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Posted by k on August 9, 2008, 9:34 pm
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I have a gas hot water pressure storage tank that's sprung a leak from
corrosion - I've checked the tank and it's at one point only..
my bad, I didn't keep up with replacing the anode (I forgot)..
now I'm not a welder but I've done a lot of welding in the past from car
panels to 1/4" plate - what would be the best advice, either:
drill it out, weld it up and weld a plate over the weld or just get another
tank?
thanks in advance :)
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Posted by Grant Erwin on August 9, 2008, 9:43 pm
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k wrote:
> I have a gas hot water pressure storage tank that's sprung a leak from
> corrosion - I've checked the tank and it's at one point only..
>
> my bad, I didn't keep up with replacing the anode (I forgot)..
>
>
>
> now I'm not a welder but I've done a lot of welding in the past from car
> panels to 1/4" plate - what would be the best advice, either:
>
> drill it out, weld it up and weld a plate over the weld or just get another
> tank?
>
Drain the tank down some, braze up the hole, dig out your paperwork from
when the tank was purchased to see if it has a lifetime warranty. If so,
start aggressively agitating to get a new tank for free.
When the new tank comes, tear down this one. I found a brass/copper heat
exchanger inside my old one which weighed about 50 pounds, and at $3/#
for copper and $2/# for brass, that's worth scrapping!
Grant
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Posted by k on August 9, 2008, 10:06 pm
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| k wrote:
|
| > I have a gas hot water pressure storage tank that's sprung a leak from
| > corrosion - I've checked the tank and it's at one point only..
| >
| > my bad, I didn't keep up with replacing the anode (I forgot)..
| >
| >
| >
| > now I'm not a welder but I've done a lot of welding in the past from car
| > panels to 1/4" plate - what would be the best advice, either:
| >
| > drill it out, weld it up and weld a plate over the weld or just get
another
| > tank?
| >
|
| Drain the tank down some, braze up the hole, dig out your paperwork from
| when the tank was purchased to see if it has a lifetime warranty. If so,
| start aggressively agitating to get a new tank for free.
|
| When the new tank comes, tear down this one. I found a brass/copper heat
| exchanger inside my old one which weighed about 50 pounds, and at $3/#
| for copper and $2/# for brass, that's worth scrapping!
nice :)
these tanks only have a 5 year warranty and I'm a couple of years past that
:/
no copper inside either unfortunately ..
I couldn't see that it wouldn't be a viable repair but I wasnt able to find
much info on the web about similar repairs .. and it seemed a shame to throw
a tank for one small hole! I was thinking of mig welding it, but braizing
it will probably do nicely
k
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|
Posted by RoyJ on August 9, 2008, 10:29 pm
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Mig weld will be a disaster, the pin hole is likely the center of a
larger thin spot. Hit it with mig, instant burn through.
It is always a safety issue to weld on ANY pressure vessel. Triple that
for for something that is mission critical to keep the house warm. I'd
suggest getting a new tank. If nothing else, it gives you peace of mind.
k wrote:
> | k wrote:
> |
> | > I have a gas hot water pressure storage tank that's sprung a leak from
> | > corrosion - I've checked the tank and it's at one point only..
> | >
> | > my bad, I didn't keep up with replacing the anode (I forgot)..
> | >
> | >
> | >
> | > now I'm not a welder but I've done a lot of welding in the past from car
> | > panels to 1/4" plate - what would be the best advice, either:
> | >
> | > drill it out, weld it up and weld a plate over the weld or just get
> another
> | > tank?
> | >
> |
> | Drain the tank down some, braze up the hole, dig out your paperwork from
> | when the tank was purchased to see if it has a lifetime warranty. If so,
> | start aggressively agitating to get a new tank for free.
> |
> | When the new tank comes, tear down this one. I found a brass/copper heat
> | exchanger inside my old one which weighed about 50 pounds, and at $3/#
> | for copper and $2/# for brass, that's worth scrapping!
>
> nice :)
>
> these tanks only have a 5 year warranty and I'm a couple of years past that
> :/
>
> no copper inside either unfortunately ..
>
> I couldn't see that it wouldn't be a viable repair but I wasnt able to find
> much info on the web about similar repairs .. and it seemed a shame to throw
> a tank for one small hole! I was thinking of mig welding it, but braizing
> it will probably do nicely
>
> k
>
>
>
>
|
|
Posted by RJ on August 9, 2008, 11:57 pm
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Having cut many tanks apart I have found that once a pin hole is found,
there are several other places where the metal is nearly gone. Buy another.
In regards to the anode rod, I never replace mine, reacts with the water
here (farm) an produces a bad smell. My tank last about ten years, some as
long as fifteen.
Rick
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> corrosion - I've checked the tank and it's at one point only..
>
> my bad, I didn't keep up with replacing the anode (I forgot)..
>
>
>
> now I'm not a welder but I've done a lot of welding in the past from car
> panels to 1/4" plate - what would be the best advice, either:
>
> drill it out, weld it up and weld a plate over the weld or just get another
> tank?
>