Gas Water Heater Burner Noise

Also see gas regulator noises as problems with gas air mixture can cause noise at the appliance regulator as well as defective gas flame or too low gas flame.

Gas water heater burner noise.

In a tankless water heater several reasons can create noise. That s causing the rumbling. Others reasons for a noisy tankless water heater model may be an issue with the burner the fan may be dirty or possibly a leak in the sealed combustion resulting in irregular gas combustion. A vibration noise in a gas water heater is usually caused by a defective burner at the bottom of the tank.

Is your water heater making strange noises. A water heater making bubbling noise can be traced to debris. When it is heated by the gas burner below moisture in the gunk flashes into steam that bursts into the water. Metal plates or fins inside the burner can deflect over time and rub against each other when the burner is on causing a humming sound or vibration.

If you are certain that the noise is from the thermocouple itself and not a variation in the gas burner flame then the most likely explanation is that the thermocouple is not mounted securely against movement. The typical residential model will produce approximately one half gallon of condensate during the hour of operation. On 2019 11 20 by mm the new thermocouple in my natural gas direct vent fireplace pulsates. When condensation forms it can drip onto the burner components and when the burner is hot you ll hear a sizzling sound.

If you are looking for the source for a water heater making noise humming problem you will need to check the heating element. Flushing the heater should remove the deposits and quiet. Generally speaking there is a lower chance of hearing strange noises with a tankless water heater vs tank model. If you have a gas hot water heater and you notice a sizzling sound when the burner is on there s a good chance that you have an issue with condensation.

For a water heater making noises like water running then you will have to check for leaks.