Setting a well pump regulator

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Old 12-10-16, 03:10 PM
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Setting a well pump regulator

I'm Looking for guidance on how to adjust a regulator on a shallow well discharge pump. My water pressure is low in the house, can I adjust it up with this? What pressure should this be set at?
Thanks in advance....

TexasFire
 
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Old 12-10-16, 03:23 PM
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Do you have a holding pressure tank? I would advise installing one inline. I have never seen a PRV used in a well situation. To answer your question the PRV is adjustable to an extent, but the pump will cycle on and off constantly at greater pressures. What determines when your pump turns on and off?
 
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Old 12-10-16, 04:42 PM
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Yes, the pump discharges to a bladder tank, then thru a sediment trap filter followed by a cartridge filter and then a water softener. There is a pressure switch set I believe at 30 start and 50 stop.
Not sure what the function of the PRV is and where / how it should be set.

TF
 
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Old 12-10-16, 05:15 PM
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You need a system gauge. Somewhere that sees the pump pressure.
Then you need a gauge on the house line....after all the filters.

Are you sure the sediment filter and the cartridge filter aren't clogged ?

Can't tell from the picture which side the gauge is with that valve.
You can't adjust anything until you know what needs to be changed.
 
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Old 12-11-16, 06:13 PM
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Arteriosclerosis in the pipes or a defective regulator can also result in low house pressure.

Under normal operation the pressure maintained by the pressure tank varies from the pump turn on pressure to the pump turn off pressure. Usually the house plumbing is fed directly from this source.

A pressure regulator can be used so the house plumbing stays at a more uniform pressure but this has to be at or below the pump turn on pressure. Increase the regulator pressure setting and the house pressure will start to vary (from pump turn on pressure to regulator set pressure) since the regulator cannot pass on a higher pressure than the rest of the system upstream (pressure tank, etc.) is currently at.

In most cases the pump turn off pressure is within tolerances for house pressure so no one bothers to install a pressure regulator.
 
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