Tank Water Heater San Jose: Problems & Possible Causes

Standard type gas and electric tank water heaters San Jose use an insulated storage tank. 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 doing any troubleshooting on the tank water heater San Jose, make sure to prepare safely for the job by doing the following:

• Turn off power to an electric tank water heater San Jose. Do this by turning off the circuit breaker or fuse powering the heater. • Turn gas pilot control valve to "pilot" setting • Shut off water supply to water heater Problems & possible causes regarding tank water heater San Jose:

1. No hot water is produced

Possible Causes

• Faulty gas pilot San Jose • Faulty gas thermocouple San Jose • Faulty gas pilot control valve San Jose • Faulty electric thermostat San Jose • Faulty upper electric heating element San Jose

2. Inadequate Hot Water

Possible Causes

• Tank water heater San Jose Unit is undersized for water heating demands • Broken or damaged dip tube allowing cold and hot water to mix in tank • Faulty plumbing installation has crossed cold and hot water connections • Gas supply or control problems • Faulty electric lower or upper heating element or high or low heating element thermostat. • A constant supply of lukewarm water during a shower is indicative of a defective upper heating element. Short duration hot water supply during a shower is indicative of a defective lower heating element.

3. Rust Colored Water

Possible Causes

• Corrosion occurring inside glass lined tank • Sacrificial anode rod is failing (anode rods dissolve slowly to prevent rusting in the tank)

4. Rotten Egg Smell

Possible Causes

• Bacteria in the tank sediment fed from hydrogen gas created from decay of sacrificial anode.

5. Low Rumbling or Popping Noise

Possible Causes

• Noise heard is sound of boiling water. Excessive buildup of sediment in bottom of tank is causing overheating of tank bottom and boiling of water to occur.

6. Higher Pitched whining (electric water heater)

Possible Causes

• Buildup of scale material on electrical heating elements

7. Water Leak around Base of Heater

Possible Causes

• Faulty T&P (temperature and pressure) relief valve • T&P valve leak due to excessive pressure, overheating or stuck • Leak from overhead or nearby plumbing connection • Leaking water tank (corrosion likely) There are numerous problems that can happen with your tank water heater San Jose, even though these problems can typically be resolved by calling a tank water heater San Jose service provider.

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