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Thread: Cleanout needed on heater lines?

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    Cleanout needed on heater lines?


    I am going to rework most of my plumbing because there are a few leaks where they used non-pressure fittings when the heater was installed. On both the supply and return lines to and from the heater, they have "cleanout" fittings and I'm wondering if those are necessary? I'm guessing they concept was to drain the lines after using the heater each time but we didn't do that last Fall as they are difficult to access and I didn't know if it was necessary or not. Now that I'm re-plumbing I would like to know whether to include those or not. The heater lines are lower than the rest of the plumbing so there would be water sitting in them after using the heater. I just didn't know if that's a bad thing or not?

    The picture is the return line and the supply is just below it.

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Cleanout needed on heater lines?

    Clean out ports are certainly not required, and while they can be handy once in a long while, they are not normally used. All of the pipe are generally full of water, except when the pool is winterized.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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