Hi , Your back boiler will disconnected and a condensed boiler will be fitted. You can use your existing heating system but be sure that a powerflush is done when you get it installed. for more info...
Yes you can bleed a combi boiler. You do just the same as with a conventional boiler. However, the pressure will drop in your system, so you simply need to adjust it using the little tap (usually...
A new boiler will cost about $3000 for a standard efficiency model, but for a more efficient boiler it can run up to $8000 plus. It is important to have a contractor size up your system. If you buy a...