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

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

Models: GAHH-50 315456-002 GAHH-40

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

Contents

Residential GAS Water Heaters Table of Contents Safety Precautions Safe INSTALLATION, USE and ServiceFire or Explosion Hazard GET to Know Your Water Heater GAS Models Typical InstallationUnpacking the Water Heater Excessive Weight Hazard Installing Your GAS Water HeaterImportant Information About This Water Heater Consumer InformationSite Location Location RequirementsCarbon Monoxide Poisoning Hazard State of California Clearances and AccessibilityGAS Supply Gas Pressure TestingGas Requirements Gas PipingGas Pipe Capacity Table Unconfined Space Combustion AIR & VentilationConfined Space Minimum Btuh InputAll Air from Outdoors All Air from Inside the BuildingLouvers and Grilles Vent Pipe System Draft Hood InstallationVent Pipe Size Vent ConnectorsChimney Connection Vertical Exhaust Gas VentWater System Piping Piping InstallationClosed System/Thermal Expansion Temperature and Pressure Relief ValveRelief Valve and Pipe Insulation Temperature & Pressure Relief ValveCombination Space Heating/Potable Water System Discharge LineWiring Diagram Solar InstallationElectrical Connections Important Information about this Water Heater Installation ChecklistOperating Instructions Operating Your Water HeaterChecking the Draft Water Heater OperationBurn Hazard Burner Flames Water Temperature RegulationEmergency Shut Down Operational Conditions Safety Shut-offCondensation Water Heater SoundsPowered Anode Operation Routine Preventive MaintenanceDraining and Flushing Replacement Parts Maintenance of Your Water HeaterRemoving the Manifold/Burner Assembly 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 Troubleshooting Chart Pressurized Combustion Chamber System Operational ChecklistCont Control Display Status Problem Solution Control Display TroubleshootingControl Display Status Problem Solution FV-SENSE and Open Flashing YES Troubleshooting FlowchartRepair Parts Illustration Repair Parts ListListed Parts Kits and Illustrations Page Page Page Year Limited Residential GAS WarrantyImportant Information