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Thread: Vandalized well on fixer upper.

  1. #31
    Moderator valveman's Avatar
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    Quote Originally Posted by valveman View Post
    From those ohm readings I am guessing a 3/4 HP.
    7 amps is 3/4 HP, 9 amps is a 1 HP. But it won't hurt to have a 1 HP box on the 3/4 HP pump. If the motor is that old, it may not have a built in overload. So you may want to add a 3/4 HP overload to your new box.

  2. #32
    DIY Junior Member Billyfixit's Avatar
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    Quote Originally Posted by valveman View Post
    7 amps is 3/4 HP, 9 amps is a 1 HP. But it won't hurt to have a 1 HP box on the 3/4 HP pump. If the motor is that old, it may not have a built in overload. So you may want to add a 3/4 HP overload to your new box.
    The motor/pump was installed in 98. The old conrol box was a redhat and the one I replaced it with was a redhat and virtually identacle. Neither box has a overload. I assumed that the motor has an overload and you said you belived so as well on page 2 of this thread. The breaker for it is 25A I believe. Do you think I should add an overload? As I said, it originally didn't have one in the original box.

  3. #33
    Moderator valveman's Avatar
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    I can't remember when it happened, but I am pretty sure motors in 98 had built in overloads. But if there is one in the control box, there usually isn't one in the motor.

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