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Hydraulics and Circulation (16)

Featured Discussions

Check Valves

I am looking for a combination chech valve and flow meter. I have seen called "Flow Viz". Where can I buy one? 

Started by Rob LaneLatest Reply

Discussions Replies Latest Activity

Open Pit DE Vacuum Filters

Does anyone here have experience with the DE filters with the grids in a pit with an open top? They are vacuum filters, not pressure filter…

Started by Ben Jewell

0 Aug 26, 2017

Larger or smaller recessed spa jets nozzles?

Hello everyone! I have a spa "jets" issue that I was hoping to get some help with. I have a client with a pool/spa combo with a VSP.  The…

Started by Scott Kaiser

1 May 20, 2015
Reply by Kevin Misley

Turnover: Is there any research that verifies the conventional wisdom?

I am doing research for a story and I wonder if anyone can point me to research on turnover? In particular, has any research been done that…

Started by Kirstin Pires

50 Aug 28, 2014
Reply by John

Check Valves

I am looking for a combination chech valve and flow meter. I have seen called "Flow Viz". Where can I buy one? 

Started by Rob Lane

34 Dec 6, 2013
Reply by Bruce Wettstein

In-Floor Cleaning Systems with Solar Pool Heaters

What tips do you have about integrating solar pool heating systems into existing pools with in-floor cleaners? With the high head pressures…

Started by Jason Szumlanski

3 May 7, 2013
Reply by Rex Richard

Spa water level rises, but how?

Hey gang, I have a strange one here, hoping you can help. Customer has pool with separate inground spa, with half of the water below grade…

Started by Scott Coffman

8 Aug 29, 2012
Reply by Norman Tyree

plumbing theory

I see a lot of plumbing installations that mention having straight pipe runs of 3x dia of the pipe minimum before the pump. Whilst I unders…

Started by John

2 Jul 9, 2012
Reply by John

Hydraulic Friction loss charts for flexible pvc, or a good multiplier

Having a lot of trouble finding friction loss charts for flexible PVC, anyone have some insight, or the charts?

Started by John Warner

16 Jun 24, 2012
Reply by John

Dolphin water slide plumbing

what is the best way to plumb from a fiberglass pool , would you add a skimmer or add a couple or so fittings to the side wall. slide requi…


0 Mar 10, 2012

floating a gunite pool

Is it possible for a filled gunite pool to float?  I have come across a situation where it appears that a pool (not built by me) has floate…

Started by Ben Sawatzke

5 Mar 3, 2012
Reply by Norman Tyree


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