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Anode corrosion in hot water heater. - Whirlpool Air Conditioners

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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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A.O. smith model fpsh50 water heater has smelly water i know its the anode rod and it's on top of the tank but where and how to take it out


Hi and welcome to FixYa, I am Kelly

Use this link to locate your EXACT model.
http://www.hotwater.com/resources/product-literature/parts-lists/
There are 6 different types of FPSH50
270, 271, 270E
235
236, 237
250, 251
251, 252
260, 261, 261E

Download the manual for your unit. The anode rod just unscrews CCW from the fitting on the body of the hot water heater.

I checked the 250, 251 model

Using 3 and 9 o'clock for the plumbing connections as a reference, the anode would be at the 6 o'clock position under the metal cap in the top.
The part number for your anode is in italic bold below.FPSH50 -250. -251

1 ......... Anode - Aluminum (.750" dia.) Standard Models.......... 43817-25 ................... 43817-25 ................. 43817-38

1 ......... Anode - Aluminum (.840" dia.) Optional ...................... 180618-29 ................. 180618-29 ............... 180618-35
1 ......... Anode - Magnesium (.840" dia.) Optional .................... 183463-29 ................. 183463-29 ............... 183463-38

Thanks for choosing Fixya,
Kelly

Sep 09, 2011 | Air Conditioners

1 Answer

Hot water temp seems ok but flow has got slower. Does not appear to be a problem with the diverter valve, as it is not bypassing. (this valve was changed last year) Mains cold pressure is fine. Boiler...


The last sentence in the description of the problem, says it all.

I too, have had the problem, Tony. But, in addition, to the hard water,I discovered something that I didn't know. In our home's water system (our home is 30 years old) , someone prior to our ownership had installed a 6' section of galvanized pipe (possibly a repair). If you're not familiar with galvanized pipe and what hard water (High iron content) will do, it rust from the inside out. This 6" piece was almost totally clogged with rust and corrosion. This is also the effect it can have on a water heater. Especially, the sacrificial anode rod inside the heater (if it's an electric water heater) That's why it's so important to drain and flush your water heater, at least once a year.

I mention all of the above, because you very well, may be experiencing the same issue. The way to resolve it requires a little detective work on your part. Check you piping to see if any is galvanized pipe, rather than copper or PVC. Keep in mind, that the sink fixtures, may very well may be galvanized, if your home is 30 or more years old. If you find any, I highly recommend replacing it, before something goes wrong in the middle of the night or while you and your family are away from home. If you hard water is a result of using a well, place a whole house water filter on the main incoming water line. It does not have to be a charcoal filter. And to make your water more palatable, install an automatic water softener. For me, it was all money well spent.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

Jun 16, 2011 | Air Conditioners

1 Answer

I have 40 gallon Gas hot water heater. I need t replace the anode rod. I need to know the size


Normally, gas tanked water heaters do not have a an anode rod.It's not required. Only electric tanked water heaters do.
To help you to understand the workings of a gas tanked water heater, click on the following link.

http://homerepair.about.com/od/plumbingrepair/ss/hwh_tank_gas.htm

Apr 05, 2011 | Air Conditioners

1 Answer

Water heater isn't making hot water




Hi,

If your electric hot water heater is not working...check out this tip about electric hot water heater problems

Electric Water Heater not Working


heatman101


Feb 08, 2011 | Air Conditioners

1 Answer

Hot water leaking from what i think to be the pop off valve. i tried to tighten it a little and it started leaking more. The unit is 16 years old. The excess water is draining into the catch pan and then...


Hello
16 yrs old? Im guesing this is a hot water heater.Not a air conditioner.

If its still making hot water you may not need to replace the whole unit.
The valve that is leaking is a high pressur relief valve and they do go bad the sprigs become weak over time and some corrosion may not allow the valve to seat properly.

1st step is to shut off all incoming and out going water to the tank.
2nd Shut off fuel or gas to the unit, and annonce to everyone your are working on the hot water heater.
3rd at the very bottom should be a drain valve much like a hose spicket,open this slowly and drain the tank,remember the water will be hot.You may not need to drain it all the way,while draining pop open the relief valve,when you stop getting water from it,you are below it and can turn the drain valve off.
4th remove old relief valve and replace with a new one,i think they are rated at 15 psi or 30 psi blowoff pressure,hopefully there is a tag on it with that info.

When you go to install your new one use some pipe thread compound or teflon tape around the threads before you reinstall valve.
Once done slowly refill tank with water, check for leaks.When full open up hot water valve to house and relight buner.open a faucet in kitchen to hot to bleed off any air.

Jan 14, 2011 | Air Conditioners

1 Answer

Rusty water -


With the right tools and elbow grease its not that big of a deal.

Most folks try tackling it with chanel locks and a pair of pliers. without the right tools, it can be a challenge.

You may have an hours work, and less than 30 bucks in the job.

A new heater will run you 350 bucks easy.

Jan 16, 2009 | Air Conditioners

1 Answer

Whirlpool water heater has smally hot water i am unable to locate anode rod to remove/replace it


Your anode rod is at the top of the water heater and may be under a plastic plug. I have seen them foamed over as well. You can get a replacement rod from a good plumbing repair shop or from the internet. Pull up your model on the net to see where your rod is located.

Dec 19, 2008 | Air Conditioners

4 Answers

Whirlpool water heater anode rod


Just replacing the rod with the same thing will not get rid of the odor. You can sometimes lessen it by using an aluminum rod instead of the magmesium rod but you lessen the protection your tank has. You could install a powered anode ( a little over $200 ) that would do a beter job. The other options are softening the water (but then you have more corosive water), installing a filter system ( filters can get expensive ) chlorinating the water ( again more corosive ), or removing and leaving the rod out ( this lowers the life of the heater and voids warranties ) I would consider the powered anode over the other choices.

Alot of these are very hard to break loose...they make a special tool that uses a torque multiplier and braces againt the tank for leverage, but I wouldn't think you would want to buy one- they are about $600. If using a breaker bar with a 3 or 4 foot pipe and a 6 point socket does not break it free you can try this: drain a few inches of water out of the tank and heat the hex part of the anode with a torch. Then pour some parafin on the thread are- it will get into the threads and may help you break it loose. Any way you do it is going to require some force. Good luck

Dec 18, 2008 | Whirlpool Air Conditioners

1 Answer

Water heater problem (no leak on floor)


shut off the power to the hot water heater wait 5 to 15 min. If the noise stops it is the water heater eating up electricity. Turn it back on if noise starts again feel about 5 or so feet down the hot water line. If this line is hot you have a leak beyond the hot water heater. If you still hear it when the power is off to the water heater. next turn the water off on the cold water line at the water heater with the power off also Look at the water meter and see if the hand or wheel on the meter is moving and it should no be. Also think if the breaker to the hot water is off the electric meter should practically stop if no refrig oe anything else on. Have someone watch the electric meter and switch 1 breaker at a time leaving the one you just shut off in the off position until you cut them all off. Should the meter still be moving you have a main service cable shorting somewhere call the power company to advise you further if this is the problem.. Should just cutting the circuit breaker for the hot water heater stop the noise and down the hot water line is not hot then you are probably wasting power due to a thermostat or element inside the hot water heater.. Thank you j




Nov 23, 2008 | Ruud Central System Air Conditioner

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