A.O. Smith FVIR User Manual (English)

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Questions and Answers:

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Charles PerezAug 20, 2025
How to fix burner that will not ignite on A.O. Smith FVIR Water Heater?
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  Alec ThomasAug 20, 2025
  If the burner of your A.O. Smith Water Heater won't ignite, try the following: * Refer to the section about pilot light issues. * Adjust the temperature dial to your desired setting. * Contact your gas utility company. * Have a trap installed in the gas line (notify the utility company). * Clean any obstructions and identify their source. * Replace the gas control valve/thermostat if necessary. * Ensure adequate fresh air ventilation. * Try cycling the power to the water heater. If the problem continues, replace the flue damper.
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William WilliamsonAug 22, 2025
Why pilot will not light or remain lit on A.O. Smith FVIR?
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  Cheryl KellyAug 22, 2025
  If the pilot light of your A.O. Smith Water Heater won't light or stay lit, consider the following: * Consult the Status Light Code Troubleshooting Table. * Refer to the Pilot Light Troubleshooting Flowchart. * Ensure the connector is firmly seated in the socket. * Bleed air from the gas line. * Contact your gas utility company to check the gas supply. * Have a dirt trap installed in the gas line (notify the utility company). * Identify and correct any obstructions. * Replace the thermostat if needed. * Clean any blockages and identify their source. * Inspect and clean the flame trap (refer to the maintenance section). * Have a qualified person reset the sensor. * Cycle the power to the water heater. If the issue persists, replace the flue damper.
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Katherine SchultzAug 25, 2025
What to do if A.O. Smith Water Heater provides insufficient hot water?
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  Morgan Alexander DVMAug 25, 2025
  To address insufficient hot water from your A.O. Smith Water Heater: * Adjust the temperature dial to your desired setting. * Drain and flush the tank, providing water treatment if necessary. * Ensure you have an adequate heater for your hot water demands. * Correct the piping so the dip tube is properly located in the cold inlet. * Repair any leaking faucets. * Insulate the hot water pipes. * Contact your gas utility company.
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lsheppardAug 26, 2025
What to do if thermostat fails to shut-off on A.O. Smith Water Heater?
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  Kristina RossAug 27, 2025
  If the thermostat on your A.O. Smith Water Heater fails to shut off, replace it.
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Mary PotterAug 28, 2025
What to do if pilot flame is too small on A.O. Smith Water Heater?
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  Amy MillerAug 28, 2025
  If the pilot flame on your A.O. Smith Water Heater is too small: * Clean any obstructions and identify their source. * Check with your gas utility company to ensure proper gas pressure.
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salazarsaraAug 30, 2025
What to do if A.O. Smith FVIR Water Heater is smoking and forming carbon?
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  Timothy Sanchez VAug 30, 2025
  To address smoking and carbon formation (sooting) in your A.O. Smith Water Heater: * Ensure proper ventilation to the water heater, and inspect the flue way, flue baffle, and burner. * Contact your gas utility company to rule out gas supply issues. * Clean any obstructions and identify their source. * If the problem persists, consider replacing the thermostat. * Provide fresh air ventilation to the area around the water heater. * Refer to the section on 'Burner Flame Yellow-Lazy' for additional guidance.
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Michael CarrSep 1, 2025
How to fix yellow burner flame on A.O. Smith FVIR?
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  carpenterbrookeSep 1, 2025
  To resolve a yellow and lazy burner flame in your A.O. Smith Water Heater: * Ensure proper ventilation to the water heater. * Contact your gas utility company to check the gas supply. * Clean any obstructions from the burner and identify their source. * Cycle the gas control valve/thermostat OFF then ON. If the issue continues, replace the damper. * Ensure proper fresh air ventilation around the water heater. * Clean or replace the orifice if necessary.
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Lori CoxSep 3, 2025
How to reduce high operation costs for A.O. Smith FVIR Water Heater?
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  Howard HansonSep 3, 2025
  To address high operation costs for your A.O. Smith Water Heater: * Lower the temperature dial setting. * Drain and flush the tank; consider water treatment if needed. * Ensure you have an adequately sized heater for your needs. * Correct the piping to ensure the dip tube is in the cold inlet. * Repair any leaking faucets. * Check for and repair any leaks in your utility connections. * Insulate the water pipes to reduce heat loss. * Replace the flue damper.
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Timothy WoodSep 5, 2025
Why is hot water recovery slow in my A.O. Smith FVIR?
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  Jennifer JonesSep 5, 2025
  To resolve slow hot water recovery with your A.O. Smith Water Heater: * Ensure proper ventilation to the water heater and inspect the flue way, flue baffle, and burner. * Clean the flue, locate the source of any blockage, and correct it. * Contact your gas utility company to check the gas supply. * Consider replacing the thermostat if it's malfunctioning. * Ensure you have an adequate heater for your hot water needs.
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William ClineSep 7, 2025
How to stop drip from relief valve on A.O. Smith FVIR Water Heater?
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  Stephen MccoySep 7, 2025
  To stop a drip from the relief valve on your A.O. Smith Water Heater: * Install a pressure reducing valve and relief valve. * Lower the thermostat setting. * Refer to the section on 'Closed System/Thermal Expansion'.