Heliotrope Smith wrote:

A compartment ventilated to a room or internal space requires 10 cm2 per
kilowatt (net) of the boiler maximum rated input at high level. Low level
requires 20 cm2 per kilowatt (net)
You should find the rating information on the plate fixed to the boiler.
Grills should be non closable and not covered in any mesh/flyscreen etc.


Thanks all. I couldn't get any torrents to start d/l. :-(

--
Rod

Hypothyroidism is a seriously debilitating condition with an insidious
onset.
Although common it frequently goes undiagnosed.
www.thyromind.info www.thyroiduk.org www.altsupportthyroid.org