[dave.e]

Hi guys i have bee using a flow controller  that i got from pure freedom about 9 months ago. before the flo con i was running straight of the battery with a shurflo 100 psi 6.4 lt pm with no problems at all for 5 years. the problem that i have now is i bought one off these pumps http://www.vyair.com/scripts/prodView.asp?idproduct=105   and over the last week or so i have been working away and the water would stop went back to van to find out the flo con was very warm and would not respond. so i bypassed the flo con and worked the rest of the day with out it but did get though a lot more water i did ring pure freedom and they told me to send it back to be checked over. my question is i have been told to get a 100 psi 4 lt per min pump and use it without the flo con can some one please shed some light on this matter because its realy hacking me off now many thanks Dave

[Spruce]

Dave
Sorry to hear of your plight, but maybe that Vyair pump is drawing too high a current for your controller - this may explain the heat. Have you still got your Shurflo to stick back and test the system again with it? If it works fine then the place to look is the pump.

[dave.e]

Dave
Sorry to hear of your plight, but maybe that Vyair pump is drawing too high a current for your controller - this may explain the heat. Have you still got your Shurflo to stick back and test the system again with it? If it works fine then the place to look is the pump.

Hi spruce i have got the old pump but need some new bushes for the motor so i do not want to send back the flo con till i know weather its the pump or the unit like you said. just need to get to the bottom of this because that flo con could end up under me wheel on the van be long. what i could do with knowing is dose anybody run the 100 psi 4lt pump without the controller and how much more water do they use

Dave

[Spruce]

Hi Dave,

This probably isn't a lot of help to you. The second Shurflo pump I have on my system is a 4l Shurflo. I brought it from Williamson's about 5 years ago as I was experiencing pressure switch problems with my 5l pump which was cycling.
It worked fine to be fair without a flow controller, but in those days we used brushes with 3mm jets. Water consumption per day was a real issue as I had one of Peter Fogwill 375 litre trailers and an additional 100 litres in drums in the van would get me to about 3.30pm.

When we changed to brushes with 2mm jets we immediately noticed the 4 litre pump was cycling and so went over to Varistreams. In those days I preferred a flow of about 1.5 lpm and the Varistreams helped reduce my water wastage. I would estimate that my average day's water saving was between 75 and 100l. I started to use Minibore at the same time and have about 80m on my hose reel.

The reason why the 5 litre pump was blowing pressure switches was that it was in a pump box that filled up with water when an internal pipe sprung a leak. I stripped it down and let it dry out in a warm spot for a few weeks and put it back together. Bought another Varistream and it's still working today.

If I were in your position, I would buy a Varistream / pump / filter kit and replace the lot. The messing around trying to save a few pennies can cost dearly with downtime in my experience. You can still work in the meantime, maybe do work closest to home so you can top up through the day (if you use an IBC tank) and at least get something done.

I know there are guys out there who advocate a 5 litre pump will supply the perfect amount of water using 100m of micrbore hose, without the pump cycling, so I can only talk from my experience.

Spruce

[Spruce]

Also meant to add:
the Varistream and Shurflo pump are designed to work together, so you get a head start as at least the system is compatable.

[dave.e]

Also meant to add:
the Varistream and Shurflo pump are designed to work together, so you get a head start as at least the system is compatable.

thanks mate for info you are right i will have to  spend some more money at least i get it sorted once and for all cheer bud.