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Joy Joy is offline
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Default High temp patch for instahot tank


My 3 1/2 year old Insinkerator insta-hot water dispenser (model H770)
sprang a leak in the plastic case. I can't even see the crack but a soap
water bubble test while pressurizing the tank shows it is there. It seems
to be near or along a 'rib' of the plastic tank.

Can anyone suggest an easily available high temp, waterproof glue or patch
material to try a repair? It's hard plastic and obviously stays quite hot
all the time with 190+ degree water in it.

I see the newer models have a stainless steel tank. The company says it is
to stay competitive. I wonder if that's the real reason.

Thanks for any repair suggestions before having to purchase a new one.

Joy
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Default High temp patch for instahot tank


"Joy" wrote in message
news

My 3 1/2 year old Insinkerator insta-hot water dispenser (model H770)
sprang a leak in the plastic case. I can't even see the crack but a soap
water bubble test while pressurizing the tank shows it is there. It seems
to be near or along a 'rib' of the plastic tank.

Can anyone suggest an easily available high temp, waterproof glue or patch
material to try a repair? It's hard plastic and obviously stays quite hot
all the time with 190+ degree water in it.

I see the newer models have a stainless steel tank. The company says it is
to stay competitive. I wonder if that's the real reason.

Thanks for any repair suggestions before having to purchase a new one.

Joy


replace it.

1: it's an unknown plastic, and without knowing the composition, any
patching material is just a guess. there are plastics that nothing sticks to

2: what would be the cost to you if it splits and continues running in your
house whilst you're out?

regards,
charlie
cave creek, az


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Default High temp patch for instahot tank

On Mar 13, 10:55*am, Joy wrote:
My 3 1/2 year old Insinkerator insta-hot water dispenser (model H770) *
sprang a leak in the plastic case. I can't even see the crack but a soap *
water bubble test while pressurizing the tank shows it is there. It seems *
to be near or along a 'rib' of the plastic tank.

Can anyone suggest an easily available high temp, waterproof glue or patch *
material to try a repair? It's hard plastic and obviously stays quite hot *
all the time with 190+ degree water in it.

I see the newer models have a stainless steel tank. The company says it is *
to stay competitive. I wonder if that's the real reason.

Thanks for any repair suggestions before having to purchase a new one.

Joy


You could repair it with a fiberglass epoxy composite patch, but the
materials and techniques are far beyond the average DIY capabilities.
The common sense recourse is to eliminate your stress by replacing
the failed unit. Almost a no-brainer considering the new design is
better suited to the job. HTH

Joe
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Default High temp patch for instahot tank

Joy wrote:

My 3 1/2 year old Insinkerator insta-hot water dispenser (model H770)
sprang a leak in the plastic case. I can't even see the crack but a
soap water bubble test while pressurizing the tank shows it is there.
It seems to be near or along a 'rib' of the plastic tank.

Can anyone suggest an easily available high temp, waterproof glue or
patch material to try a repair? It's hard plastic and obviously stays
quite hot all the time with 190+ degree water in it.

I see the newer models have a stainless steel tank. The company says it
is to stay competitive. I wonder if that's the real reason.

Thanks for any repair suggestions before having to purchase a new one.

Joy



I'd say you'd be miles ahead replacing it.

If one crack developed over time, who's to say another one won't occur a
couple of months after you spend all sorts of time patching the present one.

I just replaced our kithen sink's Insinkerator Insta-Hot when I noticed
a wet spot on the cabinet floor beneath it. That bugger had served us
faithfully for at least 21 years.

I couldn't resist opening the old one up before I chucked it to see how
badly shot it was. It had a copper tank in it, so they must have
switched to plastic at some time after ours was made and then went over
to stainless steel, maybe because of too many problems with the plastic
ones.

Jeff

--
Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
The speed of light is 1.8*10^12 furlongs per fortnight.

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Default High temp patch for instahot tank

On Thu, 13 Mar 2008 16:21:08 -0400, Jeff Wisnia
wrote:

Joy wrote:
My 3 1/2 year old Insinkerator insta-hot water dispenser (model H770)
sprang a leak in the plastic case. I can't even see the crack but a
soap water bubble test while pressurizing the tank shows it is there.
It seems to be near or along a 'rib' of the plastic tank.
Can anyone suggest an easily available high temp, waterproof glue or
patch material to try a repair? It's hard plastic and obviously stays
quite hot all the time with 190+ degree water in it.
I see the newer models have a stainless steel tank. The company says
it is to stay competitive. I wonder if that's the real reason.
Thanks for any repair suggestions before having to purchase a new one.
Joy



I'd say you'd be miles ahead replacing it.

If one crack developed over time, who's to say another one won't occur a
couple of months after you spend all sorts of time patching the present
one.

I just replaced our kithen sink's Insinkerator Insta-Hot when I noticed
a wet spot on the cabinet floor beneath it. That bugger had served us
faithfully for at least 21 years.

I couldn't resist opening the old one up before I chucked it to see how
badly shot it was. It had a copper tank in it, so they must have
switched to plastic at some time after ours was made and then went over
to stainless steel, maybe because of too many problems with the plastic
ones.

Jeff


Thanks, everyone. All good advice. Especially the comment about springing
more leaks after the first one was repaired.

Also interesting (VERY interesting) about the copper tank then the plastic
then the steel one. They will never admit to a problem but I'm wondering...

I ordered a new one. At least they gave me a better price than I could
find anywhere else. (After all, it was under four years old!) I was hoping
to fix and reuse the old one somewhere, some how, but you are all wiser
than I so I am going to listen to your good advice and toss it.

Thanks

Joy
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