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[Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 28, 2013 06:35PM
I'll spare you of the previous two threads, Lets just say that we sometimes ran out of hot water, and Black keeps track of my threads and he will probably post the links here within minutes.

So here is the latest: I start a shower, hot water, shampoo, by the time to rinse, you guess it, cold water. Rinsing my beautiful hair with cold water is not fun. I waited for about 2 hours after that and still no hot water. I need to shower again tomorrow morning and obviously I can't take another cold shower.

so here is the diagram, upper and lower elements. I disconnect power and open the panels.

Diagram (high resolution)



Upper Element: looks like the red switch (Hi-Temp switch) needed to be reset since it clicked when I pushed it. Since I had the panel out, I measured some resistances.

(high resolution)



Heater is OK, measures some 12.6 Ohms which make sense. Looking at the Hi Temp Limit switch, 1-2 = 0 Ohms, 3-4=0 Ohms (but this was AFTER I Reset the switch).

Upper Thermostat: 1-2=0 Ohms, 1-4 Open.

So all seems normal here.

Now moving to the lower heating element (high resolution)



Again heating element 12.6 Ohms. But thermostat 1-2= Open, as far as I understand this should have been closed (0 Ohms). Terminal 4 is not connected.

So looks like the thermostats for the lower heating elements is defective, which I have been having intermittent issues with this water heater.

I checked and we have Hot water again, probably from the upper element, but how can I fix the lower thermostats? is this part something I can replace myself or it has a sensor that goes inside the water tank, and I need a plumber to come exchange it?

Thanks
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: Black
Date: January 28, 2013 06:39PM
I'm sorry, you have not posted about this before.




New forum user map 8/2015: [www.zeemaps.com]
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: nwyaker
Date: January 28, 2013 06:47PM
I'd try moving the temp dial on the thermostat back and forth and then rechecking resistance - may be corrosion on contacts. If no joy, replace thermostat.
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: GGD
Date: January 28, 2013 06:48PM
Quote
Black
I'm sorry, you have not posted about this before.

[forums.macresource.com]
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 28, 2013 06:48PM
Quote
nwyaker
I'd try moving the temp dial on the thermostat back and forth and then rechecking resistance - may be corrosion on contacts. If no joy, replace thermostat.

forgot to mention that I did that, no joy sad smiley
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: Z
Date: January 28, 2013 06:51PM
Sounds like bad lower thermostatic switch, which looks like it can be replaced without pulling the heating element. Without make/model number, however cannot be any more specific.
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 28, 2013 06:51PM
Quote
Black
I'm sorry, you have not posted about this before.

hmm, your memory is fading Black smiling smiley

In reply to [forums.macresource.com]

Quote
Black
Looks like you got some pretty good advice in the previous thread, and nothing has changed. What is it you're looking for?
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: Z
Date: January 28, 2013 06:52PM
Short term you could probably cheat and jumper off of the upper thermostat, but you would run the risk of moving too much current through and frying both parts of the system... but if you used a relay...
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 28, 2013 06:53PM
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: nwyaker
Date: January 28, 2013 06:56PM
Call local hardware store with info. Bet they have a thermostat in stock. These things are relatively generic.



Edited 1 time(s). Last edit at 01/28/2013 06:56PM by nwyaker.
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: Z
Date: January 28, 2013 06:56PM
A quick search of that model number indicates some thermostat issues - [www.applianceblog.com]

[www.doityourself.com]

etc

Here you go - [www.statewaterheaters.com]

Z
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 28, 2013 07:05PM
cool, thanks

or should I say Hot, thanks?
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: wolfcry911
Date: January 28, 2013 07:29PM
what was the approximate water temp when you were testing?

you mentioned the ECO was tripped, which would indicate very hot water unless a decent length of time transpired before your testing. If the water was indeed very hot, the upper thermostat is defective (1-4 should have been 0 and 1-2 open) and the lower thermostat is fine (1-2 should be open when temp is hot).

if the water had time to cool, then the lower thermostat is defective.



Edited 2 time(s). Last edit at 01/28/2013 07:38PM by wolfcry911.
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: NewtonMP2100
Date: January 28, 2013 08:38PM
perhaps what gives you the 'beautiful hair'.....IS.....the cold water......???



_____________________________________

I reject your reality and substitute my own!
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: Racer X
Date: January 28, 2013 09:59PM
Actually, shocking your hair at the end of a shower/shampoo with cold water for a few seconds is supposed to make it shinier. Maybe it promotes more scalp oil. Dunno...
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: NewtonMP2100
Date: January 28, 2013 10:49PM
Quote
Racer X
Actually, shocking your hair at the end of a shower/shampoo with cold water for a few seconds is supposed to make it shinier. Maybe it promotes more scalp oil. Dunno...


that's what I'm talk'n 'bout.....



_____________________________________

I reject your reality and substitute my own!
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 29, 2013 09:26AM
found both units on Amazon

[www.amazon.com]

[www.amazon.com]

reviews look good and imply they are easy to install. Order placed!

Thanks guys.
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: space-time
Date: January 29, 2013 09:26AM
while I am at this, should I replace the sacrificial anode(s)? is that a DIY or I need to call a Plumber?
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Re: [Paging Appliance Pros] Water Heater, Part 3
Posted by: Z
Date: January 29, 2013 11:19AM
The anode rod goes in the top of the water heater, I want to say, so it should be a fairly simple wrench-out and wrench-in with some plumbers dope/ptfe tape - if your anode is spent.
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