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  1. #1

    Subpanel Needed?

    Hello everyone. I have a questions concerning adding a booster pump to my well location. I currently have 10/2 UF running from a 30amp breaker in my main to a vertical, 1 hp pump. I'm now putting in an aerator so I need to add a 1/2hp or 3/4hp booster pump to rebuild pressure going in to the home. Would I need a subpanel so I will have two breakers for the pumps? I was just going to use a weather proof conduit box and tie the 10/2 from the main panel to one run of 12/2 inside of liquid tight flex for the vertical pump and one run of 12/2 (inside of liquid tight flex) for the booster pump. In essence, pigtail three hots together, pigtail the other leg of hots together and tie the three grounds together and tie them to ground. However, someone mentioned to me that it is required that I put in a subpanel- without a main breaker in the subpanel - and they recommended I have two 15 amp breaker for each of the pumps (both pumps are rated for less than 8amps each).

  2. #2
    Pump guy speedbump's Avatar
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    Jun 2005
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    Murphy, NC. USA.
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    I'm not an electrician, but I do like having each pump on it's own breaker. You wouldn't need much of a sub panel. I think you can buy them that house just two breakers. Or four breaker positions to make 230 volts twice.

  3. #3
    Senior Member
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    Jul 2015
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    When going into a building they want you to have quick disconnect electrical box. I didn't add one so he told me to add one and I wanted to add a surge protector before my electrical timer. I'm running 230v inside this building.

    I was going to do the same inside my well house.
    "USED" Franklin/Grundfos 10gpm submersible pump with buried PSC-35 pressure tank. Cycling since 2010! Static water level 70'/TD 165'/well yield 7gpm/4.5" PVC well casing with 5" PVC surface casing.

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