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Thread: Balboa Control Board "Slave Heater"

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    Balboa Control Board "Slave Heater"

    Hello all. I've recently dove into getting a spa. Trying to retrofit in a gas heater. The Balboa control board has "Slave Heater J101" and "Slave Heater J100" on the board. Since it's not connected, I'm unsure weather these are 240, or continuity?

    I would like to piggy back my current pool heater to be plumbed into the spa and forget the electric element.

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    Re: Balboa Control Board "Slave Heater"

    5900 G Fiberglass IG pool (circa 1990), SWG Hayward Aqua Rite GoldLine (2013), IntelliFlo Variable Speed Pump (2013), Hayward Pro Sand Filter (circa 1990), Well water (no iron or other metals fortunately), test with Taylor K2006C, Charleston, SC

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    Re: Balboa Control Board "Slave Heater"

    Ok, so I know this is an old thread, but I like to come back and answer my own stuff if no one else will. Seems the balboa "Slave Heater J101" and "Slave Heater J100" just put out the 240v and that I can wire a relay to this to control the pool heater. I found one on amazon; search "a13100900ux0371" and the 240v relay that can be used for continuity or 120 to control my pool heater. This is exactly what is used and how it is done in the balboa control board when it comes with that option from the factory. It's called an ice cube relay. Just thought I would try to share what I learned...
    13.6K AG (I think?) 32'x16' Oval, Pentair SM8150 cartridge, Pentair SR400LP, Hayward Power Flo Matrix 1.5HP pump, Installed spring 2014 (hand me down, 4 years old when acquired), TF-100 Pool water test kit w/speed stir, Intex SWG (going since 2014), Well Water used for fill/top off

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    Richard320's Avatar
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    Re: Balboa Control Board "Slave Heater"

    Quote Originally Posted by rob.mwpropane View Post
    Ok, so I know this is an old thread, but I like to come back and answer my own stuff if no one else will. Seems the balboa "Slave Heater J101" and "Slave Heater J100" just put out the 240v and that I can wire a relay to this to control the pool heater. I found one on amazon; search "a13100900ux0371" and the 240v relay that can be used for continuity or 120 to control my pool heater. This is exactly what is used and how it is done in the balboa control board when it comes with that option from the factory. It's called an ice cube relay. Just thought I would try to share what I learned...
    Excellent! Sometimes someone has to be the first to figure things out. Glad you shared.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Balboa Control Board "Slave Heater"

    When I get it all up and running I'll get some pictures together. I still need to figure out the plumbing to tie the heater into the spa, weather to use the circulation pump that the spa has to get water to and from the heater, or have a pump at the heater push hot water to the spa like a primary loop in a boiler application.

    If anybody has any opinions on that, I'm all ears.
    13.6K AG (I think?) 32'x16' Oval, Pentair SM8150 cartridge, Pentair SR400LP, Hayward Power Flo Matrix 1.5HP pump, Installed spring 2014 (hand me down, 4 years old when acquired), TF-100 Pool water test kit w/speed stir, Intex SWG (going since 2014), Well Water used for fill/top off

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    Re: Balboa Control Board "Slave Heater"

    I would love to see your pictures and other details about how you made the connections.

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