Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith GAHH-40, GAHH-50, 315456-002 installation instructions

Models: GAHH-50 315456-002 GAHH-40

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A.O. Smith GAHH-40, GAHH-50, 315456-002 installation instructions

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 ModelsInstalling Your GAS Water Heater Unpacking the Water Heater Excessive Weight HazardImportant Information About This Water Heater Consumer InformationLocation Requirements Site LocationCarbon Monoxide Poisoning Hazard Clearances and Accessibility State of CaliforniaGas Pressure Testing GAS SupplyGas Requirements Gas PipingGas Pipe Capacity Table Combustion AIR & Ventilation Unconfined SpaceConfined Space Minimum Btuh InputAll Air from Inside the Building All Air from OutdoorsLouvers and Grilles Draft Hood Installation Vent Pipe SystemVent Connectors Vent Pipe SizeChimney Connection Vertical Exhaust Gas VentPiping Installation Water System PipingTemperature and Pressure Relief Valve Closed System/Thermal ExpansionTemperature & Pressure Relief Valve Relief Valve and Pipe InsulationCombination Space Heating/Potable Water System Discharge LineSolar Installation Wiring DiagramElectrical Connections Installation Checklist Important Information about this Water HeaterOperating Your Water Heater Operating InstructionsWater Heater Operation Checking the DraftBurn Hazard Water Temperature Regulation Burner FlamesEmergency Shut Down Safety Shut-off Operational ConditionsCondensation Water Heater SoundsRoutine Preventive Maintenance Powered Anode OperationDraining and Flushing Maintenance of Your Water Heater Replacement PartsRemoving the Manifold/Burner Assembly Removing the Burner from the Manifold/ Burner AssemblyReplacing the Flame Sense/Hot Surface igniter Assembly Cleaning the Combustion Chamber and Air Diverter AssemblyReplacing the Manifold/Burner Assembly Removing and Replacing the Gas Control Valve/Thermostat Removing 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