Quick question about thermal stores

Sorry to pop back in with a serious question - what's the disadvantage with the internal coil type of store?

Are they a disproven technology or is the bad reputation just because of Gledhill?
 
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If he posts here I will be ignoring him, he's had more aliases than I've had hot dinners, but no amount of underlining, bold type and insults will ever convince me he has a clue :LOL:

Don't see how he doesn't have a clue. This was a system design he advocated......
http://imageshack.com/a/img151/3707/pict0001vwz.jpg

Weather compensated flow through an integrated thermal store with dhw coil.
The store acts as a buffer to prevent cycling and also acts as a low loss header.
Not to shabby eh? And its a real miser on oil consumption.


Whats that lot feeding? 7 rads and 1 bathroom i bet :LOL: :LOL: :LOL: :LOL: :LOL: :mrgreen:

Oh if it were down to Dr Drivel it would be well over engineered!! I remember one thread where he wanted this guy living in a 2Bed Barret semi to fit a 1200Ltr buffer tank...... :eek: :LOL:

Never laughed so much since the wife died!!!!....... :LOL:
 
Sorry to pop back in with a serious question - what's the disadvantage with the internal coil type of store?

Are they a disproven technology or is the bad reputation just because of Gledhill?

Can be a pain when/if they scale up.

Can't put a bigger one on if more hot water needed. Mine has a 100kW plate on the side ;).
 
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Sorry to pop back in with a serious question - what's the disadvantage with the internal coil type of store?

Are they a disproven technology or is the bad reputation just because of Gledhill?

One word; sludgebucket!!



I wouldn't go as far as to call them sludge buckets, but I am stuffed if I know where the little flecks of magnetite are coming from in mine.

:LOL: :LOL: :LOL:
 
I've always thought that the large volume on Primary water is the cause of large amount of sludge in any so called 'sludgebucket'. Hence the coils as DIA has suggested; keep the large volume of water away from the ferrous metals.

By the way, if this doesn't flush out the infamous Dr Drivel nothing will!!... :LOL:
 
By the way, if this doesn't flush out the infamous Dr Drivel nothing will!!... :LOL:

I'm hoping he's been banned long enough to actually get some sensible replies :D All good so far, much rather get the advice of people who know rather than manufacturers catalogues :)
 
sludgebucket!!

Can said sludge be prevented with a few bottles of inhibitor? Or is it a more fundamental problem?

Some stores are designed with domes top and bottom. Mostly European designs. Lets see if Dom can think of any.
Any cylinder manufacturer will fab them up that way for you.
So you have return to the boiler at the very base combined with a drain off.
So any sludge has no where to accumulate.
 
Except the return pipe at the very bottom when the system shuts down and the sediment all sinks to the bottom. :LOL:

The store acts as an oversize pipe in this case. So the sediment rarely returns to the store.

Where do you think it accumulates?
 

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