2 HOT & COLD WATER SYSTEMS To heat a property with a boiler, water is heated and then distributed to rooms pipe work. Heat is introduced into the rooms via convection radiators.RETURNFLOWRADIATORRADIATORBOILERRADIATORRADIATORRADIATORRADIATOR
3 HOT & COLD WATER SYSTEMS A boiler with a cold water header and hot water storage tanks can be used to heat a house.Alternatively, a combination (“combi”) boiler may be used. Combi boilers are suitable for small dwellings, and simultaneously supply hot water for heating and sinks / taps.
4 HOT & COLD WATER SYSTEMS Cold water storage tankHot water storage tankBoilerRadiators
5 HOT & COLD WATER SYSTEMS Gas meter with incoming mains and isolation valves
6 HOT & COLD WATER SYSTEMS Close-up of a gas meter readout
7 HOT & COLD WATER SYSTEMS Gas governor and meter in a large University building
8 HOT & COLD WATER SYSTEMS Above: Domestic cold water storage tank.Right: Hot water storage tank
13 HOT & COLD WATER SYSTEMS The burner of a combi boiler in operation
14 HOT & COLD WATER SYSTEMS The boiler house of a University building under construction.
15 HOT & COLD WATER SYSTEMS Hot and cold water is distributed via insulated pipework
16 HOT & COLD WATER SYSTEMS Pipework in a small domestic heating and hot water system
17 HOT & COLD WATER SYSTEMS Large panel radiator in an office building.
18 HOT & COLD WATER SYSTEMS Above, radiators, with fixing brackets and thermostatic radiator valves.
19 HOT & COLD WATER SYSTEMS Under-floor heating can also be used to heat a building. Hot water is pumped through pipes which are set into the floor screed. As heat rises, it warms the floor slab and the air in the room.
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