Readers ask: What Should Water Heater Temp Be Set At?

Is 140 too hot for water heater?

The Occupational Safety & Health Administration (OSHA) recommends water heaters be set to at least 140 degrees Fahrenheit (60 degrees Celsius) to minimize the growth of Legionella and other microorganisms.

What should my hot water tank thermostat be set at?

The short answer: 120 degrees Fahrenheit. This is the preset thermostat temperature in most new water heaters, and it’s the recommended setting of the U.S. Department of Energy. At this temperature, harmful pathogens like the kind that cause Legionnaires’ disease are prevented from multiplying and may be killed.

Is 130 too hot for water heater?

Professionals recommend keeping your water heater set at a temperature between 130 and 140 degrees Fahrenheit. Any higher, or lower, could actually be dangerous for you and your family. While turning the temperature up higher can result in burns, turning it lower than the recommended setting can also be dangerous.

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What is the best temp for a water heater?

The Department of Energy recommends setting your water heater to 120°F (49°C) to save money on hot water, whereas the Consumer Product Safety Commission recommends the same temperature in order to prevent scalding.

Can 140 degrees burn you?

Most adults will suffer third-degree burns if exposed to 150 degree water for two seconds. Burns will also occur with a six-second exposure to 140 degree water or with a thirty second exposure to 130 degree water. Even if the temperature is 120 degrees, a five minute exposure could result in third-degree burns.

Is 150 too hot for water heater?

The recommended setting for household water heaters is not 150 degrees, but slightly less _ 140 degrees. Water temperatures higher than 140 degrees can burn the skin and are particularly dangerous for young children and the elderly. People with poor circulation can scald themselves without knowing it.

Does turning up water heater make hot water last longer?

Turn up the thermostat on the hot water heater. One of the easiest ways to make a hot shower last longer is by using less hot water while it’s at a higher temperature. To do this, turn up the temperature on the thermostat that’s attached to the hot water heater tank. Be conscious of other hot water in your home.

What temperature should I set my hot water heater ABC?

Know the Ideal Setting: The best setting for gas water heaters is around 115 to 120 degrees Fahrenheit. Oftentimes, water heaters will have additional options to either lower or increase the temperature of the water inside. In the case of the video’s water heater, A, B and C each have an increase of about 10 degrees. 6

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Is 135 too hot for water heater?

The American Society of Sanitary Engineering recommends that hot water tanks be set from 135 to 140 degrees, to inhibit the growth of Legionella bacteria, with the installation of anti-scald devices and tempering valves to prevent hot water injuries.

What is a safe water temperature for a bath?

The optimal temperature for shower water or bath water, so that it washes away environmental dirt and bacteria, is no higher than 112 degrees Fahrenheit, Cleveland Clinic dermatologist Melissa Piliang says. Few things feel better than a hot soak on a cold day.

Is 125 too hot for hot water heater?

If you invest in one or more thermal protection devices to protect against overly hot water, the water heater could be safely set a little higher than 125 degrees. Most water heaters don’t have a thermostat control that is calibrated in such a way that you can just dial in 125 degrees.

Is 50 degrees hot enough for hot water?

Water that is 57 degrees can cause a major burn within a few seconds. This highlights just how dangerous water can be over the 50 degree temperature mark even if it is only a few degrees. In the case of how hot is too hot, the absolute maximum should be 50 degrees for every appliance located in a bathroom area.

Can bacteria grow in a hot water heater?

There are a few bacteria that are likely to grow in your water heater, but the most common is legionella. Legionella is the bacteria that causes Legionnaires’ disease. You can get Legionnaires’ disease by inhaling microdroplets of legionella-contaminated water. Legionnaires’ disease is a severe type of pneumonia.

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