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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.
1.1.00 The ‘HWA Design Guide for Stored Hot Water Solutions in Heat Networks 2018’ provides design guidance and advice for engineers who are looking to specify stored hot water solutions working within a heat network.
Hot water systems provide hot water around the home and are relative straightforward, with the majority of new homes having an unvented hot water system or direct hot water system fed from a combination boiler.
Indirect hot water heaters are a type of water heating system that uses a separate storage tank to heat water indirectly using the heat generated by a boiler or other heat source.
Hot water storage vessels for Domestic Purposes for use with Heat Pumps. Specification of particular requirements, test methods and labelling for hot water storage vessels designed primarily for indirect water heating using heat pumps.
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.
The indirect system prevents furring of the boiler, primary flow and return pipes, and hot water storage cylinder. Download to read the full chapter text Chapter PDF
