Water tank leaking

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Old 05-24-13, 07:00 PM
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Water tank leaking

I have a BoilerMate model WH7L water tank. It is leaking. My question is two fold. One, could it be repaired? Two, where the hell do I buy one and how much do they cost to replace? I looked at the big box stores and they had no idea what I was even talking about, and I saw nothing there that looked the same. Except a "well tank", which I assume has no heat exchanger in it, and it just a tank. Here is a picture of the leak. You can see the paint bubbled up. I put a couple towels down, but is it safe for a few days-weeks till I can replace it?
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Old 05-24-13, 07:07 PM
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Old 05-24-13, 07:35 PM
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Old 05-25-13, 12:02 AM
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Similar thread a day or two ago also listed from somebody else.

The Boilermate is supposed to have a "lifetime" residential warranty. Contact Amtrol about it. They will NOT cover the labor to replace it but should cover the unit.
I presume if you feel the tank it is warm on the outside. Haven't seen the bubbled paint before so might have been leaking for a while. NO guarantees on how long until it leaks more from bottom or worse. The metal "should" hold as that's what is designed for but yours is obviously compromised already.

History of mine and many I read on with same issue. The plastic liner cracks and water gets between the liner and outer shell. This means it's also mixing with the insulation and possibly your hot water.

Why did it fail? Many don't have the potable water expansion tank installed on the cold water supply to water heater. Once system is sealed the water/pressure in tank expands with heat, plastic flexes and crack at seams. Happens to MANY water heaters not just indirects, glass lined tanks, center flue on oil/gas etc. I think it's code now to install the expansion tank (but wasn't in the past). Different water qualities can also effect, not sure how much on the plastic vs. metal.

Option - get the new one and sell it or maybe local supply house will give you credit for the new and you can get a stainless version like Superstor Ultra.
 
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Old 05-25-13, 06:17 PM
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The last time I cleaned my element I am pretty certain my WH7 had a stainless liner, but yes they should have a lifetime warranty on the tank.
 
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