Draining down central heating may be necessary if several radiators require removing from the system at the same time. This video shows how to drain down a combi central heating system.

 

 

How to drain down a central heating system. This video demonstrates how to drain down a combi boiler, but a conventional system is not much harder, it just means that the water that is feeding the header tank has to be isolated.

Category: Central heating Videos

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http://www.ultimatehandyman.org/video/central-heating/drain-central-heating.php

 

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