Draining & Isolating The Plumbing System
If you have detected a leak then you will need to be able to do this quite quickly it helps if you have detected in advance the mains water stopcock andor any necessary valves before hand http://www.simplifydiy.com/plumbing-and-heating/mains-water-systems/draining-system
Choosing A New Hot Water Storage System
K require the storage of hot water unless they use a combination boiler to heat the water http://www.simplifydiy.com/plumbing-and-heating/hot-water-storage
Domestic Plumbing Systems
Generally speaking domestic plumbing consists of two types of water systems http://www.simplifydiy.com/plumbing-and-heating/mains-water-systems