Question: Why Does My Gas Water Heater Keep Turning Off?

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..

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

Not enough combustible air. If your water heater is located in a utility closet or anywhere it is starved for combustible air, the pilot light may go out. This situation could also lead to a build-up of Carbon Monoxide, which can be life threatening.

How do I reset my water heater thermostat?

If the button is lit up, it means the switch tripped and needs to be reset. You reset the electric water heater reset button by pushing that red button. There may also be a lower thermostat reset button on the water heater. If so, push that reset button as well.

How do you reset a noritz water heater?

When nothing else works, you should reset your Noritz tankless water heater. It’s an easy job, and you only have to press the Reset button. It’s typically found on the front panel. Should you not be able to fix the problem by resetting your unit, it’s time to call in for an authorized technician for farther assistance.

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.

Why does my hot water switch keep turning off?

A shorted heating element—It may be that the thermostat is working just fine and shutting off the heating element. But a short in the element is causing it to continue to heat your water. Loose wiring—A loose wire in the water heater can generate heat that can cause the high-limit switch to trip.

Why does my noritz water heater keeps shutting off?

This type of problem is typically caused by low water flow. Noritz tankless water heaters have a minimum flow requirement (0.5 gpm for most models.) … Verify gas, water, and power are supplied to the heater. Try lower your water temperature to 120°F.

How long should gas water heater last?

about eight to 12 yearsBased on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years. That varies with the location and design of the unit, quality of installation, maintenance schedule and water quality.

What should it cost to replace a water heater?

The Home Depot offers traditional water heater tanks and modern tankless units, both powered by either gas or electricity. Depending on your selection, the average cost for water heater installation is between $1,000 to $3,000.

Why does my gas hot water tank keep shutting off?

The main reasons that a gas water heater automatically shuts off are because the pilot light goes out, the pilot light can’t start, or there are problems with the gas supply.

What causes the reset button to trip on a gas water heater?

The high resistance caused by a loose wire produces a substantial amount of heat that can eventually cause fires. If there is a loose electrical connection within your water heater’s system, your reset button’s thermometer can trip (regardless of the water’s temperature) if it picks up the heat from that loose wire.

What does it mean when your hot water heater won’t stay lit?

If your gas water heater doesn’t stay lit, you may have a defective thermocouple. Most gas fired water heaters use a standing pilot to ignite the main burner. The gas for the pilot assembly is supplied by the main gas valve and is monitored by the thermocouple.

How much does it cost to replace a water heater thermocouple?

The thermocouple is an apparatus that senses whether the pilot light is lit and triggers the gas control valve. Repairs typically cost about $150 to have it done professionally, though a new thermocouple itself only costs about $20 on average.

What is the most common problem with water heaters?

The most common and annoying hot water heater problem. It may be caused by a broken drain valve, too much pressure build up in the tank, corrosion, and rust, or condensation builds up. If you notice a leak, it’s best to call a professional at Einstein Plumbing and Heating for immediate help.

What would cause a pilot light to keep going out?

Usually, a problem with the thermocouple causes the pilot light to go out. The thermocouple is the small copper rod that the pilot light hits. The thermocouple’s job is to shut a gas safety valve if the pilot light goes out. That’s important because gas is always being supplied to the pilot to keep the flame lit.