Dave Plowman (News) wrote:

Unless you're meaning two bathrooms, a decent storage system with a fast
recovery cylinder should be capable of re-heating the cylinder in the time
most would take to have a bath.

Yup, what you say is right for a well designed storage system. However
mine wasn't! Recovery time after running a bath was approx 45 mins!
(with the boiler cycling like it was in the tour de france).

So unless you had a nice long soak, it was not ready to run another
straight away after (or even top up the current one with hot water).

The cylinder was a bit undersized for the bath (large corner bath,
450x900mm cylinder).

You also used to get lots of air in the system , and while having a
shower it was easy to drain the header tank (which was not plumbed with
the dedicated shower cold feed set lower than the cylinder feed - so it
could get rather hot without warning).

I did tinker with a few bits of it to make it a bit more usable (like
new shower head with slightly lower flow requirement to save the
scalding, and upped the cylinder temp to about 75, so that way you could
add enough cold to be able to fill the bath, upgraded the controls, and
replumbed the vent so that it stopped sucking in great gobs of air to
the CH circuit), but never CBA to set about it in a big way and re
design it from scratch. So all in all I was not too sorry to replace it.


--
Cheers,

John.

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