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roxborotom

04:45PM | 06/28/04
Member Since: 06/27/04
7 lifetime posts
Bvplumbing
I did a partial rebuild of the water system in a house the family has in the poconos of Pa.. The water is very hard. We have a pump, pressure tank, filtration tank, salt system, and a new 50 gallon water heater, (installed in October of 2003). The problem I am having is that after I installed the new water heater (electric) we are getting a strong odor of a smell similar to sulfur only on the hot side. The water is clean and odor free on the cold side. Both sides are softened. Since I had to move the whole system from one side of the house to the other, I replaced the old (20 years) water heater with same brand, new one. My question is, what could be causing the smell. I am not a plumber by trade, but do know most of the maintanance of the system. A friend had suggested that maybe since I did not install Dielectric nipples, that it may be the cause of the smell. Is this possible? I thought they helped with corrosion problems only. The filter system is a media type. I check and replenish the limestone when needed. I do not believe it could be this because of the cold side being so clear. It has been getting increasingly strong (the odor) in the past month. i appreciate any suggestions.... thanks - Tom

tomh

08:14PM | 06/28/04
Member Since: 07/01/03
549 lifetime posts
Just a wild guess, but if your new hot water heater has a magnesium anode, that can be the cause of hydrogen sulfide smells. An aluminum anode does not seem to cause the problem in systems with sulfur. Aerating the system or replacement of mangnesium anode with aluminum may help.

Gary Slusser

07:28AM | 07/03/04
Member Since: 02/17/04
112 lifetime posts
Your water must have some sulfate in it and some sulfate reducing bacteria. They and a new anode rod create the hot water only odor. Your old heater's rod was gone long ago and one of the other parts of the formula may not have been present until recently; grondwater changes with time. Removing any one of the 3 parts of the formula stops the problem but... so does increasing the temp of the heater to 140f which is easy to do. Try it and see what happens over 3-4 days, that will prove the 'theory'.

Gary

Quality Water Associates

roxborotom

06:59AM | 07/05/04
Member Since: 06/27/04
7 lifetime posts
Thanks for the replies.. I am picking up a new anode today and will install it this weekend.. I will let you guys know how it went.. thanks again - Tom

tomh

07:05AM | 07/05/04
Member Since: 07/01/03
549 lifetime posts
It helps to get feedback to see what solutions work for a problem. Let us know how the new anode works out for you.

roxborotom

04:48PM | 07/13/04
Member Since: 06/27/04
7 lifetime posts
I have a 50 gallon AO Smith water heater.. I went to the plumbing supply house.. told them i needed to change over the anode from magnesium to Aluminum.. they stated that an Aluminum one was standard in the original.. I asked are they sure.. they pulled out a brochure that stated so.. so I ended up replacing the Aluminum anode with a magnesium instead.. hmm.. we shall see.. well anyway.. the anode for the AO Smith is a flexable one.. It is made up of 5 - 10" lengths of Magnesium, they are connected to each other by an inch of twisted cable.. this is so if you have close clearance to a ceiling, it will go in very easy.. The original anode I removed was only about 30 " long. It looked scaled up pretty good. What was great about the anode installation, was that the anode was screwed in by itself.. I had looked at a setup on a Bradford White, the anode is part of the Hot Side, and is sweated on.. So you need to heat up the pipe, disconnect it, move it, and then slide the anode out.. The Bradford white anode comes in one length, so you need to cut it to size.. and it is not flexible..

The AO Smith anode is a 1" or so threaded insert, 2 minutes you are done.. While i had the anode out, I shut of the heater and flushed and drained it 3 times until clear water ran.. It was kind of dark at the bottom of tank.. I will let you know how well this new anode works.. - tom

roxborotom

04:50PM | 07/13/04
Member Since: 06/27/04
7 lifetime posts
thanks

roxborotom

07:16PM | 04/06/05
Member Since: 06/27/04
7 lifetime posts
okay.. I re-read my original post and just wanted everyone to know that yes, the water is still clear and odor free... thansk again.. - tom

MistressEll

08:33AM | 04/07/05
Member Since: 01/30/05
361 lifetime posts
Kudos and congrats on returning to post an update and continued solution of your former troubles Rox....

and special kudos to tomh for his careful and thourough explanations. I sure do hope that TomH happens by and sees your post, bet it will bring him a pleased smile, so rare that folks think to return and offer thanks!

Congrats Tomh...nice to get a "pat on the back, ain't it?".


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