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Thread: Input requested - Return lines height from top of form

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    Join Date
    May 2015
    Loomis, Ca

    Input requested - Return lines height from top of form

    OB doing rough plumbing. What height should I have my return lines into pool from top of form. I'm thinking about 18" top of form? What about my light can's? right now, I'm about 24" down from top of form. Should they be a bit higher? I wanted them closer to bottom vs having them up high, but not sure if there's an actual code for this.
    Owner Builder 15x32 sport pool. In process of building. Completing digging, plumbing, electrical, tile & equipment install myself, contracting out remaining.

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Input requested - Return lines height from top of form

    If your form height is the top of wall, then 18" is probably a good measurement. However the proper return depth is from water line. That's normally about 6" below top of wall, so 18" from top of wall puts your returns about 12" below the water line and that's about right.

    Your light most likely has a minimum depth below water that it requires. It's usually 18", but can be more or less depending on the particular model. Your local AHJ may also have minimum depths for the light.
    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
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