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Thread: Wrong wire size on pump?

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    antipode's Avatar
    Join Date
    Jul 2009
    Long Island, NY

    Wrong wire size on pump?

    I already posted that my new Hayward pump had a "blade" style plug instead of the twist lock.

    So, I was going to replace the plug end as advised. When I cut it off, I realized that the new pump's cord is 16 AWG wire. (The pump is a 1.5 HP, 12 amp; the receptacle is 20amp; the OLD pump was also a Hayward -- but it had 12 AWG wire.)

    A) 16 AWG is too small to power a 12 amp pump, right?
    Extra credit) Why the **** is Hayward selling pumps with 16 AWG wire?!?

    B) Can I just attach the OLD cord to the new pump? (Old pump was 11 amp; new pump is 12 amp)

    12'x24' Oval Above Ground (Partially Buried)- 7000 gallons (est.)

    SwimPro Sand Filter

    Current pump: Hayward, 1.5 HP, SF 1, 15 amp (soon to be replaced)

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Wrong wire size on pump?

    (A) Well technically, 16awg is good for 13amps. So, technically, the wire is big enough to run the pump.

    (B) It certainly won't hurt anything to change the wire out to bigger wire and if it were mine I'd go ahead and do it since you have the wire already.

    Now for the extra points Money, that's why they would sell the pumps with small wire. You figure a few pennys on each pump multiplied by thousands of pumps make a little difference. They probably also cut the length shorter too.
    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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