Need Help Fixing Broken Return Line on In Ground Pool

Pool : 40′ X 20′ In ground vinyl liner 4′ concrete apron

Problem: For 7 years a slow leak existed where water comes up through apron between coping and apron right above return outlet forming a puddle. Only while pump is running and line is pressurized otherwise no leak.

This year completely broke open when first turned on after opening pool spraying mud into the pool.
Last Fall I blew out the lines with compressor and had a one way plug in the inlet like every winter but I think this winter it must have gotten water in it and with years of leaking probably had no more dirt over it so froze and broke. But that’s just a guess.

I put a plug in the inlet and dug under the apron to expose it.
Modified a vacuum hose to run pump with return above ground to avoid creating a swamp. So pool is actually open and clean.

Here is the break.


As you can see, black poly with ring clamps. I have since removed the ring clamps.
I also ordered a Hayward SP1408 In-Ground Swimming Pool Return Inlet Fitting.

SOLUTIONS IN ORDER OF PREFERENCE

1. The back of the inlet fitting is removed and the new one is screwed on with a piece of pipe connecting to the existing black poly. No water needs to be removed from the pool.

2.
The back of the inlet fitting is removed and the new one is screwed on with a piece of pipe connecting to the existing black poly. BUT water needs to be removed from the pool to below the level of the return fitting.

3.
The entire return line and inlet fitting must be replaced. If this is the only solution then I will build the return line with PVC and dig a trench along the apron for it and probably do the entire job myself at the end of the summer.

MY MAIN PROBLEM
I don’t know or have any experience with black poly patching or pool inlet fittings so I would rather have an experienced person do the job while I watch than screw up and make things worse.
I dug this out myself so hard work and getting dirty is not an issue for me if more work needs to be done to prep for this job.
My heart sank when I cleared away the dirt and did not find PVC being used.

Jim

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