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Troubleshoot and Repair a Gas Water Heater

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Troubleshoot a Gas Water Heater
Gas Hot Water Heater

Tank-Type Gas Water Heater

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Unlike tankless water heaters, standard tank-type water heaters use an insulated storage tank. The construction or anatomy of this appliance is explained in the tutorial Anatomy of the Gas Water Heater.

Water heaters are generally very reliable but occasionally they do have problems.

    These problems can include:
  • No hot water
  • Inadequate hot water
  • Rust colored water
  • Rotten egg odor
  • Low rumbling or popping noise
  • Higher pitched whining
  • Water leaking around base of heater
    Before any troubleshooting is done, make sure to prepare safely for the job by doing the following:
  • Turn off power to an electric water heater. Do this by turning off the circuit breaker or fuse powering the heater.
  • Turn the gas pilot control valve to "pilot" setting.
  • Shut off the water supply to the water heater.
Let's take a look at each problem and what possible causes and repairs exist.

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Related Video
How to Fix a Tank-Type Water Heater: Rust-Colored Water
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