Pressure Switch Question

Discussion in 'Pumps and Tanks Well Forum & Blog' started by dbolong, Apr 2, 2011.

  1. dbolong

    dbolong New Member

    Mar 31, 2011
    Would changing my pressure from a 20/40 to a 30/50 be hard on my pump? I'm not sure if its completely necessary, however I would love to do it if it's not going to hurt anything or cut the life of my pump in half.

    My pump-
    Northern Industrial Shallow Well Pump Max PSI 72 — 1 HPNorthern Industrial Shallow Well Pump — 1 HP, Model# JGP12001CHT | Shallow Well Pumps | Northern Tool + Equipment


  2. LLigetfa

    LLigetfa DIYer, not in the trades

    Feb 6, 2011
    Information Technology
    NW Ontario, Canada
    The part missing from the equation is how high the pump has to lift the water. The Max PSI of 72 is probably with the pump down at the water table. Frequent cycling is more likely to kill the pump than longer cycles. I assume the varying low to high cut-in/cut-out pressure is what you find most irritating and a Cycle Stop Valve would give you constant pressure and reduce the cycling.
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  4. Tom Sawyer

    Tom Sawyer In the Trades

    Nov 29, 2010
    Probably not but I doubt that you will notice a huge difference.
  5. WellWaterProducts

    WellWaterProducts In the trades

    Feb 23, 2011
    Northwood NH
    You should be able to adjust to that point.
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