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Post Info TOPIC: Hot Water Heater Noise ?


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Hot Water Heater Noise ?


This morning when I got up I kept noticing an occasional noise coming from the closet where the HWH is.  It sounded almost like someone lightly tapping once on a plumbing pipe.  I took a shower and thought maybe it would stop after reheating the water supply but it did not.  There is plenty of hot water and the noise continues at the steady rate of about 30 seconds between the noise.  Any ideas as to what this might be?  You can't hear it from the bedroom so it doesn't bother us while sleeping but now that I've heard it I can't ignore it. biggrinbiggrinbiggrinbiggrin



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Gas or electric??

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Broken electric element? Easy fix. If gas, nope - none there

Broken anode rod? Kinda easy fix - see my post of a while back (or I will C&P here if you can't find it)

Calcium deposits bouncing around? Not so easy. New HW heater

Broken water tube? Not so easy. New HW heater

 



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Dave W (Irelands Child/IC2)

Quando omni flunkus, moritati (When all else fails, play dead - R Green)



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It's electric - - - - should I call a repairman or wait until it stops working?

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Dave is on the right track; it's most likely the thermostat cycling on and off, a sign that it is probably starting to fail. On some units, the elements have thermostats built onto them, and some are wired to a separate thermostat with a probe onto the tank, that cycles both, or one at a time on and off as the water temp in the tank changes. Replacing any of these parts involves turning off the heater, draining the tank, disconnecting the wiring from the "stats" and the elements, and unscrewing the units from the tank. Reverse to replace. It all depends on just how comfortable you are with the process. Checking and testing involves connecting a voltmeter to the appropriate terminals and watching for the cycling to take place. The elements and thermostats are found inside the white outside tank covering under the two or three rectangular covers held on with a couple of screws each. To call, or wait is up to you; you might wind up taking a cold shower or two.

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Thanks - - - I need to digest that and see ?if? there's anything I can do or if it's out of my capabilities. 



-- Edited by Mello Yello on Saturday 15th of March 2014 08:15:24 PM

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took the two cover plates off today and pulled back the insulation only to find Electrical connections (I don't do electrical of any kind)- -- - I was hoping for a thermostat dial or something simple but didn't ?see? anything so I carefully put them back as they were and decided to wait and see - - - the tapping noise is the same as yesterday and there's still plenty of hot water

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How old is the water heater?


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John, we've only lived here a couple of years so I really don't know. I did look around on it to see if there was anything to date it by but found nothing. We do, however, have some previous owners receipts that I will look thru.

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Mel-Dude. Water heater fixin is really quite simple. It sounds like calcium deposits on the elements. possibly...........  Here's an easy to do list.

1) Turn off power to the water heater.

1A) Turn off the water supply valve just above the heater.

1B) Drain the water heater.

2) Take off inspection covers.

3) Take any cheap voltage tester, it's 240v, and make DAYUM sure there's no power.  Circuit breakers get mis labeled all the time.

4) Disconnect the 2 wires going to the element, cap off, and push them out of the way.

5) Find a big ass socket to unscrew the elements. If they're not too old they should come loose pretty easy. See if they're all scaled up. If yes, replace.

6) They are only about 8-12 bucks to replace IIRC. Bring one with you to compare length and wattage.

7) After removing the bottom one you can shine a light around inside to see if there's mucho scale/calcium deposits in the bottom of the tank.

8) Put a little plumbers grease on the new elements o-ring and install. Hook wires back up.

9) FILL THE TANK WITH WATER BEFORE TURNING THE POWER BACK ON!

10) Make sure to do #9 above. Open a faucet to let ALL the air out of the water heater, THEN you can turn the power back on. 

11) Pull up a chair with a cup of coffee, or barley pop, depending on the time of day, and listen. Should be a nice humming sound.

12) Report back............

 



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Thanks, John, tempting but only if I can get the youngest step-son to come down and assist me or DO it for me. I'm dealing with some vision problems and am becoming more limited in my capabilities but I'm hoping for some change for the better. However, the barley pop is something I can still handle. biggrin



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John's post is a little more concise than mine.

Here are a few sites for your elucidation. 

http://www.youtube.com/watch?v=SlyStHM9Nr0

http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

http://www.wikihow.com/Repair-an-Electric-Water-Heater



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I think that's about what I was trying to say - but I have 1-1/2+ good eyes so 'assumed'.......................

You also can look at that anode - if you recall mine from a couple years ago:



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Dave W (Irelands Child/IC2)

Quando omni flunkus, moritati (When all else fails, play dead - R Green)



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I have done those rods way back when and I remember a lot of corrosion and hard to loosen threads but I eventually got it. I imagine that my step-son has had some experience also if I have to call on him. Thanks for all the input and info Gentlemen, it sure gives me a better perspective of what I can and need to do. Wrote two checks for some bills a while ago and I thought I was gonna have to get my magnifying glass GRRRRRRRRRRRRR

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OK, here's the latest on the HWH - - - - it has stopped making the noise and I have done nothing to justify that. UNLESS, it was to fix the upstairs toilet flapper that was leaking and had me very puzzled for a couple of days but that's another story much too embarrassing to tell. Could that cold water leaking out the toilet drain cause the HWH to make that noise ???? Probably a stupid question eh? Anyhow, so far there's plenty of hot water or at least seems to be and the noise is gone and I'm happy.

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check you're Hearing aid to see if the battery has died,wink



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What Hearing Aid????

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Mello Yello wrote:

What Hearing Aid????


 The one you need!!!!biggrin



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