Heaters Table of Contents Safe INSTALLATION, USE and Service Safety PrecautionsFire or Explosion Hazard Typical Installation GET to Know Your Water Heater GAS ModelsImportant Information About This Water Heater Installing Your GAS Water HeaterUnpacking the Water Heater Excessive Weight Hazard Consumer InformationSite Location Location RequirementsCarbon Monoxide Poisoning Hazard Clearances and Accessibility State of CaliforniaGas Requirements Gas Pressure TestingGAS Supply Gas PipingGas Pipe Capacity Table Confined Space Combustion AIR & VentilationUnconfined Space Minimum Btuh InputAll Air from Outdoors All Air from Inside the BuildingLouvers and Grilles Draft Hood Installation Vent Pipe SystemChimney Connection Vent ConnectorsVent Pipe Size Vertical Exhaust Gas VentPiping Installation Water System PipingTemperature and Pressure Relief Valve Closed System/Thermal ExpansionCombination Space Heating/Potable Water System Temperature & Pressure Relief ValveRelief Valve and Pipe Insulation Discharge LineWiring Diagram Solar InstallationElectrical Connections Installation Checklist Important Information about this Water HeaterOperating Your Water Heater Operating InstructionsChecking the Draft Water Heater OperationBurn Hazard Burner Flames Water Temperature RegulationEmergency Shut Down Condensation Safety Shut-offOperational Conditions Water Heater SoundsPowered Anode Operation Routine Preventive MaintenanceDraining and Flushing Removing the Manifold/Burner Assembly Maintenance of Your Water HeaterReplacement Parts Removing the Burner from the Manifold/ Burner AssemblyCleaning the Combustion Chamber and Air Diverter Assembly Replacing the Flame Sense/Hot Surface igniter AssemblyReplacing the Manifold/Burner Assembly Removing the Gas Control Valve/Thermostat Removing and Replacing the Gas Control Valve/ThermostatReplacing the Gas Valve Pressurized Combustion Chamber System Operational Checklist Troubleshooting ChartCont Control Display Troubleshooting Control Display Status Problem SolutionControl Display Status Problem Solution FV-SENSE and Open Flashing Troubleshooting Flowchart YESRepair Parts List Repair Parts IllustrationListed Parts Kits and Illustrations Page Page Page Limited Residential GAS Warranty YearImportant Information