Water Heater Pilot Light Won T Stay Lit After Replacing Thermocouple

After the plumber replaced the control valve then it stays lit.

Water heater pilot light won t stay lit after replacing thermocouple.

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. As a result the gas supply will be cut off and the pilot light will go out. This is also a likely cause if the pilot won t ignite at all. You can usually replace a thermocouple for minimal cost and in less than an hour.

Check the flex tube. I have seen people try 4 thermocouples and the fifth one worked then they claimed the other four were bad. Read on to learn how to light a pilot light. As a result the pilot doesn t get enough fuel to stay lit.

The thermocouple has been damaged. 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. 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 water heater repair. There is a chance that your thermocouple has simply gone bad and is the reason your pilot light won t stay lit.

Therefore a dirty thermocouple might be the reason why your water pilot keeps going out. If the pilot will lit but goes out after it reaches the temperature it is the control valve. No hot water on a cold monday morning. You will have to order the control valve from the manufacturer.

Sometimes if the gas valve is just barely bad a hotter thermocouple will work for a short time but finding a hotter thermocouple is just hit and miss. This usually happens when the tube is kinked at one or many points. If their is a good flame on the thermocouple then it is a bad gas valve. Check along the tube to straighten it so there s no obstruction to the flow of gas.

It happened to me. A layer of dirt and grime can hinder the electric current from reaching the thermocouple. Another important project all homeowners need to know is. It s the coldest day of the year and you just realized your heat is not working.

If you re fairly certain this is the source of the problem you will either need to have the thermocouple replaced or repaired.