Hot water systems must supply water at temperatures hot enough to meet cleaning demands but not so hot as to risk injury to people. Children, the disabled, and the elderly are most susceptible to hot water-related injuries. Currently, the maximum temperature criteria calls for temperatures to be in the 120-125ºF range. As part of this companies service to out customers, we check the temperatures of the water system and advise our customers accordingly.

The risk of scalding or other injury from hot water can be estimated by the exposure time v/s the water temperature. The table below indicates the risk of injury to a normal healthy person. Keep in mind that these times are reduced for children, the disabled, and the elderly.

• 120ºF - More than 5 Minutes
• 125ºF - 1-1/2 to 2 Minutes
• 130ºF - About 30 Seconds
• 135ºF - About 10 Seconds
• 140ºF - Less than 5 Seconds
• 145ºF - Less than 3 Seconds
• 150ºF - About 1-1/2 Seconds
• 155ºF - About 1 Second

If your water temperature is in excess of 125ºF, consider adjusting your thermostat accordingly. While individual comfort levels and reaction times vary, according to the water heater manufacturing association, the maximum recommended bathing water is approximately 104ºF.

This posting and the continents written here are the intellectual property of Michael Thornton of Complete Home Inspections, Inc. providing Nashville home inspections for Brentwood and the Davidson and Williamson Counties of Middle Tennessee. The views and opinions expressed are just that - views and opinions of Michael Thornton and those who comment.  This post is part of the ActiveRain Real Estate Network, which is a social network highlighting the best of Web 2.0.  Information and is provided with the intent of educating and assisting home owners, home sellers, home buyers and real estate investors with information they can use to make better real estate decisions. 

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