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Thread: URGENt help in replacing SPX4000UNPAK1 union

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    URGENt help in replacing SPX4000UNPAK1 union

    Guys,

    The SPX4000UNPAK1 on my Hayward pool pump broke and I ordered a new one, Is there anyway to put it back without doing any PVC work? Here is a video to explain my problem, Thanks a lot for your help

    https://www.youtube.com/watch?v=P6aL...ature=youtu.be
    11000 Gallons, Cartridge Filter, UG, Plaster, Shasta pool, filter model Hayward C4030, Pump Motor Emerson 1-1/2HP Full Rated EB2977T, Pump model Northstar SP4010NS

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    Isaac-1's Avatar
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    Re: URGENt help in replacing SPX4000UNPAK1 union

    I have to ask how did you do that? As to repair, it is probably easiest to cut the pipe, slip the connection screw down fitting over it and glue it back together with a standard PVC coupler. This would add about 1/4 inch maybe less to the length of the pipe, but it looks like you have enough play that it should not be a problem. All you need is PVC coupler, a hack saw (be sure to cut straight), a small can of PVC cleaner or primer, and a small can of cement (I suggest the blue type). Total cost about $15, that is $1 for the coupler, $6 for a combo pack of cleaner/glue, and about $8 for a cheap hack saw.
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    Re: URGENt help in replacing SPX4000UNPAK1 union

    I followed the suggestion and I hook up the connector... but I think there is a minor leak...I see one drop coming out... Please see the video now, what shall I do now? Thanks

    https://www.youtube.com/watch?v=ouN-...ature=youtu.be
    11000 Gallons, Cartridge Filter, UG, Plaster, Shasta pool, filter model Hayward C4030, Pump Motor Emerson 1-1/2HP Full Rated EB2977T, Pump model Northstar SP4010NS

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    susa's Avatar
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    Re: URGENt help in replacing SPX4000UNPAK1 union

    Assuming you used both the cleaner and at least 2 coats of the blue cement, you should have allowed it to fully dry for 24 hours before running

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    Re: URGENt help in replacing SPX4000UNPAK1 union

    Quote Originally Posted by susa View Post
    Assuming you used both the cleaner and at least 2 coats of the blue cement, you should have allowed it to fully dry for 24 hours before running
    I didn't wait for 24 hours, I waited for only 5 mins.. what shall I do now? Anything that will help me now? Looks like I am screwed... plz help
    11000 Gallons, Cartridge Filter, UG, Plaster, Shasta pool, filter model Hayward C4030, Pump Motor Emerson 1-1/2HP Full Rated EB2977T, Pump model Northstar SP4010NS

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    Re: URGENt help in replacing SPX4000UNPAK1 union

    How much overlap did you have on the surfaces you glued? It almost looks to me (on your second video) as if the pieces aren't quite in a straight line -- maybe you didn't have enough overlap when you put in the coupler? As well as not noticing instructions about drying time...

    As for what to do next, it might help to get a view from a bit further back of the plumbing. It's easy enough to splice if you have a nice clear length of pipe somewhere (and just replace all that munged-up stuff near the coupling), but you're not showing anything past that elbow. I'm not an expert on PVC work, though -- hopefully someone else may have an easier solution for you.

    A drop per second doesn't strike me as a minor leak... granted, it's not a torrent.
    18' x 48" ring top pool (Summer Escapes); 5500 gallons; set up June - October, stored during winter; Intex 2500 gph pump (B size cartridge filter) Hayward 21" sand filter + 1.5 hp single speed Powerflo Matrix pump (upgrade October 2016) *** K-2006 test kit, refills from tftestkits

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