Direct Unvented Hot Water System Diagram

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Direct unvented hot water system diagram. These heating systems tend to be located in premises where there is no access to gas particularly upper level flats or apartments. Instantaneous hot water heating systems this method involves using gas or electricity to heat the water to a useable temperature without the need to store the water. The diagram below shows the general layout of an unvented hot water system. Unlike the unvented direct megaflo system the indirect version uses hot water supplied by an external source such as a traditional boiler.

A direct hot water cylinder uses heat sources physically located in the cylinder such as an electric immersion heater to heat the water. You must use a qualified plumber for the installation of an unvented cylinder this video briefly explains the basics of an unvented hot water system or. Watch me install the kingspan ultrasteel unvented direct cylinder to improve the hot water pressure and flow to my customer s taps. In this case the coil within the cylinder simply maintains the temperature of the hot water so that it remains at the temperature set by the cylinder s thermostat.

A guide to the different ways of heating domestic hot water so you can identify problems and faults with the hot water tank or central heating system and carry out any maintenance needed.