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Thread: Connecting 100' polyethylene pipe to Hayward port

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    Question Connecting 100' polyethylene pipe to Hayward port

    Hello!

    I am about to bury a 100' polyethylene pipe in order to send the water when backwashing my filter, to a designated area.

    My semi-inground pool is connected to a Hayward multi-port filter, ports appear to be 1-1/2" wide, and I assume 1-1/2" diameter for the pipe is a good choice.

    When my installer left, they installed a white pvc piece into the backwash port, one end being threaded into the filter port and the other end being straight and flat. I guess that was because they expect most pool owners to simply hook up the blue rolled-up tubing to backwash and clamp it with a stainless steel clamp.

    Could anyone guide me so I can hook up the 100' poly pipe to the Hayward backwash port?

    My current research points me to purchasing a simple Poly Male Adapter - 1 1/2 Inch Mpt X 1 1/2 Inch Insert, from Home Depot. It's basically a gray piece with very fine threads (to screw into the Hayward port, I would assume), and the other end looks like it has three "barbs" to force the pipe over, then simply clamp.

    Would this be the proper piece to do it?

    Thank you very much for your help, I appreciate it a lot!

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    Mod Squad Bama Rambler's Avatar
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    Re: Connecting 100' polyethylene pipe to Hayward port

    You are correct. Just remove the threaded adapter and install the barbed fitting and clamp the poly pipe to it. My backwash line is probably over 100' and it's PVC, but poly would be just fine.
    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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    Re: Connecting 100' polyethylene pipe to Hayward port

    Thank you friend for your quick reply.

    Do you think I would need a layer or two of teflon tape on the threaded part that will be screwed into the backwash port? To make a better coupling?

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    Mod Squad Bama Rambler's Avatar
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    Re: Connecting 100' polyethylene pipe to Hayward port

    I personally use paste, but t-tape works well. And yes you need some type sealant.
    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
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Connecting 100' polyethylene pipe to Hayward port

    Hmmm... I was starting to set everything up when I realized that I was about to do a permanent connection.... newbie mistake : what if I need to replace or move the filter for some reason? I would have to cut the hose and redo everything...

    Sounds like I need an additional piece : a male-female PVC 1-1/2" MPT quick-plug adapter

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    Mod Squad kimkats's Avatar
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    Re: Connecting 100' polyethylene pipe to Hayward port

    Unions? Here is what one looks like.

    pvc unions - Google Search

    To tell you the truth I have a pipe my husband cut to size for me that I just stick in the elbow he put on so it went to the direction I wanted it. I just stick the pipe on and backwash. I just pull it out when I am done.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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