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Anode corrosion in hot water heater. - Whirlpool Heating & Cooling

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Thats what its fgor replace it, if it doesn't corrode your tank will..

Posted on Jun 15, 2008

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Replace an anode rod in gas water heater, my hot water smells, someone said replace the rod.


The purpose of the anode is to prevent corrosion of the tank. If you are experiencing smelly hot water, that may be traceable to the water source.

Nov 17, 2016 | Water Water Heaters

2 Answers

I have water in the junction box on top of my hot water heater and into the electrical conduit leading to the hot water heater.


I do not see your earlier post with photo.

The problem could be the conduit.....
-disconnect the conduit and wires from water heater
-run wire into a junction box set lower than top of water heater... -then run another #10 wire from the junction box up to water heater...
-So if water is coming from conduit, it will accumulate into junction box and not in the water heater wiring cavity.

Next thing....
... a water softener can cause rusted tank.
-Softened water adversely affects anode rod...
-causing anode rod to deplete faster...
-once anode rod is gone, then tank begins to rust.
-Here are details for checking anode rod each 2-3 years:
http://waterheatertimer.org/Replace-anode-rod.html
http://waterheatertimer.org/How-to-maintain-water-heater.html
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Gene

Water Heater Timers Save Money

Mar 05, 2015 | Rheem 82v52-2 Tall Electric Water Heater...

1 Answer

Anode replacement. where is the anode rod located on a ruud g100-200 gas water heater


either in the anode port on top of water heater, or connected to hot water nipple as a combo ... or both if unit has 2 anodes

http://waterheatertimer.org/Replace-anode-rod.html



Gene

Sep 25, 2014 | Rheem ruud g100-200 water heater,gas,100...

1 Answer

Water heater anode


If you have power vent, the anode might be located in a separate port on the top under the power vent.
Otherwise, the anode can be a 'combo' and connected to hot water nipple.
Copy following link for more information
http://waterheatertimer.org/Replace-anode-rod.html

Aug 07, 2012 | RTO W4 A.O Smith Gas Hot Water Heater...

1 Answer

What is the purpose of the magnesium rod inside the water heater (bock)


These anode rods, sometimes made from aluminum, prevent corrosion. The rod emits ions that line the tank and help prevent corrosion. The rod isn't solid magnesium or aluminum; it has an iron core. If your hot water smells of sulfur (rotten eggs), the anode rod has gone bad or there is a presence of hydrogen sulfur gas that is overwhelming the rod. Usually replacing the rod will stop the odor, but sometimes chlorination of the tank is necessary.

Oct 25, 2011 | RTO Bock Water Heaters 32E 32 gal 104,000...

1 Answer

My water heater is leaking and only 4 years old. Will the use of a water softener void the warranty?


The warranty should not be void by using water softener, BUT read product manual.
http://waterheatertimer.org/Water-heater-manufacturers.html

1) First thing: Why is water heater leaking? Where is the leak?
http://waterheatertimer.org/Leaking-water-heater.html
For example, if you have electric water heater leaking from element, then replace element.
Replace leaking TP valve.
If water is leaking down vent pipe, and combustion chamber rusted out, then vent problem must be corrected.
These are not covered by warranty.
If tank is rusted out, then read below.

2) If water heater is rusted out after 4 years, you might have stray current corrosion.
This happens when hot and cold pipes are not connected together with a ground wire, and/or if cold water pipe is not grounded to earth.
This might not be covered by warranty.

3) Read water heater instruction manual for advisories.
Tanks rust out when anode rod is depleted. Softened water depletes anode rod faster.
Instruction manual says to check anode rod each year.
Checking anode rod is like checking oil on an engine. If oil was never checked and engine burned up, the manufacturer will not honor the warranty.
If anode rod is depleted, and tank is rusted out, the warranty might not cover the rusted tank since owner was supposed to check for anode depletion.

4) Anode rods can also be covered with calcium deposits and stop working.
This night not have anything to do with water softener, but anode stops working and tanks rusts out.
In any case the owner's manual probably says to check anode rod to prevent leaking from rusted tank
http://waterheatertimer.org/Replace-anode-rod.html

Sep 07, 2011 | Water Heaters

1 Answer

I have a hot water heater model # EES 52917. It is 8 years old. The tank has rusted around the top heating element. Why has this happened and what can be done about this issue. From what I understand...


AO Smith is biggest manufacturer and ships about 140,000 units per month sold under different brands. Look at rating on tank. Is it a 9 year tank? Or 6 year? Or lifetime?
http://waterheatertimer.org/Water-heater-manufacturers.html

Number of factors can cause rust around element:

1) Element is seeping moisture: check and replace element.
Elements can start leaking any time
http://waterheatertimer.org/Water-heater-is-leaking.html

2) Anode rod can be depleted from variety of factors including water softener or calcification over anode so it will not work: Check and replace anode rod every 1-2 years with water softener, every 3-5 without water softener. New anode rod will STOP the rust, but will not repair tank that is rusted.
Tanks with longer warranties have 2 anode rods, one on hot water nipple, the other on top of tank.
http://waterheatertimer.org/Replace-anode-rod.html

3) Stray current corrosion: add a jumper wire between hot and cold pipes, and make sure tank is grounded. If there is stray current, it will deplete steel in tank if tank is not grounded.
For example one fellow had a tank that rusted out every few years until he discovered his big radio antenna was grounded back to hot water pipe and the tank was not grounded, so the interference depleted his tank.
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html#Ground-tank

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you via e-mail or phone while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 23, 2011 | Water Heaters

1 Answer

It si 7 years old an leaking inside the unit on top of the burners


Tank is rusted out, and requires replacement.

I) To protect yourself from ruptured tank, you should turn it off and use it only when hot water is needed.
http://waterheatertimer.org/Emergency-steps-for-leaking-water-heater.html

II) How to install ordinary tank-type water heater yourself:
http://waterheatertimer.org/How-to-install-gas-water-heater.html

III) There are 5 preventable things that kill a water heater and cause it to rust away.

1) Anode rod depletion.
Loosen anode rod before installing water heater.
http://waterheatertimer.org/Replace-anode-rod.html

2) Stray current corrosion
http://waterheatertimer.org/9-ways to save-with-water-heater.html#Ground-tank

3) Sediment build up because no water softener
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

4) Corrosive effects of water softener, and anode rod not inspected (see #1 above)

5) Chemicals stored in same room as gas appliance.
Read page 2 of manual below
http://waterheatertimer.org/pdf/Service-manual-for-ignition-resistant.pdf

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you via e-mail while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 21, 2011 | Rheem Tank Water Heater G100-200, 100...

1 Answer

Lost hot water pressure


Why do you suspect sediment from the hot water heater? There are no screens to clean before the faucets, so if you are getting sediment it should show up in the shower head screen. How is the water pressure at the shower while you have the head off?

There should be a sediment valve on the hot water heater (down low) that you are supposed to open once-twice a year to flush out the sediment at the bottom, however I suspect that you probably have a build-up of hard water deposits somewhere along the line. There is also an anode rod inside the water heater that wears out over time and must be replaced. The harder your water, the faster it corrodes. Once it is gone, the corrosion moves on the the heater itself - usually at the junction of two different metals.

The anode is accessible on the top of the heater, but the heater must be turned off and the water supply shut before checking the rod - best to have a plumber do it if you haven't done it before. If the corrosion is too bad, you will need to replace the water heater itself.

Mar 22, 2010 | Plumbing

1 Answer

I get a "rotten egg" smell when I run the water in my house. We have a Rinnai system and city water. Is this a common problem with a tankless system? Can it be corrected?


there is a anode inside most normal water heaters that will cause this problem when water has not been used for a few days
not sure if rinnai use's an anode did you install lime tamer or corrosion system
on incoming line to protect water heater
if oder is only on hot side this is a possible solution

Dec 07, 2009 | Cars & Trucks

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