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How long do I have on a leaking HWH?

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How long do I have on a leaking HWH?

Old 02-05-2018, 07:43 AM
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Default How long do I have on a leaking HWH?

Have a 12 year old 75 gallon gas HWH. I noticed the dissimilar metal issue when we bought the house. It was too far gone to put a nipple in there- knew I was on borrowed time.

2 years later- now- there is a puddle of water on the top and the overflow pan always has some water in it.


I know I am on borrowed time... but any guesses as to how long I have.


Plumber quoted me $2500 and my price direct was $900 I have replaced HWH before when I was a baby builder, but that's a lot of tank to wrestle by myself
Old 02-05-2018, 07:47 AM
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you wouldn't have to "wrestle" a rinnai tankless

that's what I'd replace it with

Old 02-05-2018, 07:48 AM
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Long shot here, but where are you located?
Old 02-05-2018, 07:48 AM
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sooner rather than later, on your time. otherwise, it`ll go in the middle of the night, while your away, etc etc...
see if a licensed guy will offer a cash discount..
20 year master, just my 2 cents
Old 02-05-2018, 07:49 AM
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You have zero time. Is it in your house or garage?
Old 02-05-2018, 07:52 AM
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The tank is leaking. Replace it now.

Do you really need a 75 gallon unit? We've lived with a 50 gallon gas water heater for 40 years and have never run out of hot water (3 adults). $2500 sounds at least 2X what a replacement 50 gallon unit + installation should cost.
Old 02-05-2018, 07:52 AM
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My last one was from Lowes at a reasonable price and they installed took old one away for about $95.00.
Old 02-05-2018, 07:56 AM
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I'd change it now. Hell, mine wasn't even leaking and I just replaced it. It was 17 yrs old and wasn't heating as well as it used to. I figured it was good PM to just replace the whole damn thing given the age. 50 Gallon tank, removed and replaced myself on the 2nd floor of my house. No issues.
Old 02-05-2018, 07:57 AM
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It is not that heavy empty. Drain the old one first.
Old 02-05-2018, 08:17 AM
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You got any friends that would come over and help slide the old out and the new back in?

when that drip turns into a spray hitting the walls you will wish you had taken care of it sooner
Old 02-05-2018, 08:37 AM
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Originally Posted by 99yam40 View Post
You got any friends that would come over and help slide the old out and the new back in?

when that drip turns into a spray hitting the walls you will wish you had taken care of it sooner
Yup.....friends in the hood were on a cruise when their 7 year old State brand let loose in a 2nd floor attic.....incredible damage
Old 02-05-2018, 08:46 AM
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Originally Posted by Drock0601 View Post
Long shot here, but where are you located?
f-burg Virginia

think a 50 gal should be fine

yeah.... borrowed time eh? ok- will go get one this weekend
Old 02-05-2018, 08:49 AM
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Half the people I know now just throw shark bite connectors on for water heater replacement. They even make a 3/4” $25 fitting that has a built in shutoff valve - so you basically cut the supply copper, jam the shark bite on, and roll the new tank in place. I hate the things but they seem to work fine and if nothing else are a great stopgap until you have time to redo.

The hardest part is draining, be sure to account for that taking longer than expected.

In any case a wh replacement should be a few hours at worst.. sounds like you are on borrowed time already, this sounds like a project for yesterday.
Old 02-05-2018, 08:53 AM
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If you have a leak, shut the main water supply off when not home

And always do this when leaving for an extended period like if you go on vacation.

My 80yr old mother in law knows to do this.
Old 02-05-2018, 09:36 AM
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tankless I researched. not worth running a new pvc vent through two finished rooms

understand I am on borrowed time....
Old 02-05-2018, 09:46 AM
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X2 on the shark bites. Have put in a few in rental homes we have and never had an issue. Depending on location of the tank it took less than an hour to complete.
Old 02-05-2018, 09:50 AM
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I would cut the water to it now. I drained my tank couple years ago and forgot to turn the power back on. I realized it 4 days later when I had no hot water.
Old 02-05-2018, 10:02 AM
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Originally Posted by rocksandblues View Post
tankless I researched. not worth running a new pvc vent through two finished rooms

understand I am on borrowed time....
Where is your current vent?
Old 02-05-2018, 10:12 AM
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You might consider contacting your local utility company and see if they have any "energy saver" programs related to water heaters.

We used the local utility company's program when we bought a house in 2001. We paid less for an 80 gal WH with installation, etc., than we would have for a 50gal from HD, and the utility company included free maintenance.
Old 02-05-2018, 10:50 AM
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Originally Posted by Still Stoked View Post
Where is your current vent?
its right over top of the HWH
BUT as I understand it the tankless need the modern pvc supply and exhaust

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