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What causes a hot water heater to continually run?


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2009-02-20 20:48:20
2009-02-20 20:48:20

The Thermostat and Temp and Press Valve is faulty and needs to be replaced. or the PRV (pressure reducing valve) is dirty and must be replaced


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Shut off water supply and power to the heater. Drain water from hot water tank then change pressure relief valve which is located at the top of water flow pipe.

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.

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You are running the water heater out of hot water faster than it can heat the incoming cold water.


if an element is constantly expanding and contracting (if you keep switching the hot water heater off and on again) all the time it causes cracks and over time the water leaks into the element causing it to short which means you have to replace it.

It's called water heater. There isn't a reason to heat hot water

The term "water heater" is non-specific, but may imply a domestic hot-water heater, when read in context. A "hot-water heater" is specifically meant for heating water for domestic use. A hydronic boiler is also a water heater, but the water is only used for heating the radiators or for heating a hot-water heater, but the hot water of the boiler is not released for domestic use.Depends as there is a water heater and then a booster which increases the temperature for mostly commerical applicatons thus your heating the hot water to a higher temperature and some call this a hot water heater instead of a temperature booster

When there is not enough hot water, it probably is caused by someone using the hot water recently and the water heater is not large enough to provide hot water for both uses. The water heater will provide hot water as long as there is hot water in it. When there isn't any hot water left, it will provide cold water. It takes a while to heat the water after some is used.

It is just a water heater. People just say hot water heater without thinking.

new boiler and hot water heater

There are a number of causes as to why a hot water heater would stop heating the water. It could be due to a fault in the circuit breaker or a problem with the element, limit switch or thermostat. Unless you know what you are doing, you should contact a qualified plumber or electrician to rectify the issue.

Hot water in homes is produced by a device called a water heater. A water heater can be compared to a pot of boiling water. The enclosure keeps water hot throughout the day so that when the faucet is turned on, there will be an immediate flow of hot water. The people who have hot water have invested in a water heater.

if its not a forced air water heater then yes its should be hot but not red hot.

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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.

The water enters in a cold state & is a certain physical volume. Once heated the water expands slightly within its container (the heater) & therefore applies pressure within the heater or more to the point against the wall of the heater.

Since moving to New York I have never had any issues with my hot water supply. For about two weeks I have had limited hot water, how do I know if the hot water heater is broken? Who do I call to check or fix the hot water heater?

If the tub is not getting hot water the issue is probably with the hot water heater. The hot water heater may have tripped a breaker or the pilot light went out.

The plumbing in my house needs replacing. Which is the best hot water heater on the market?

Because hot water heater breaker has tripped, or hot water heater has failed.

There are signs that there is a problem with a hot water heater. When you cannot get your water to heat. It could be signs that the pipes leading to the heater are leaking. It could be a problem with the thermostat in the heater.

Firstly a water heater is a concealed unit and all joints are meant to be leak proof. Sounds like there is a leak somewhere in the water heater. Get a plumber to investigate and fix where necessary.

When you want to know when your hot water heater is broken, simply run your faucet and test the water. If it's cold, the heater is broken.

I just replaced the hot water heater in my house. I have several small children and want to ensure their safety. What is a safe temperature to set a hot water heater at?

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