What temperature should hot water system be set at?

A continuous flow system should be set no higher than 50 degrees. It’s worth noting that there are laws that water delivered to bathrooms must be no hotter than 50 degrees, to prevent scalding injuries. Water at 54 degrees can cause a major burn within 30 seconds and at 57 degrees that takes only a few seconds.

What is the lowest temperature for hot water?

The plumbing codes do not specifically address a minimum hot water storage temperature, but they define hot water as “water at a temperature greater than or equal to 110°F (43°C). Unfortunately, 110°F is an ideal temperature for Legionella bacteria and other pathogens to grow.

What is the most efficient hot water temperature?

120 degrees
The EPA recommends 120 degrees because it’s hot enough to keep diseases at bay, it’s not hot enough to cause scalding, it will supply enough hot water for most small families and is relatively energy-efficient.

Does turning down the temperature on a water heater save money?

Homeowners will find that by turning down their hot water tank temperature by about 20 degrees to 120 Fahrenheit or 48 Celsius, they will see cost savings of about 6 to 10 percent.

Should I set my water heater to AB or C?

The Department of Energy recommends setting your heater to 120 degrees Fahrenheit. That should be plenty hot enough for most uses in your home. Now, some water heater temperature controls come with settings that read “A-B-C” as opposed to numbers.

Will 125 degree water burn you?

Studies show that a temperature of 52 degrees C (125 degrees F) can cause a full-thickness skin burn in 2 minutes and a temperature of 54 degrees C (130 degrees F) can result in a full-thickness skin burn in 30 seconds.

Which type of hot water system is best?

Best Hot Water Systems

• Rheem.
• Dux.
• Vulcan.
• Thermann.
• Rinnai.
• AquaMAX.
• Solahart.
• Bosch.

Is 130 degrees 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.

Should I turn off water heater while on vacation?

Any time you go on vacation, it’s best to also turn off your water heater as well. Turning off the source of the heat (gas, electric) while you’re away will not damage your water heater. This will save you in power (gas) and potential damage if it leaks too.

What is the best setting for a water heater?

The Consumer Product Safety Commission (CPSC) recommends setting the water heater at no more than 120 degrees Fahrenheit (49 degrees Celsius) to prevent scalding. Not to mention, a water heater that is set too high can unnecessarily increase your electricity bill. Of course, every house is different.