Hot Water Systems. - ppt video online download
{"Image DocumentName": "Conventional SystemBoiler. Sink. Mains water supply. Header tanks. Indirect hot water cylinder.", "Image ImageDescription": "Traditional system for central heating in the UK. Boiler heats up water which round heating and hot water system. Feed tank supplies water which flows between boiler and radiators. When heated this water expands- if heating controls go wrong the water may give off steam or even boil. Expansion pipe discharges to feed and expansion tank, this gives the heating system an outlet to release pressure in this situation. This is an open vented system.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}