Thankfully a dirty pilot tube is the easiest issue to fix.
American standard water heater pilot light won t stay lit.
You can usually replace a thermocouple for minimal cost and in less than an hour.
A pilot light can also keep going out because of a problem with the thermocouple.
Another possible reason why a pilot won t stay lit has to do with the flex tubing.
This control is part of the gas valve assembly and normally has a dial that will allow for temperature adjustment and will also have a probe that monitors the water temperature.
If you ve checked everything else and the light continually goes out this is probably the cause.
Make sure to follow the directions on your water heater label.
As a result the pilot doesn t get enough fuel to stay lit.
If the pilot doesn t relight if it goes out right after lighting or if the pilot light keeps going out by far the most common cause is a bad thermocouple.
This can happen with age.
Check along the tube to straighten it so there s no obstruction to the flow of gas.
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When the water heater pilot light goes out first try relighting it following the directions on the water heater label.
You ll get your hot water going without waiting for a pro to show up and save the cost of a service call for a gas.
This is also a likely cause if the pilot won t ignite at all.
The gas supply to the pilot assembly is controlled by this valve.
In this case you may need to replace your pilot light.
If this is the problem then unkinking the tube will occasionally resolve the issue.
This usually happens when the tube is kinked at one or many points.
This tubing connects to the gas controller and will ensure a steady stream of gas.
Sometimes this tubing will get kinked in places which will prevent proper operation.
If your pilot doesn t re light won t stay lit or keeps going out after a short time you most likely have an issue with the hot water heater thermocouple.
Check the flex tube.
The flex tube is how the gas reaches the device and if the continuous flow of gas is interrupted the pilot light won t stay lit.