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Thread: Is 24volts safe in a pool float switch?

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    Join Date
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    Is 24volts safe in a pool float switch?

    I'm building a automatic pool water level system. I am thinking of running the power supply for the water solenoid directly to the level float switch. It uses 24volts. Would that be safe or do i need to step down the switch voltage and use a relay.

    skeeter
    47 yr old(1977) 18,000gal Kidney shaped 38ft long plaster Pool with built-in Spa, Pentair Intelliflo VS3050 Pump, Pentair 48sf DE filter, Raypack RP2100 gas heater. HTH 5-way test kit

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    Mod Squad Bama Rambler's Avatar
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    Re: Is 24volts safe in a pool float switch?

    24 volts is ok but it has to come from a source listed for use in a pool or spa. The transformer power also has to be on a gfci.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Is 24volts safe in a pool float switch?

    What is the difference from say a universal 24v power transformer from radio shack?

    skeeter
    47 yr old(1977) 18,000gal Kidney shaped 38ft long plaster Pool with built-in Spa, Pentair Intelliflo VS3050 Pump, Pentair 48sf DE filter, Raypack RP2100 gas heater. HTH 5-way test kit

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    Mod Squad Bama Rambler's Avatar
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    Re: Is 24volts safe in a pool float switch?

    Those listed for pool/spa use have to meet a set of criteria to ensure that they operate safely and fail safely when and if they fail. The universal transformers can have a failure that allows the high side to short to the low side, for example.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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