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120 degrees. Anything higher is a code violation and the plumber could be liable under local laws.
Correct Answer is as followsWhen I work as an expert witness I ask "what is the water being used for"
Most inept people will pick a number out of the air and swear it is gospel, BUT in reality a Master plumber or Plumbing engineer will get the facts before spewing temperatures. ( I Never lost a case in 26 YEARS of testifying )
For example for nursery schools or were the elderly are going to use the fixture the temperature shall not exceed 105 DEG F
In a commercial application the water temperature shall be 160 -180 DEG F in lieu of chemicals for sterilization
Water @ 120 degree's F will not kill bacteria and can actually lead to water borne diseases to incubate inside a heater that is set so dangerously low.
Knowing the facts then giving an answer goes a long way rather then taking a shot in the dark.
Ideally a legitimate Master plumber may suggest a heater capable of putting out 140 degrees F (non commercial) and have this water go to dishwashers and washing machines to make sure bacteria is killed inside the supply piping to the appliances / fixtures
Then install a decent quality tempering valve and temperature pressure regulated faucet /shower body to prevent scalding.
Also when quoting a "code" it is nice to know which code as there are board of health codes , ADA codes, plumbing "codes" and applications that require someone to think out side the box
What else can I help you with?
What should I do if my water pipes burst?
If your water pipes burst, turn off the main water supply, drain the faucets, and call a plumber for repairs.
What liquids can turn into water vapor at room temperature?
water
What should I do if I am unable to turn off the water due to a stuck water shut off valve?
If you are unable to turn off the water due to a stuck water shut off valve, you should contact a plumber for assistance. Trying to force the valve may cause damage and worsen the situation. A professional plumber will have the tools and expertise to safely address the issue.
Why water turn into ice instantly?
Water don't turn instantly into ice; this depends on the temperature.
Where can you download plumber for free with no time limits?
A person can find and download the game Plumber for free, with no time limits from the Google apps play store. Plumber is a game where you turn the pipes to make sure the water goes through without leaking.
Why does ice turn into water when it is in water?
Since the water is at a higher temperature than the ice, it transfers heat to the ice. This in turn raises the ice's temperature above its melting point of 32oF which turns the ice to water.
What is one stage of evaporation?
heating of water by the sun's energy which increases the temperature of the water causing some of the water to turn into water vapour at a temperature below the water's boiling point temperature.
What makes liquid water turn to a soild?
Decrease the temperature and make it turn into ice.
How can I turn the water back on in my house?
To turn the water back on in your house, locate the main water shut-off valve, typically found near the water meter or where the main water line enters your home. Turn the valve clockwise to open it and restore water flow. If you're unsure or unable to do this yourself, contact a plumber for assistance.
What temperature does water turn into vapor?
100 degrees Celsius
How do you adjust the temperature of the water by turning the shower knob?
To adjust the temperature of the water in the shower, you can turn the shower knob to the left for hotter water and to the right for colder water.
How do I properly install and adjust a bathtub faucet and knobs for optimal water flow and temperature control?
To properly install and adjust a bathtub faucet and knobs for optimal water flow and temperature control, follow these steps: Turn off the water supply to the bathtub. Remove the old faucet and knobs, if necessary. Install the new faucet according to the manufacturer's instructions. Connect the hot and cold water supply lines to the appropriate valves on the faucet. Adjust the faucet handles to control the water flow and temperature. Test the water temperature to ensure it is to your liking. Secure the faucet and knobs in place and turn on the water supply to check for any leaks. Make any necessary adjustments to the handles for optimal water flow and temperature control. If you are unsure about any step, consult a professional plumber for assistance.
