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Thread: 1-1/2" pipe on a Hayward SP2615X20

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    1-1/2" pipe on a Hayward SP2615X20

    Hey folks,

    Just found this forum and I gonna through out a question to see if I screwed up.

    My 30+ year old Hayward 1607x10 pump just died and I have a replacement on order (it hasn't shipped yet). I was thinking my old pump was 1-1/2 HP so when I was looking at my options I decided to purchase an SP2615x20 2 HP thinking I'll give myself more ooomph and things will work better. I was concerned about plumbing but just kinda pulled the trigger before I did all my research.

    After digging into the specs I realized that my old 1 HP is only 1-1/2" piping (I also realized that everything up to 1-1/2 hp looks to be 1-1/2").

    My question, I guess, is three parts.
    1) I realize the 2 HP is probably overkill, but I've always wanted to add a cleaner. Is the 2 HP too much of an overkill? Would I be ok with a 1-1/2 HP. My pool is 16'x32'. According to the company who installed it, is 18,000 GALS.

    2) More importantly, will the 1-1/2" piping be starving it? I'm thinking I can adapt it up, but will it shorten the life of the pump.

    3) Or will the pressure be too much on the filter. I have a Hayward EC-65.

    I appreciate any feedback.

    Thanks
    Russ

    btw.. thought I'd edit this after I posted. I move my pump a few years ago to a shed about 20' from the pool and sits up about 3' from the water level. I just always felt like the pump worked a little hard since I moved it. I also run it on 2 - 6 hour shifts. A ran it less right after we moved in but it wasn't keeping it clean.

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    Isaac-1's Avatar
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    Re: 1-1/2" pipe on a Hayward SP2615X20

    You would probably be much better off getting a 1.5 HP 2 speed pump that supports 1.5 inch plumbing if that is what all the plumbing you currently have is.

    Ike
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    JasonLion's Avatar
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    Re: 1-1/2" pipe on a Hayward SP2615X20

    Getting a larger pump won't improve anything, instead it will make more noise, use more electricity, and probably damage the filter. 1.5" pipe mostly likely won't hurt the pump, though it will make it less efficient.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: 1-1/2" pipe on a Hayward SP2615X20

    Thanks very much for the input. I've never looked into a 2 speed pump. Just did some reading on it. And although the I like the concept, I just have a mental thing about running my pump 24/7. It's probably just me. I did just cancel my order for the 2 HP and reorder a 1-1/2 simply because I am worried about damaging the filter, and with the plumbing it will be an easy change out.

    Thanks all for the information.

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    Isaac-1's Avatar
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    Re: 1-1/2" pipe on a Hayward SP2615X20

    Do you mean a mental thing for or against running 24 hours? Most people around here with 2 speed pumps tend to run them most of the time on low for something around 10-12 hours per day.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
    ~Remember TFP counts on your donations to keep this site ad free~

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