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.
1 Installing a high-efficiency oil boiler might cost $5,000 to $10,000 or more. 2  If replacing an older, low-efficiency boiler with a newer, more efficient model, you may have to install a new chimney liner at a cost of $500 to $2,000. If replacing an older, low-efficiency boiler with a newer, more efficient model, you may have to install a new chimney liner at a cost of $500 to $2,000.