If you are unsure as to which combi boiler will be the best for your budget, speak to one of the knowledgeable members of the support team at direct heating supplies we are here for you hours for your convenience! Customer in ashford, //. The coke/pepsi idea is fantastic! i don't like either anyway, and it makes a lot of sense to use great hub and very useful as many have this problem at one time or another voted up! Asbn kw / phase output connection.