Re: Booster pump for backwash cycle of whole-house filter

On Aug 15, 9:12 pm, "justalurker ." <justalur...@xxxxxxxxx> wrote:
On Aug 15, 6:42 pm, "scorpionleather" <scorpionleat...@xxxxxx> wrote:





<trad...@xxxxxxxxxxxxx> wrote in message news:8ce59576-bf94-4472-84a2-
Why is he measuring the flow rate in a higher floor bath?
Presumably, the unit is going somewhere lower, much closer to the
well, fed by a much larger diameter pipe.   Also, many bath fixtures
have aerators, etc that restrict flow.   Before considering
alternatives, I'd find out what the real flow rate is.

I'll have him check the adjustment on the existing pressure tank and see if
he can measure the flow from a valve somewhere in the basement.  Do you
think that with such adjustments and different faucet location it would even
be possible that we could see an increase from 3gpm to 14gpm?  Would there
be any risk of running the well dry if we change the pressure setting?

After searching the web I found some info that people like to recommend the
Gould Aquaboost II or WellManager systems along with an atmospheric storage
tank.  The pump is supposed to intelligently know about the water demand and
regular its power pumping from this tank according to water demand.  If it
turns out we have to install something like that, I wonder if it is feasible
I could grab one from a supplier during my week-long trip to Vermont and be
able to install it as a DIY project.  Or if this would turn out to be one of
those complex things that a well company has to do along with engineering
analysis of the well yield etc...?

Increasing the GPM is only possible if you have the volume of water
behind the pump to sustain the desired volume.

14gpm is  quite a flow rate in any residential installation on a
municipal water system let alone on a well.

Say what? 14 GPM is a very typical flow rate for a residential
well. I have a 50 ft well here in NJ yielding 15GPM. Nothing
special, just a 4" casing. Had we gone to 110ft, there is much more
water and could have easily had 20GPM+ flow rate. And 14GPM would
obviously be a joke for any municipal well.



And how long is the backwash? You'd need to sustain 14gpm for the
entire time the filter is backwashing.

Increasing well output from 3gpm to 14gpm is quite a lofty goal that
may never be achieved.

We don't even know what the flow rate of the well is. Measuring 3
GPM at an upstairs faucet says nothing about the actual max flow rate
capability of the well.

It amazes me when the truly clueless chime in.
.

Relevant Pages

  • Re: Booster pump for backwash cycle of whole-house filter
    ... I'll have him check the adjustment on the existing pressure tank and see if ... It's the flow rate that is going to run the well dry, ... The flow rate is determined by the well, pump, and piping. ... regular its power pumping from this tank according to water demand. ...
    (alt.home.repair)
  • Re: Measure twice cut once
    ... The flow rate is about 10GPM but thats when its on. ... my actual GPM is 1.4. ... should have plenty of water ...
    (alt.home.repair)
  • Re: Increase surface tension of water
    ... When I increase the flow rate, the water will ... Maybe you should make the tube opening triangular. ... 'wet' to the material of the orifice ...
    (sci.physics)
  • Re: Tankless h2o heaters
    ... Now of course the model you mention is 185F, but if you follow their temp charts http://www.rinnai.us/documentation/downloads/R94LSi_SP.pdf ... The issue would be not scalding someone in the house if they turned on the water at the same time you were drawing water for the infusion. ... IMO it would be better to draw off hot water at a reasonable temp, say 120F and then heat it up in your kettle to the desired strike/sparge temps. ... I'm willing to guess that the flow rate decreases significantly for 185F; though this would not be much of a concern. ...
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  • Re: TOTALLY OT: Pumping water with an elevated pump.
    ... Consider a chunk of water at the top of the water column. ... The pressure at the bottom is 1 atm. ... this approach is practical (high enough flow rate) or not. ...
    (comp.dsp)
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