(206) 949-5683, Top Rated Plumber, Seattle
Results 1 to 4 of 4

Thread: Water Heater thermostat problem.

  1. #1
    DIY Member rayh78's Avatar
    Join Date
    Sep 2008
    Location
    Virginia
    Posts
    77

    Default Water Heater thermostat problem.

    This question is actually for a friend of mine.
    His wife complained no hot water at all. He gets home and checks. Not voltage to top element but continuity good.
    Bottom element continuity good but it has voltage to the element.
    So how can he not have at least some hot water and I thought the top element came on first?

    thanks

  2. #2
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Location
    Cave Creek, Arizona
    Posts
    25,633

    Default

    If the bottom element has continuity AND voltage, then he HAS hot water which is why the top one is turned off. From your description there is some other problem which you have NOT identified.

  3. #3
    DIY Member rayh78's Avatar
    Join Date
    Sep 2008
    Location
    Virginia
    Posts
    77

    Default

    Yes I question that. Would have to be hot water but was not.
    It ended up being the top thermostat. Went bad not heating the top element first. But somehow sending current to the bottom therm and element but not heating. Maybe not enough amps to bottom at the time?
    Anyway its working. All just sounded strange to me and always like to learn if I miss something.
    thanks

  4. #4
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Location
    Cave Creek, Arizona
    Posts
    25,633

    Default

    In that case, I suspect the bottom element is also burned out and you had 120 volts of current across the terminals NOT 240. About the only way top elements burn out is when the bottom one, which does 98% of the heating, burns out and then the top one does ALL of the heating. Otherwise the top one operates so seldom they usually last "forever".

Similar Threads

  1. ?Need to Replace Thermostat on Water Heater
    By Newbe in forum Water Heater Forum, Tanks
    Replies: 5
    Last Post: 03-23-2009, 07:19 AM
  2. Does my water heater have a bad thermostat?
    By cdwz in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 57
    Last Post: 08-23-2008, 02:59 PM
  3. problem with water heater thermostat?
    By northman in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 8
    Last Post: 04-15-2008, 11:44 AM
  4. replacing thermostat/gas valve on water heater
    By vtlandlord in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 9
    Last Post: 07-16-2007, 01:56 PM
  5. thermostat on water heater
    By ebb6b in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 6
    Last Post: 04-22-2006, 07:16 AM

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
  •