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Reliance/HWI Gas water heaters

Official Reliance/HWI gas water heater parts

Reliance/HWI makes gas water heaters that are built to last. Reliance/HWI gas water heaters are manufactured to meet strict safety standards that help prevent flammable vapor ignition from causing a fire in your home. When your Reliance/HWI gas water heater isn't heating as it should, count on Sears PartsDirect to have the replacement parts you need to get the water heater working again.

How to fix a smelly water condition caused by your Reliance/HWI gas water heater

Certain water conditions cause a reaction between the anode rod and supply water, which results in hydrogen sulfide gas being dissolved in the tank water.

The anode rod protects the tank from corrosion. A chemical reaction between the supply water and the anode rod can produce hydrogen sulfide gas and cause the hot water to smell like rotten eggs in some conditions. Replace the anode rod with a less-reactive zinc-aluminum anode rod to combat the rotten-egg smell.

Common Reliance/HWI gas water heater replacement parts

  • Thermocouple. The thermocouple detects whether your pilot light is on by generating a very small electrical current powered by the heat of the pilot flame. If the gas valve assembly doesn't sense the small electrical current provided by the thermocouple, or the thermocouple cools, it assumes that the pilot light is off and shuts down the gas.
  • Gas valve assembly. The gas valve assembly monitors tank water temperature and cycles the burner on and off to maintain set water temperature.
  • Pilot and igniter assembly. The pilot and igniter assembly supplies the flame for the burner to ignite the gas and includes the thermocouple.
  • Drain valve. The drain valve fits at the bottom of the tank and allows you to drain water from the tank.

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