This video is all about the white expansion vessel next to your unvented hot water cylinder. The potable or drinking water expansion vessel. We show you why they need to be installed, how they account for hot water expansion and what can happen when they fail.
We also introduce to you the new Global Water Solutions or GWS expansion vessel. Made with butyl rubber and thick metal wall, these beasts are at the top of their game in potable, drinking and standard water expansion. Remember you need to be G3 qualified to work on pressurised systems. Enjoy!
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