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If your home was built after 1930 the chances are it

If your home was built after 1930 the chances are it has cavity walls, meaning an inner and an outer wall cavity wall insulation fills the gap between the walls by drilling holes in the outer wall and pumping in insulation. They heat up the hot water cylinder that is fed by the water tank sitting in the attic the tank also has a way of topping up the system to make up for the water that is lost due to evaporation and what’s.

Added: 2018-06-29 | Category: boiler service
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