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Is a Pump Relay Needed

Discussion in 'Irrigation Pumps & Supplies' started by SB2020, Feb 27, 2020.

  1. SB2020

    SB2020 LawnSite Member
    Messages: 3

    Looking at doing a project with multiple zones, 30 psi with 7-10 GPM for each zone 3-4 PGP ultras per zone. House is running a pressure tank from a 20 GPM well on a 2 HP Submersible Pump, well is about 450 ft deep. Irrigation for the sprinklers planned to run at night. Planning on running two Rachio 16 zone controllers. Clay soil. Tall Fescue 50x90 Lawn with 5 stations.

    28 Gallon 40-60 psi Pressure Tank.

    Is a pump relay usually required? First project not on city water.
     
  2. OP
    OP
    SB2020

    SB2020 LawnSite Member
    Messages: 3


    Sorry 85 GPM pressure Tank
     
  3. Mdirrigation

    Mdirrigation LawnSite Platinum Member
    Messages: 4,484

    The well should have a pressure switch with a 40/60 cut out . It should get you 60 PSI . It can be adjusted by the well guy
     
  4. OP
    OP
    SB2020

    SB2020 LawnSite Member
    Messages: 3

    Right on. Debating whether to go with a CSV or a pump relay, or just try to match the pump output to keep from cycling on and off. Really don’t want to do a pump relay if I dont need to in case the valves don’t open.
     
  5. 1idejim

    1idejim LawnSite Fanatic
    Messages: 12,801

    personally I like the CSV over relays for pumps.
     

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