Steve weightman
Gas Engineer
- Messages
- 186
Any reason why this cold water expansion vessel would be found in a domestic house it's massive
Discuss Expansion vessel in a domestic house in the Plumbing Jobs | The Job-board area at PlumbersForums.net
Just connected to a cold inlet the system is unvented with system boilerWhat's it connected to? Need much more info.
Do You think it's acting as cold water storage the thing is there's no outlet just cold water inlet connectedSounds like an accumulator then. Is pressure not too clever where you are?
Do You think it's acting as cold water storage the thing is there's no outlet just cold water inlet connected
All I can see is a cold feed to it will a lever valve for isolation. The pressure drops slightly with the valve isolating the tank is off. I can't imagine how it's meant to increase the pressure as the pressure in the tank will only be the same as the incoming mains .I bet they get a good power shower out of it! May be historical, might have had water pressure problems in the past. That might have improved since, but never taken pressure vessel out.
Make sure it has the correct diverter in the supply connection into the vessel so that there is no static water in it that could breed bacteria. It should send some if the flow into the vessel and back out, but some filters don't know what it is and therefore don't fit it. From the outside looks like an ordinary tee, but it has a clever sort of scoop inside it.
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