Hi
Im going to change a boiler - the current system is an ideal E type non pressurised system, hot water tank and with microbore feed to radiators. - I would like to install a large combi with a store facility (I suppose I like the idea of instant water and heating only the water I require) - doing away with a leaking hot water tank and header tanks.

Questions
1) Can I use a combi with micro bore?
2) If I can not, is there anything special I need? ie a dam big pump?
3) What happened to the copper hot water tank, is this megaflow thingy the replacement - have you seen the price of those things!!!!!

Thanks for all info

Cameron