Question about Spa Parts Plus GFCI, Circuit Breaker, 30 Amp

1 Answer

Hooking up a Hot tub

I just got a old 2-3 person hot tub. The pump moter is a 16.4 amp11 volt I believe the heater controller is as follows:

Porter & Blumfield
> KUP 14A15 - 120
> 120V 50/60 Hz
> Industrial Rated
> 3A 1/hp 600 VAC

> 10A 1/3 hp 120 VAC
> 6 2/3A 1/3 HP 250 VAC
> Appliance Rated
> 10A 250 VA
The previous owner did not have a GFCI breaker in the connection. He was using 10/3 with a ground wiring to a subpanel.

What size and type of GFCI breaker do I need. (ie 30 amp 2 pole or a 30 amp 1 pole breaker)?


Posted by on

  • krabach Jun 22, 2009

    So what you are saying is I can use a 15 amp GFCI breaker with the motor on the pump that is a 16.4 amp /115 volts and the heater in the box by the hot tub?
    Also what size breaker should I use in the main breaker box?
    Thanks

  • krabach Jun 28, 2009

    The heater plate on the back side of the heater control 5.5KW 240v

    The pump motor is 115 volts / 16.4 / 4.4 60 Hz,

    There is a 30 amp what appears to be a breaker in the wiring box, I have attached a photo of the wiring box that is located under the spa.

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  • Master
  • 770 Answers

Everything above tells me this is 120V unit...if thats the case a single pole breaker is sufficient. Also by what you have written, a 15 amp breaker should suffice.

Posted on Jun 22, 2009

  • Hal Hallman Jun 22, 2009

    No..apparently I missed that in the first post. You will need to go up to a 20 amp for the motor. You can add all amperage to know what goes in the box, if it is all on the same circuit. If you use a ground fault breaker in the box, it is not necessary to use one at the hot tub. I would suggest that you cover everything at the box and wire a disconnect at the tub. Make sure the tub is properly bonded and grounded, I would hard wire everything from the disconnect.

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