Discuss What is the pressure in this cylinder expansion vessel? in the UK Plumbers Forums area at PlumbersForums.net
Thanks.The black needle is the pressure reading, showing around 0.6 bar, that's under the 1.0 stated.
The red is just a guide indicator that can be moved anywhere on the dial to indicate a maximum advised upper or running pressure.
Reply to What is the pressure in this cylinder expansion vessel? in the UK Plumbers Forums area at PlumbersForums.net
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