Zylo Guides

Guide to Domestic Heating Systems describes the various common designs
for the provision of heating and hot water in private dwellings.

Guide to Heat Loss Calculations shows how to calculate heat losses from a
room in order to determine the required radiator size.

Guide to Heat Loss From Pipework gives an estimate of heat loss from un-lagged steel and copper pipework.

Guide to Malleable Iron Fittings - metric dimensions of BS1256 fittings.

Guide to Radiator Sizes and Heat Output enables the heat output from new, old and obsolete heating radiators to be estimated.