(206) 949-5683, Top Rated Plumber, Seattle
Results 1 to 8 of 8

Thread: Declining hot water output - how to fix ?

Hybrid View

  1. #1
    DIY Junior Member Bob L's Avatar
    Join Date
    Apr 2012
    Location
    Metuchen NJ
    Posts
    9

    Default Declining hot water output - how to fix ?

    BACKGROUND: Over the past few months the hot water is running out more and more quickly, on my Rheem Guardian Fury 22V50F1 gas water heater installed in June 2007. For the first five years since installation, it would take about 30 minutes of continuous running of the upstairs shower bath for the hot water to exhaust, with water temperature set to 130 degrees. Starting a few months back the output of hot water has been declining, and is currently taking about 15 minutes to run out.

    QUESTION: Will appreciate advice on what to do. Will it be cheapest to replace the existing heater ? The warranty runs out in June 2013. Will the warranty cover this problem ?

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    Location
    New England
    Posts
    21,412

    Default

    Warranty is usually about leaking. If you have particularly hard water or are running on a well that is pumping up sand; the tank could be partly full of minerals or sand.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIY Junior Member Bob L's Avatar
    Join Date
    Apr 2012
    Location
    Metuchen NJ
    Posts
    9

    Default

    Thanks for the advice on warranty. Our local water is not particularly hard. When I drained the tank, the first few seconds of water flow was a little bit gray in color, then it cleared up for the remainder of the drainage. 24 hours after refilling the tank it was still running out of hot water in about 15 minutes.

  4. #4
    DIY Junior Member akholbrook's Avatar
    Join Date
    Dec 2012
    Location
    NC
    Posts
    6

    Default

    I had this issue about a year ago but it was an electric water heater and it was a burnt out element. However since gas water heaters don't have elements check the burner on it. This maybe your issue.

  5. #5
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    Location
    New England
    Posts
    21,412

    Default

    Make sure nothing is drawing water, then go check out your water meter. If it is turning, you have a leak, and with the symptoms you're seeing, it's likely on the hot water side. A constant leak will keep a WH from maintaining much hot water with the constant introduction of cold water. Even a small leak can be an issue both for water/sewer expenses, and fuel to try to heat it.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  6. #6
    DIY Junior Member Bob L's Avatar
    Join Date
    Apr 2012
    Location
    Metuchen NJ
    Posts
    9

    Default Declining hot water output - how to fix ?

    Quote Originally Posted by jadnashua View Post
    Make sure nothing is drawing water, then go check out your water meter. If it is turning, you have a leak, and with the symptoms you're seeing, it's likely on the hot water side. A constant leak will keep a WH from maintaining much hot water with the constant introduction of cold water. Even a small leak can be an issue both for water/sewer expenses, and fuel to try to heat it.
    Thanks for the suggestion. I checked the water meter while all taps were off. The meter was not turning. Could the problem arise from [1] an attenuated flame [2] attenuated transfer of heat from the flame to the water in the tank ?

Similar Threads

  1. Riddle me this - Low and then Not so Low Water Output
    By chefwong in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 6
    Last Post: 04-10-2012, 03:42 PM
  2. Commercial water heater output
    By ferd in forum Water Heater Forum, Tanks
    Replies: 3
    Last Post: 09-15-2011, 07:16 PM
  3. Shallow well low output - how to fix?
    By Estrogen Hostage in forum Pumps and Tanks Well Forum & Blog
    Replies: 11
    Last Post: 10-30-2010, 10:44 PM
  4. Diverter for shower output OR hand-held output but not both
    By Dgraham in forum Shower & bathtub Forum & Blog
    Replies: 3
    Last Post: 07-04-2009, 07:18 PM
  5. Well Pump Output
    By handyman923 in forum Pumps and Tanks Well Forum & Blog
    Replies: 4
    Last Post: 11-28-2006, 08:09 PM

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •