Hi Darren,
Thanks mate, I’d agree with you from the arrows.
Previously I had the pipes the other way around so the water supply was right and membrane left.
I only did this as after looking at a web page picture from pure freedom the hoses appears to be this way round - see photo from their website.
You can see that they’ve got the water supply going into the attachment with the tap..
Re the noise of the pump, no it didn’t change when I adjusted the booster tap on right.
Thinking I may have put an airlock in the pump or worse case damaged the vanes