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Leaking water heater

I believe it may have been going on for some time as there is rust on some of the metal parts. Condensation on the tubing. the wall was hot to touch.
How I notice it it was when I was going to check the fuse box as my lights on that side of the mobile home wouldn't turn on. As I stepped into my walkin closet the rug was saturated.
I can see water dripping from the bottom. I
I plan to turn it off.

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  • axvieux Mar 21, 2009

    My Rheem 40 gal gas water heater is over 10 years old....has been leaking from the bottom (1 gal+ a day). Thank god it is in the garage

    with some light damage to the wall. The question is I cannot locate the leaky pipe within the unit and wonder if I need to have the whole unit replaced? The unit does not look bad. major rust . What do you all think? I welcome you advice.


2 Answers

Replace heater - brace yourself as you may have damage in floor as well- you can do this yourself if you have any plumbing experience . Minor electrical which is staight forward. Your thoughts?

Posted on Nov 06, 2008

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My tank is leaking from the bottom and we have no paperwork for this water tank because the people that installed it never gave it to us so is there something to replace on the bottom or do we have to replace the tank?

Posted on Nov 25, 2009

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1 Answer

Disconnected condensation drain on hot water heater.

Tankless or hybrid water heater?

Tankless gas must have special fitting between water heater and vent that has a condensate line fitting. Hot toxic vent gasses traveling up vent pipe cause acidic water vapor to form inside vent pipe that drips back down vent and drips onto heat exchanger and other parts eventually burning hole through expensive metal alloy heat exchanger, rendering tankless computer water heater useless after electric circuitry gets wet and shorts out.

Hybrid or heat pump type computer water heaters must have condensate drain connected to catch pan located just above storage tank and below compressor. Condensation can form on condenser coils and drip into catch pan where there is primary and secondary drain

Read product manual

Apr 17, 2014 | Water Heaters

1 Answer

My anode rod, and dip tube and t& P tube relief gasket is leaking

Copy following link for general troubleshoot:
Then add a comment and let's get the problem solved.

Anode rod is either connected to hot-water nipple, or installed in separate port located top of tank. Anode stops water heater tank from rusting.
Dip tube is a plastic tube that is connected to cold water nipple and extends to bottom of tank so cold water always enters tank bottom.
TP valve is brass safety valve that is screwed into a port located on top of tank, or located on side of tank, and will release water when pressure or temperature exceed rating of TP.

Oct 13, 2012 | Rheem Water Heaters

1 Answer

Water heater leaks

You have to replace water heater.
But you can buy-time if leak is small by turning heater off except when you need hot water. This will give you 30-60 days to shop and find best heater.

To prevent tank from rusting in this manner, inspect and replace anode rod each 2-4 years, and keep water pressure below 80psi.

Aug 24, 2012 | Water Heaters

1 Answer

RHeem 21v40-7 gas heather leaks on the top. Water comes out from all four connections: Cold water in connection, warm water out, rod dip, valve. Do i need to change it? Should I tightened the connections?...

You are sure it is LEAKING pater at all those 4 locations-- correct?
None of the water is from condensation, right?

If you have had pressure water leaks for many years-- then likely a lot of damage has been done to the insulation-- and the sheet metal outer liner?
Does the sheet metal 'skin' (outside jacket get real warm?-- if so, you are loosing a lot of energy -- Probably time to invest in a new, better insulated, and more efficient combustion burner-
and this time, Make sure there are NO LEAKS, when the installation is done!
Mack B

Jul 03, 2011 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

The metal deflector above the burner flame in the tube is rusting, scaling and overall thinning, does this mean a new water heater or can it be repaired? Thanks

Go to this link and download the PDF with picture and parts name on page 9 of PDF. Then you can better identify what you are trying to describe. I think what your trying to explain, can be replaced, and any RV dealer should be able to help you.

Mar 26, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

My Rheem electric hot water heater occasionally leaks water then stops completely. This has done this three times now over the pact couple years.

It sounds like TP valve is releasing water, but you don't describe where water is located.
Run through process-of-elimination check list on following link:

1) If problem is TP valve, event could be caused by 'stacking'
Stacking is where you draw amounts of hot water many times in succession.
Top part of heater is plenty hot because water heater is keeping up with hot water draw.
Incoming cold water enters bottom of tank through dip tube causing thermostat to read cool temperature and activate burner or element. This causes higher than ordinary temperatures at upper part of tank and TP valve reacts by releasing water.

2) TP valve could be going bad.

3) Improper venting can cause gas water heater to have water on top of tank or dripping down inside tank where it shows on floor after rusting out combustion chamber.

4) Thermostats are old or not reading correct temperature.
Turn down thermostats:
Replace gas valve on gas water heater, and flush tank.
Replace electric water heater thermostats

5) Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 17, 2011 | Rheem Water Heaters

1 Answer

Our 20 yr old water heater periodically gives much less hot water while taking a shower. I realize this is saying there's much less hot water in the tank that's actually as hot as I want it! Would this...

Hello, Your 20 year old water heater is nearing the end of it's useful life. Most water heaters last only 20 years before they start to leak. The reason most likely it has intermittent heat spurts is most likely due to two things, 1. The unit has a lot of rust in the water (you don't normally notice it during a shower) If you were to bleed off the rust by attaching a hose or bucket to the bottom of the heater's water outlet, and /or the over pressure tube located off of the top of the unit that has a copper pipe on it pointing toward the ground, that you would see a lot of rust come out of it. You could do this and get a bit more life out of it and better heat to boot, unless it decides to leak.
2. The water heater has a bad electric heating element (if it's electric that is). Replacing it may solve the problem but most likely the heater still isn't going to last too much longer anyways, so that would be a judgement call on your side.
You would in all likely-hood be better off replacing the entire water heater now while it is in a controlled environment before it leaks at some unfortunate time causing water damage and other damage at the same time when you are not around to control it.
Good Luck! Rich L.

Jan 02, 2011 | Water Heaters

2 Answers

Water leaking from the base of the tank

If you'r really lucky you may find a leaking fitting on top of the water heater thats draining down inside the shell and out the bottom, otherwise its time to replace a rusted out water heater.

Nov 08, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

We have a Reliance 501 (40 gallon) natural gas water heater Model 5 40 NORT0 Serial F94799798. Does it have a glass liner?

Your Reliance serial number shows your water heater was made in July 1994.

Except for the Marathon water heaters, and copper-tank water heaters, all tank-type water heaters are made of steel. That steel has an enamel coating which people call a glass liner.

So in that sense, there is a glass liner.
See a photo of the liner:

Also inside the tank is an anode rode.
The anode is made to protect the steel tank.
Anode is made from lower noble metal than steel, so water reacts with the lower noble metal first.
The water eats away the anode rod instead of rusting the tank.
Once the anode rod is gone, the water begins rusting the tank.
The enamel coating does not protect the steel from rusting.
The tank rusts away and begins to leak.,,20047047,00.html

Nov 01, 2010 | Reliance Natural Gas Water Heater Control

1 Answer

Rheem hot water heater, gas, pilot went out. Will not relight. Some rust under that area and damp. Thanks for your help!

You can try cleaning the thermocouple with a piece of emory clothe or replace the thermocouple. Watch and see if the moisture continues, it just be condensation from humidity from the lack of heat under there. If the moisture continues, you may have an early leak.

Mar 31, 2009 | Water Heaters

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