Why does not freshwater lakes become salty eventhough it meets ocean at somepoint? Do oceans grow more or less salty over time? If the oceans were only as salty as a fresh water lake, and had always been that way, would there be more life in the oceans that had evolved ...
Replacing a boiler typically costs an average of $50-$300, but this price can be drastically higher depending on where you live and the location of the boiler. Replacing leaking, aging, or bad ductwork costs an average of $35-$55 a linear foot for labor and materials, depending on the length and type of ducts.
There are plenty of other short-cuts, but these are the primary and most common ones. OK, I still haven't said how much a new boiler should cost ;-) Well.... a cheap and cheerful boiler from B&Q or similar is about 400.A day's work to fit it, taking all available short cuts will be about the same, so 800, roughly.here are plenty of other short-cuts, but these are the primary and most common ones. OK, I still haven't said how much a new boiler should cost ;-) Well.... a cheap and cheerful boiler from B&Q or similar is about 400.