Why does my hot water heater keep going out?

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Dirty thermocouple: If you can light your pilot light, but the water heater pilot keeps going out, there are many possible causes. One of them is a dirty thermocouple. Bent thermocouple: Sometimes, when your gas water heater won’t stay lit, if you check the thermocouple, you may see that it has been bent.

why do I have to keep resetting my hot water heater?

While a bad thermostat is the most common reason your water heater’s reset button may trip, it’s not the only one. Other common causes include: A shorted heating element—It may be that the thermostat is working just fine and shutting off the heating element.

why does my hot water heater keep running?

If your water heater is constantly running, there is probably a problem. You might have a leak – A leak would be a constant drain on the hot water supply within the tank. To make up for the loss of hot water, your tank would need to run more frequently to keep the same level of hot water as before.

What does a thermocouple look like?

The thermocouple looks like a piece of metal tubing smaller than a soda straw. To find it, first locate the gas control box. This is the box that the main gas line enters, where you turn the gas on in the furnace. The other end of the thermocouple sits in the flame of the pilot light.

why does my hot water heater flame keep going out?

Dirty thermocouple: A pilot tip that is too dirty for gas also results in the flame going out. This will cause the thermocouple to turn off the supply of gas, and then your water heater won’t light. To avoid your water heater going out, bend the thermocouple, so it is closer to the pilot light.

How long does a thermocouple last?

Thermocouples can last several years, but they don’t typically last as long as the furnace itself. If the pilot remains lit, but the main furnace doesn’t stay lit, it’s time to replace the thermocouple.

Why does my hot water heater keep going to vacation mode?

Leaving your water heater on vacation mode ensures that the water heater does not consume energy when no one is using the premises; this preserves energy and reduces energy bills. Switching your heater into vacation mode is also safer than switching off the heater, especially during winter.

How do you clean a thermocouple on a water heater?

Turn off the lever handle gas valve to the water heater and turn the knob on the top of the temperature control valve to “Off.” Use open-end wrenches to unscrew the nuts that connect the burner gas line, the pilot gas line and the thermocouple. Pull the gas tubes and thermocouple down out of the gas valve.

How do you know if you have a bad thermocouple?

If you can’t get the flame to light at all, and you’re sure the gas is on, there’s probably an obstruction in the pilot tube. If the flame lights and goes out when you release the gas control knob after holding it in for the recommended 20 to 30 seconds, that’s the sign of a thermocouple malfunction.

Can you clean a thermocouple?

If the Thermocouple is faulty it will cause the unit to shut down. How to clean? Remove Thermocouple from pilot assembly, using steel wool or emery cloth to lightly clean the tip removing any soot or build up that might have accorded due to an improper pilot flame.

How much does it cost to replace a thermocouple?

Thermocouple Replacement – $20-$150 Calling a professional plumber to install a new thermocouple should only be up to $150. If you do the work yourself, you will only pay the price of the part which is about $20.

How do you know if you need a new hot water heater?

Some signs you need a new water heater are an old unit, rusty water, not enough hot water, noise, or leaks.

Does a gas water heater have a reset button?

A water heater reset button, usually red, is located in the center of the limit switch just above the water heater thermostat. The water heater limit switch is a safety device that will shut the power down to the water heater if something malfunctions and the water gets to hot.

Is it dangerous if the pilot light goes out on water heater?

A device called a thermocouple is heated by the pilot light flame. As long as the thermocouple remains hot, gas is supplied to the pilot light. If the pilot light goes out, the gas is shut off and there is no danger of gas accumulating because the pilot light is out.