1 Lug (BeoÄin), a village in Serbia. 2  Lug, County Offaly, a townland in the civil parish of Durrow, barony of Ballycowan, Ireland.  Lug (Derventa), a suburb in Bosnia and Herzegovina region Bosanska Posavina.
1 If you are keeping the same type of boiler (e.g. if you have a existing combi boiler you are replacing it with a new combi), the price to buy and install it will start at about Â£1300 provided there are no real plumbing adjustments required.pproximate starting prices are discussed below: 1  If you are keeping the same type of boiler (e.g. if you have a existing combi boiler you are replacing it with a new combi), the price to buy and install it will start at about Â£1300 provided there are no real plumbing adjustments required.
A combi boiler installation will cost on average Â£550. Obviously, costs do vary according to the different boiler models and whether you are replacing your radiators. Combi boilers prices vary from Â£650 to Â£2000, depending on the model you buy.he downside of replacing your old back boiler with a combination boiler is reliability. For all their mod cons, improvements in heating efficiency, combi boilers are not as reliable as the old the back boiler. The life span of the combi boiler is also less than the old back boiler.