A.O. Smith 315456-002, GAHH-40, GAHH-50 specs

NOTES

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Image 38

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

Contents

Residential GAS Water Heaters Table of Contents Safe INSTALLATION, USE and Service Safety Precautions Fire or Explosion Hazard Typical Installation GET to Know Your Water Heater GAS Models Important Information About This Water Heater Installing Your GAS Water HeaterUnpacking the Water Heater Excessive Weight Hazard Consumer Information Carbon Monoxide Poisoning Hazard Location RequirementsSite Location Clearances and Accessibility State of California Gas Requirements Gas Pressure TestingGAS Supply Gas Piping Gas Pipe Capacity Table Confined Space Combustion AIR & VentilationUnconfined Space Minimum Btuh Input Louvers and Grilles All Air from Inside the BuildingAll Air from Outdoors Draft Hood Installation Vent Pipe System Chimney Connection Vent ConnectorsVent Pipe Size Vertical Exhaust Gas Vent Piping Installation Water System Piping Temperature and Pressure Relief Valve Closed System/Thermal Expansion Combination Space Heating/Potable Water System Temperature & Pressure Relief ValveRelief Valve and Pipe Insulation Discharge Line Electrical Connections Solar InstallationWiring Diagram Installation Checklist Important Information about this Water Heater Operating Your Water Heater Operating Instructions Burn Hazard Water Heater OperationChecking the Draft Emergency Shut Down Water Temperature RegulationBurner Flames Condensation Safety Shut-offOperational Conditions Water Heater Sounds Draining and Flushing Routine Preventive MaintenancePowered Anode Operation Removing the Manifold/Burner Assembly Maintenance of Your Water HeaterReplacement Parts Removing the Burner from the Manifold/ Burner Assembly Replacing the Manifold/Burner Assembly Replacing the Flame Sense/Hot Surface igniter AssemblyCleaning the Combustion Chamber and Air Diverter Assembly Replacing the Gas Valve Removing and Replacing the Gas Control Valve/ThermostatRemoving the Gas Control Valve/Thermostat Pressurized Combustion Chamber System Operational Checklist Troubleshooting Chart Cont Control Display Troubleshooting Control Display Status Problem Solution Control Display Status Problem Solution FV-SENSE and Open Flashing Troubleshooting Flowchart YES Repair Parts List Repair Parts Illustration Listed Parts Kits and Illustrations Page Page Page Limited Residential GAS Warranty Year Important Information