tuberider said:
AFA the noise, try slicing in sections of spa flex to dampen the vibration.
The spa-flex seems to transmit the noise as well. As does the thicker vinyl tubing.
But yes, better than solid PVC.
I think a fair amount is transmitted in the water as well as pressure waves.
What did work in a quick test setup:
1) Install a vertical pipe, right off the pump, full of air. Like you have in house plumbing systems, to reduce hammering.
This reduces the noisy pressure waves in the water.
2) Install a loop (not at all straight) of the thin ribbed flex tube.
But I don't really have the room for all that, plus I do not trust that thin ribbed flex tube in any sort of pressure situation.
What also helped was simply holding the output tube. So I am thinking that clamping a big heavy block of wood to that might work.
With that wood being isolated from everything.
Or possibly even clamping something to the concrete garage floor.