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NGfL CYMRU GCaD www.ngfl-cymru.org.uk HOT & COLD WATER SYSTEMS.

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Presentation on theme: "NGfL CYMRU GCaD www.ngfl-cymru.org.uk HOT & COLD WATER SYSTEMS."— Presentation transcript:

1 NGfL CYMRU GCaD HOT & COLD WATER SYSTEMS

2 NGfL CYMRU GCaD 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. BOILER RADIATOR FLOW RETURN

3 NGfL CYMRU GCaD 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. HOT & COLD WATER SYSTEMS

4 NGfL CYMRU GCaD Cold water storage tank Hot water storage tank Boiler Radiators HOT & COLD WATER SYSTEMS

5 NGfL CYMRU GCaD Gas meter with incoming mains and isolation valves HOT & COLD WATER SYSTEMS

6 NGfL CYMRU GCaD Close-up of a gas meter readout HOT & COLD WATER SYSTEMS

7 NGfL CYMRU GCaD Gas governor and meter in a large University building HOT & COLD WATER SYSTEMS

8 NGfL CYMRU GCaD Above: Domestic cold water storage tank. Right: Hot water storage tank HOT & COLD WATER SYSTEMS

9 NGfL CYMRU GCaD Hot water boiler. HOT & COLD WATER SYSTEMS

10 NGfL CYMRU GCaD Isolation valves: if the handle or screw head is parallel to the pipe, then the valve is open. HOT & COLD WATER SYSTEMS

11 NGfL CYMRU GCaD Flexible filling hose of a combi boiler HOT & COLD WATER SYSTEMS

12 NGfL CYMRU GCaD Inside combi boilers HOT & COLD WATER SYSTEMS

13 NGfL CYMRU GCaD The burner of a combi boiler in operation HOT & COLD WATER SYSTEMS

14 NGfL CYMRU GCaD The boiler house of a University building under construction. HOT & COLD WATER SYSTEMS

15 NGfL CYMRU GCaD Hot and cold water is distributed via insulated pipework HOT & COLD WATER SYSTEMS

16 NGfL CYMRU GCaD Pipework in a small domestic heating and hot water system HOT & COLD WATER SYSTEMS

17 NGfL CYMRU GCaD Large panel radiator in an office building. HOT & COLD WATER SYSTEMS

18 NGfL CYMRU GCaD Above, radiators, with fixing brackets and thermostatic radiator valves. HOT & COLD WATER SYSTEMS

19 NGfL CYMRU GCaD 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. HOT & COLD WATER SYSTEMS


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