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Cyanoacrylate and Quicklime

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Gordon W17/05/2017 10:00:13
2011 forum posts

Thanks for replies. Just got the thing exposed. There is a very minor leak at the bottom, small de-humidifier just about copes with it. Had considered sodium silicate but it needs heat to set and will probably dissolve again. This is only about two years old and had to rebuild the cupboard again. Fed up. Have considered chucking the whole lot away and replacing with separate water heaters.

Eugene17/05/2017 10:44:47
131 forum posts
12 photos

Be aware that Bicarb and Calcium oxide will not form a water resistant compound with a superglue type adhesive; both dissolve in water.

If you want to try a waterproof material I'd suggest slate powder, but in the case of a domestic cylinder thats already in failure mode, I'd bin it anyway.

Eug

Russell Eberhardt17/05/2017 11:17:32
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2785 forum posts
87 photos

Whatever happened to copper hot water tanks? They used to last 50 years or more. Now we have steel ones and are lucky if they last ten years. OK they are cheaper but they are more expensive in the long run.

Russell (having recently had to change a leaking hot water tank sad)

mark costello 117/05/2017 14:22:36
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800 forum posts
16 photos

Over here We have "glass lined" heaters. Cut one open and try to find the glass! laugh

Mark Rand17/05/2017 15:17:45
1505 forum posts
56 photos
Posted by Russell Eberhardt on 17/05/2017 11:17:32:

Whatever happened to copper hot water tanks? They used to last 50 years or more. Now we have steel ones and are lucky if they last ten years. OK they are cheaper but they are more expensive in the long run.

Russell (having recently had to change a leaking hot water tank sad)

Yes, but the steel tanks do provide nice cathodic protection to the copper piles, even if they are 'stainless'

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