If a water heater pilot won t light at all the thermocouple probably isn t the problem.
Water heater pilot light keeps going out not thermocouple.
If the thermocouple fails to shut off the gas all the gas flowing through the furnace could get into your home.
A faulty thermocouple can cause problems with your water heater not staying lit.
Bruce check for these other causes of loss of the gas pilot flame.
5 reasons why your pilot light keeps going out.
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Another common problem causing the pilot to go out or not stay lit is a failed thermocouple pilot generator.
Thermocouple sensor tip not properly mounted secured in the flame path.
When the water heater pilot light goes out first try relighting it following the directions on the water heater label.
Thermocouple problems can be fairly common and this component is often the culprit when the water heater pilot keeps going out.
When the sensor is not heated by the pilot flame the solenoid closes the gas supply line.
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.
The number one reason why the pilot light keeps going out is the thermocouple either the thermocouple is going bad or it is dirty and needs to be cleaned.
Thermocouples work by producing a small amount of voltage when it is heated.
Sometimes it s referred to as the flame sensor it s a safety mechanism that shuts the gas off should the pilot go out.
The thermocouple in your water heater keeps the pilot lit by sending a low current electrical signal to keep the gas valve open.
The thermocouple which operates as a safety device turns the gas supply off when the pilot light goes out.
This device is designed to pick up an electrical signal from the pilot light s heat to determine whether or not the pilot is on.
When you have a problem with your water heater not lighting look at your water heater pilot.
Thermocouple was replaced on my air furnace bruce 11 17 12.
What would cause standing pilot flame to keep going out.
Checklist for thermocouple problems.
One of them is a dirty thermocouple.
If you can light your pilot light but the water heater pilot keeps going out there are many possible causes.
The procedure for lighting a standing pilot always includes lighting the flame then manually holding in the gas valve to keep the flame burning and give the thermocouple time to heat up.
This is the pilot flame that provides the heat.
Once the thermocouple detects that the pilot light isn t lit it turns the gas off as a safety measure.
This equipment is the core reason why your water heater functions it also knows if the pilot light is on or off through an electric current that draws power from the pilot s heat.
