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The supply system is split into several zones supplying a maximum of 12 floors each. This ensures adequate water pressure on all floors without using pressure relief valves.
The indirect system prevents furring of the boiler, primary flow and return pipes, and hot water storage cylinder. The system is also employed in soft water districts when heating is combined with hot water supply, to prevent rusting of the cast iron radiators, which causes discolouration of the water to be drawn off.
This document discusses different methods of hot water supply systems. It describes electric, gas, solar, and central hot water heating systems. It also explains the differences between direct and indirect central hot water systems.
A combination T&P relief valve offers economical and effective protection. A relief valve on a water supply system is exposed to elements that may affect its performance, such as corrosive water that attacks materials and deposits of lime that close up waterways and low passages.
direct cross connection is a piping system connecting a raw water supply, used for industrial fire fighting, to a municipal water system. • An indirect cross connection is an arrangement whereby unsafe water, or other liquid, may be blown, siphoned or otherwise diverted into a safe water system.
The document summarizes water supply systems for houses. It describes direct and indirect cold water supply systems. For hot water, it discusses localized and centralized hot water systems.
You can use this page to download a disc image (ISO file) that can be used to install or reinstall Windows 10. The image can also be used to create installation media using a USB flash drive or DVD.
