On Sun, 29 Feb 2004 21:20:10 -0000, "SpeedyC"
wrote:

I've just knocked my bathroom and toilet into a single room
(7'6"x7'6"x8'3"). I used Barlo's heat loss calculator to work out that I
needed approx 3200 btu so have installed a 3900 btu Biasi towel radiator.

Was this figure gross or derated to account for the actual water
temperatures? With a conventional boiler, you need to generally
multiply manufacturer's gross output figures by 0.9.

Did you account for air changes in the room?



I was expecting toasty but although the radiator is very hot, the room is,
at best, slightly chilly. The radiator (or system) hasn't been balanced but
gradually closing the lockshield valve seems to have little noticable
effect.

Opening it should increase the output up to a point.

To ask the obvious question - you haven't got towels on it have you?

The output quoted will be without of course.



Any ideas because I'm not looking forward to shaving tomorrow morning...

Thanks,
col




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