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Thermocouple Issues If it senses that your water heater pilot light keeps going out, the thermocouple will shift off the gas supply to the heater. Over time, thermocouples can malfunction, accumulate dust buildup, or the device can get bent away from the pilot light’s flame.
What would cause my hot water heater to keep going out?
The most common reason that your pilot light on your water heater keeps going out is a damaged, bent or dirty thermocouple.
How do you clean a thermocouple on a water heater?
Clean the thermocouple – using the emery cloth sandpaper, sand the ends of the thermocouple and then give it a finishing touch with the lint-free cloth. Hopefully, you can get to the ends of the thermocouple without having to detach it from the assembly, but you may have to do that.
How long do hot water heaters last?
It would be nice to know when the time is right to replace your water before it springs a leak and causes an inconvenience or worse yet, damage to your home. Typically a residential hot water heater lasts between 6 and 13 years. Beyond 12 years, you are on borrowed time!Apr 19, 2012.
What does it mean when your water heater pilot light keeps going out?
Your thermocouple senses when your pilot light is burning. If it senses that your water heater pilot light keeps going out, the thermocouple will shift off the gas supply to the heater. Over time, thermocouples can malfunction, accumulate dust buildup, or the device can get bent away from the pilot light’s flame.
How do I know if my thermocouple is bad on my water heater?
If the pilot lights but the flame goes out as soon as you release the button after holding it for 60 seconds, then the thermocouple is bad. It’s possible to replace the thermocouple without removing the burner assembly, and many repair people do this.
How long does a water heater thermocouple last?
Thermocouples can last up to 10 years if properly installed and maintained, while furnaces can last 15-20 years, although either may wear out sooner in multifamily units.
How do you know when your water heater needs replacing?
Signs of Wear Leaks: If your water heater is leaking, it must be replaced immediately. Knocking Noises: Loud noises are an indication of sediment buildup. Rusty Water: Water discoloration is a clear sign your unit is underperforming.
How can I make my water heater last longer?
3 Tips to Make Your Water Heater Last Longer and Work More Efficiently Flush the water heater tank once a year. Almost all water heater manufacturers will recommend flushing the water heater tank annually. Check the Anode Rod and Replace it if it’s Badly Corroded. Insulate the Hot Water Heater Tank.
Do hot water tanks need servicing?
Manufacturers of unvented water heaters recommend that you have your water heater serviced once each year, and many home insurance policies require this. Annual maintenance will help to keep the water heater safe and in line with the requirements of the G3 building regulations relating to hot water systems.
How do you fix a pilot light that keeps going out?
Once The Flame Is Lit, Turn Gas Control Valve to “On” Once the pilot light is ignited, you can release the reset button after 30 seconds and turn the gas knob to the “On” position. At this time you should hear the main burner come on. Now your pilot light should hold a flame and hot water should be restored!.
How do I stop the wind from blowing out my pilot light?
You can prevent a faulty pilot light from wind by fixing your thermocouple, gas release, protecting against downdrafts, capping your chimney, and checking your firebox cover.
How much does it cost to replace a water heater thermocouple?
The cost to replace the thermocouple on a water heater is $100 to $325. The thermocouple detects whether the pilot light is lit and signals the gas control valve to turn on the gas flow. Thermocouple replacement is the most common repair needed for gas tank water heaters.
Where is a thermocouple located?
Your furnace’s thermocouple is usually located right in the flame of the furnace’s pilot light. Its copper tubing makes it easy to spot. The thermocouple is made up of a tube, a bracket, and wires.
What happens if thermocouple is bad?
Normally when the thermocouple malfunctions or isn’t working, it simply shuts off the gas to your heater. This is important, particularly if the pilot light is out, because it prevents harmful gas from leaking into your home.
Can a thermocouple be tested?
Place one test lead on the side of the thermocouple and the other to the end that screws into the gas valve. If the thermocouple has proper continuity, a small resistance reading should be visible on the multimeter. Many multimeters also indicate continuity with an audio alert.
Which is better RTD or thermocouple?
RTDs are superior to thermocouples in that their readings are more accurate and more repeatable. Repeatable means that users reading the same temperatures produce the same results over multiple trials.
What do thermocouples do?
Thermocouples are sensors used to measure temperature. A thermocouple consists of two wires, or wire legs, made from different metals. The legs are welded together at one end, into a junction, where the temperature is measured. A voltage is created when the junction senses a change in temperature.
How often should you flush a water heater?
Tip: To maintain the upkeep of your water heater, flush your water heater every six months or so. If you have harder water, or water that contains more minerals, you may want to flush it more often.
How do you know if your water heater is going to explode?
The signs your water heater is going to explode are leaking tank water, the faulty pressure relief valve, cloudy water, popping noise, and the lack of hot water. A hot water heater explosion can lead to death, physical injury, and serious damage.
