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Spruce

  • Posts: 8452
Re: Pentair PRF RO, Views
« Reply #20 on: December 24, 2017, 10:48:05 pm »
taken on board,
so spruce   it  wouldnt be any use  thinking about a 4040 or similar untill i tried to obtain more water pressure from my home tap first.
as you say a bigger booster pump will drain the water too fast. causing problems,      my pressure was around 23 / 25   very low for a big ro setup.

The other important issue is how much water you get from your tap when its fully open. If memory serves me a 4040 needs 7 - 8lpm to be safe. (I think Alex Gardiner had the correct info on his site, but the booster pump he supplied is no longer listed.)

A booster pump will increase the water pressure but if you don't have enough water coming into the r/o you will have issues.
Success is 1% inspiration, 98% perspiration and 2% attention to detail!

The older I get, the better I was ;)

johnny bravo

  • Posts: 2695
Re: Pentair PRF RO, Views
« Reply #21 on: December 26, 2017, 12:33:09 pm »
there may be a few lads with low pressure not knowing or even testing what it is.