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Thread: Is there any disadvantage to using 115V compared to 230V ?

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    Join Date
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    Is there any disadvantage to using 115V compared to 230V ?

    I left my booster pump at 230V, because that's the way it comes as well as what the old one was. However, I'm now going to add a surge suppressor and running out of breaker spots I'll only have a single 1" space left for any future use. If I drop the booster down to 115V I can add the surge suppressor and still have room for a double pole for a possible heater.

    I'm not adding a heater anytime real soon, but before taking care of surge protection I'd like to have the breaker placement how I'd like them in that scenario and convert the booster.
    Scott
    15,000 Gallons vinyl in-ground screen enclosed, Hayward Eco-star SP3400VSP, Hayward Aqua Logic PL-Plus, Hayward T-15 Salt Cell, Hayward S244T Sand Filter, Polaris 380 with booster pump, Hayward heat pump HP50HA. K-2006 kit.

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    Mod Squad jblizzle's Avatar
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    Re: Is there any disadvantage to using 115V compared to 230V ?

    It will pull double the amps on 115V as it will on 230v (same total power). So you need to be sure the wire gauge would be large enough to be able to carry the higher amps without too significant of a voltage drop.
    Jason, TFP Moderator
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    Richard320's Avatar
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    Re: Is there any disadvantage to using 115V compared to 230V ?

    Half the voltage means twice the amperage. So your current circuit breaker and wiring might not be big enough.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: Is there any disadvantage to using 115V compared to 230V ?

    Oh, yeah, I should have thought ahead to point out I knew that part Not a long conduit run and easy to fix that. It's is on a 15A double pole with 14Awg and about a 5 foot run and I'd have to pull 12awg through to put it on a 20A single pole.

    On the OLD pad the booster shared a circuit so everything was 12awg and I have a pile of it recovered from the old stuff. With the back of the pump and wiring area so tight re-doing that part is what I'd rather avoid, lol.
    Scott
    15,000 Gallons vinyl in-ground screen enclosed, Hayward Eco-star SP3400VSP, Hayward Aqua Logic PL-Plus, Hayward T-15 Salt Cell, Hayward S244T Sand Filter, Polaris 380 with booster pump, Hayward heat pump HP50HA. K-2006 kit.

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