Home » Water Systems Q & A » Do I Need A New Or Larger Capacity Hot Water Heater?

Check to see if the cold water coming …

Comment posted Do I Need A New Or Larger Capacity Hot Water Heater? by reneem19.

Check to see if the cold water coming in is going in the right pipe. We asked the guy why ours was like that when he installed it.(He said it was energy efficient_he just did not want to check it!) The next one that installed one said the lines were switched. Worth checking into. I agree though, if it is more than 10 years old, I would replace it.

reneem19 also commented

  • If its over 10 years old yes you need a new one.
  • You may want to consider a tankless water heater. Continuous hot water that is unlimited.
  • dip tube inside w/h cold inlet theres a dip tube made out of plastic the break up and erode next thing you know your running out of hot water just change w/h before it starts leaking
  • maybe…
    the incoming water in our area is about 35 degrees now so hot water heater is working hard to keep up but normally have plenty of water with our natural gas water heater
  • If electric open the plates and check thermostat setting. Your previous owner may have turned them way down to save energy. you may also want to replace the elements if this doesn’t help

Recent comments by reneem19

  • Water Heater Issues……..can U Help?
    My first question is, what type heater do you have, gas or electric? Is this the first time you have ever drained the tank? What type of pipes are in your house? Do you have a filter upstream of the heater? Calcium is a byproduct of heating water. The minerals in water settle at the bottom, and should be drained out about 4 times a year. Whether you have gas, electric, tank or tankless, calcium is still a problem. If you are considering a switch from a tank type heater, to a tankless unit, make sure you read, and UNDERSTAND ALL THE MANUFACTURERS RECOMENDATIONS, because if you don’t comply with their instructions, you can possibly do some serious damage to the heater, and your house. The gas models especially need to be installed exactly as the manufacturer says, or damage to the unit, or even a fire can be caused, due to the increased amount of gas required, and the flue pipe needing to be replaced. It isn’t just a simple swap out, as some people think. I have removed more units than I have installed, because after researching the problem, all the units I removed, had been installed, without regard for the manufacturers recommendations. Most of the time it is an undersized gasline, but sometimes the flue pipe was not changed out, and after pricing the suggested flue pipe, the customers went back to a tank model. If you are thinking of this option, call a professional, and make sure he has done this type of installation, before letting him or her do the job. Good luck to you!
  • Water Heater Issues……..can U Help?
    If it’s clogged with sediment then maybe most of your tank is and it’s just eating the electricity to keep the sediment hot get a new water heater
  • Water Heater Issues……..can U Help?
    Based on the description of the problem and if the unit itself is older I would consider a replacement. If you look at all the sludge in the bottom that is accumulated you must keep in mind that stuff is coming out in your water when you shower, wash bathe etc. Also they are find now that in tank models bacteria such as Legionaires Disease and others can thrive in a dirty tank that sits for long periods. Not Good!
    I have a tankless water heater in my home and it is the best thing ever. It provides endless hot water so you can shower all day if you want and it never runs out. My electric bill went down about 35 dollars a month also as it only turns on when you activate hot water. A tank model turns off and on all day even if you don’t use it. The water is also safer as I indicated as it is not stored and heats as you need it.
    I did a lot of research and the largest selling unit and one that I use is the Titan Tankless N-120 Water Heater. They invented it and have been in business 20 years.
    All of the information on the unit and helpful things to help you decide are on their site at http://www.titantankless.com
    Please be careful about gas models as they are DANGEROUS!
    I would stick with electric.
  • Water Heater Issues……..can U Help?
    Replace the hot water heater, it’s done. There’s 3 to 4 inches
    built up on the burner plate, if you did clean it off the steel has been sacrificed.
    So how’s your harvick 29 car doing, yea mark martin is washed, NOT.
  • Replacing Element In Electric Water Heater.?
    BUT is the wire feeding the htr lg enuf to handle the larger load????????????????????

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  1. Comment by sparky
    November 20, 2009 @ 8:47 am

    If it is an electric hot water heater It is possible that one of the 2 heating element have burnt out. This will cause it to quickly run out of hot water and also take a long time to recover. Check continuity of the elements after turning power off and disconnecting one of the wires from the element.

  2. Comment by ya472
    November 20, 2009 @ 1:09 pm

    You have many potential things to check:
    1) What type of heater is it, gas, oil or electrical?
    2) What is the capacity of the tank ? or is it tankless ?
    3) How many minutes of shower time are you talking about, 20 minutes or two hours ?
    4) Is the shower head a water-saver, or does it flow fast ?
    If the tank is about 40 gallons, is electric and the shower head is a water-saver, you probably should get about an hour of shower time, unless one element is burned out.
    It also depends on the hot water temperature setting at the tank. Most are factory set, but some people turn down the temperature to ‘save’ money, then only turn on the HOT tap, which will empty the hot water tank very fast.
    Do your homework, and if you don’t own the place, ask the landlord !

  3. Comment by heart o' gold
    November 20, 2009 @ 6:22 pm

    Every water heater I’ve ever had runs out of water before 2 people shower if they’re doing it back to back. Have you checked the temp?? If it’s set at a low temp that could be part of it…If you really want lots of hot water and need a new water heater consider an on demand water heater. Not only do they give you all the hot water you need, but they save you a bundle because they heat the water as you need it so you aren’t paying to keep a tank of water hot 24/7.

  4. Comment by thephone
    November 20, 2009 @ 6:44 pm

    You can turn up the thermostat on the heater to about 140 degrees. It is usually located under the small removable panel. There is a reset button in there as well, if it is set too high it will trip and need reseting. See if it can go higher without triping. Mine is around 140 and is 16yrs old.

  5. Comment by reneem19
    November 20, 2009 @ 10:10 pm

    Check to see if the cold water coming in is going in the right pipe. We asked the guy why ours was like that when he installed it.(He said it was energy efficient_he just did not want to check it!) The next one that installed one said the lines were switched. Worth checking into. I agree though, if it is more than 10 years old, I would replace it.

  6. Comment by Daniel W
    November 20, 2009 @ 11:57 pm

    If electric open the plates and check thermostat setting. Your previous owner may have turned them way down to save energy. you may also want to replace the elements if this doesn’t help

  7. Comment by jhurd67
    November 21, 2009 @ 2:52 am

    maybe…
    the incoming water in our area is about 35 degrees now so hot water heater is working hard to keep up but normally have plenty of water with our natural gas water heater

  8. Comment by dvdacmn
    November 21, 2009 @ 6:14 am

    dip tube inside w/h cold inlet theres a dip tube made out of plastic the break up and erode next thing you know your running out of hot water just change w/h before it starts leaking

  9. Comment by canux1
    November 21, 2009 @ 11:20 am

    You may want to consider a tankless water heater. Continuous hot water that is unlimited.

  10. Comment by thresher
    November 21, 2009 @ 1:04 pm

    If its over 10 years old yes you need a new one.

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