What causes a water heater not to ignite?
The water heater pilot light is a small flame that ignites the gas burner on your water heater. If the pilot doesn’t relight, if it goes out right after lighting or if it goes out repeatedly, by far the most common cause is a bad thermocouple.
How do you test a water heater burner?
How to inspect the burner flames. A soft blue flame is the sign of the correct gas combustion. Use the viewport at the bottom of the water heater to examine the burner flames at least twice a year. If you see blue tips with the yellow inner cones, it is still OK.
Why would pilot light go out?
Some of the possible serious reasons for pilot lights to go out include loose or broken gas valves, thermocouples or heat exchangers, faulty venting, low gas pressure, or high winds. If you believe there is a serious problem, don’t hesitate to contact a professional.
How do you tell if the thermocouple is bad on a water heater?
A worn out thermocouple is one of the most common gas water heater problems. When thermocouples wear out, the pilot light goes out, the burner won’t light, and you will have no hot water.
Why is my water heater not igniting?
Try lighting it more than once
Why would a water heater not light?
Thermocouple. If the pilot light does not relight,or if it goes out again right after lighting,the most common cause is a bad thermocouple.
How do you fix an electric water heater?
Turn off the breaker to the water heater’s circuit in the service panel.
How does electronic ignition work on water heater?
Defective igniter. Most of these units are equipped with igniting units.