"Christian McArdle" wrote in message
. net...
I was wondering whether the heating coil in the cylinder limits the
length of immersion that can be fitted? Can I still heat the entire
tank with just the immersion?

Yes, but get a side entry immersion, not a long top mounted one. The lower
it is mounted, the more of the cylinder it will heat.


Yes but... A low mounted side entry one will need to heat all of the water
before the top water is hot. The top entry one will get hot water at the top
quicker (and lower down slower, of course) than the low mounted side entry
one. Fancy immersion cylinders have one at the top (fast for small amounts)
and one at the bottom (or used to). Decide on your usage pattern and act
accordingly.

If you don't have the immersion on a timer and forget to put it on and use
small amounts of hot water, I would suggest a top mounting one is more
appropriate. If it comes on before you get home and you like baths,
Christian's suggestion is probably better.

Top mounted ones are also easier to change (with respect to draining the
tank).


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not)