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Repipng Volumiser tank

 
Air Source Heat Pumps (ASHPs)
Last Post by DavidAlgarve 2 hours ago
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 2 years ago
Posts: 236
Topic starter 15/04/2026 6:05 pm   [#2952]

I intend to replace the Plex pipework in the area of my volumiser tank.

I now realise that the contractor who changed it from buffer to return line volumiser, used too many Plex elbows with the result that potential flow was significantly limited.

I will take the opportunity of putting the tank in the flow, but have 2 options for piping as the diagram.

Volumiser Pipework Alternatives

Option 1 is the easiest and minimises elbows/ bends, but has inlet and outlet on the same side of the tank.

Option 2 gives diagonal flow across the tank but will require more elbows/ bends.

I would welcome views on which is the better option.

 


342sq m "Upside down" house in Algarve. Portugal
Mitsubishi PUHZ-120YUK 12kW ASHP
12 Solar Panels Growatt Inverter
2 x Growatt 7.5kW Batteries
Fronius EV Charger
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