Thermocouple problems can be fairly common and this component is often the culprit when the water heater pilot keeps going out.
Water heater pilot light keeps going out not thermocouple.
Thermocouple was replaced on my air furnace bruce 11 17 12.
If you can light your pilot light but the water heater pilot keeps going out there are many possible causes.
If the thermocouple fails to shut off the gas all the gas flowing through the furnace could get into your home.
Once the thermocouple detects that the pilot light isn t lit it turns the gas off as a safety measure.
Another common problem causing the pilot to go out or not stay lit is a failed thermocouple pilot generator.
The thermocouple which operates as a safety device turns the gas supply off when the pilot light goes out.
Sometimes it s referred to as the flame sensor it s a safety mechanism that shuts the gas off should the pilot go out.
When you have a problem with your water heater not lighting look at your water heater pilot.
The thermocouple in your water heater keeps the pilot lit by sending a low current electrical signal to keep the gas valve open.
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.
Thermocouple sensor tip not properly mounted secured in the flame path.
Checklist for thermocouple problems.
It consists of a heat sensor connected to a solenoid.
Thermocouples work by producing a small amount of voltage when it is heated.
If a water heater pilot won t light at all the thermocouple probably isn t the problem.
What would cause standing pilot flame to keep going out.
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When the water heater pilot light goes out first try relighting it following the directions on the water heater label.
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.
5 reasons why your pilot light keeps going out.
When the sensor is not heated by the pilot flame the solenoid closes the gas supply line.
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.
When a thermocouple fails the pilot light won t stay lighted.
If the thermocouple fails it doesn t send the signal to the gas valve and the gas valve shuts off.
Bruce check for these other causes of loss of the gas pilot flame.
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.
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.
