Discuss Expansion vessel hose in the UK Plumbing Forum | Plumbing Advice area at PlumbersForums.net
It's a DHW system, not a nuclear reactor! If a pressure measurement is needed for some reason it's easy to attach a temporary test gauge to a HW outlet. Also, you need to be careful adding permanent pressure gauges as it's easy to create blinds (dead legs) in the process.Having read lots of posts regarding unvented cylinder problems I have never heard of one that has a installed pressure gauge, seems a bit strange?.
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