An in home dishwasher is normally connected directly to the hot water supply. The water temperature set on the hot water heater will be the same as the water temperature in the dishwasher. Normal hot water heater temps are around 120 - 140 degrees dependent upon how high the hot water heater is set at.
It's because "hot-water" is a compound adjective, modifying "heater". It's not for heating water, it's for heating a house with hot water. There are many types of heaters that heat water, but only a hot-water heater is used for providing heated water for domestic use. A hydronic boiler also heats water, but it's only for use in radiators.The name "Hot Water Heater" is completely wrong for any use. There is no need to heat hot water. IT has always been "water heater". The term hot water heater has just been used for years because people don't realize the difference. It has always been WATER HEATER.The first answer is jibberish and makes no practical sense at all.
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It is called this as it heats up or brings up the temperature of cold water to hot. In other words, it is producing hot water by heating it. Some people incorrectly believe it is redundant to refer to "hot water" and "heater", but there are many other types of heaters, so the distinction of one creating hot water is entirely proper.
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The water heater temperature is set too low.
Many homeowners do not realize that they can adjust the heat settings on their home's water heater. Although you can set your water heater to heat water until it is very hot, it is a good idea to keep your water heater's settings turned down to a lower temperature. Heating your water to a very hot temperature wastes energy. Additionally, if the water in your shower or sink is too hot, it could scald members of your household. Keep your water heater adjusted so that it does not cause burns or waste energy.
It is a water heater, not a hot water heater. There would be little point in using a hot water heater. I assume that is your point.
In general it depends solely on the temp setting on your hot water heater.
One way to get faster hot water from your faucet is to insulate the hot water pipes to prevent heat loss. You can also install a hot water recirculation system or point-of-use water heater near the faucet to reduce the wait time for hot water. Additionally, lowering the set temperature on your water heater can reduce the time it takes for hot water to reach your faucet.
1- Is the piping insulated2- When was the heater serviced3- Is the heater properly sized for the fixture unit demand