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Thread: replacing pump and short pvc on return side

  1. Back To Top    #1

    Join Date
    Jun 2014
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    orange county, california
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    replacing pump and short pvc on return side

    installing a new pump , the pump sits very close to the manifold, i have about 1/2" of pvc to attach a new coupling. if i try to use this am i asking for leaks?

    ive read in another thread it may be possible to put a 2-1/2" coupling over the 3-way manifold.

    thanks in advance for your help.

    2014-07-11 19.59.30.jpg
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    Re: replacing pump and short pvc on return side

    here is a better picture. it looks like they've originally used a 2-1/2" coupling over the 2-way valve, really stumped on what ill do in case i get leaks or need to replace the pump.

    any suggestions?



    15,000 gallon in-ground freeform pebble-tech plaster built in '99
    Pentair Intelliflow 3hp variable speed pump & 2hp whisperflo for waterfalls
    Aqualink RS4 with intellicom adapter
    Pentair 4000 SMBW 30sq.ft. DE Filter
    Pentair Minimax 400 heater

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    Mod Squad jblizzle's Avatar
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    Re: replacing pump and short pvc on return side

    Did you really just connect to that really short piece of pipe? At least that is not on the pressure side, but be wary of air leaks.
    It might be possible to cut the 2.5" coupler in half and just use a 2" pipe into the inside of the 3-way valve if you run into issues in the future.
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    Re: replacing pump and short pvc on return side

    thanks for the input!
    inexperience on my part, and i think i rushed it,
    but i dont think i made it worse, just probaly going to have to revisit this in the near future. ie tomorow
    15,000 gallon in-ground freeform pebble-tech plaster built in '99
    Pentair Intelliflow 3hp variable speed pump & 2hp whisperflo for waterfalls
    Aqualink RS4 with intellicom adapter
    Pentair 4000 SMBW 30sq.ft. DE Filter
    Pentair Minimax 400 heater

  5. Back To Top    #5

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    phoenix
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    Re: replacing pump and short pvc on return side

    Another thing to look for is a fitting extender. Goes over coupling or valve side like yours. I had a very similar situation but I ended up doing something more drastic. I got a torch heated the coupling the used some needle nose to roll and peel off the coupling. Then sanded it a bit with Emory cloth and glued on a new coupling. Other alternative was buying new $55 bulk heads. It worked for me but it I did not know about fitting extenders till I was done lol


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    Re: replacing pump and short pvc on return side

    thought i would update...
    I found a tool call a Ram Bit that attaches to a drill and can remove the 2" PVC pipe from within a coupling. Works in about 10 minutes and can save you from buying new valves.
    15,000 gallon in-ground freeform pebble-tech plaster built in '99
    Pentair Intelliflow 3hp variable speed pump & 2hp whisperflo for waterfalls
    Aqualink RS4 with intellicom adapter
    Pentair 4000 SMBW 30sq.ft. DE Filter
    Pentair Minimax 400 heater

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