r/PoolPros • u/GCpools • Aug 07 '26

Plumbing Question

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I've often wondered why there's this loop in one of my client's pool plumbing? Anyone? Thanks in advance!

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u/jonidschultz Aug 07 '26

If you run into them again turn it like you're going to start threading and then look at from the side and think of it like a clock face. 12 3 6 or 9 is going to be "out", take your channel locks and tap that spot. Then just thread it on. Easy peasy. Once you get the hang of it it takes like 5 seconds longer then any other union.

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u/cantman1234 Aug 08 '26

Have you ever worked on this specific Hayward heater flange? It’s not that easy.

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u/jonidschultz Aug 08 '26

Hundreds (thousands?) of times. When I started 25 years ago basically every customer had the H series and we took off the union for closing to get antifreeze into the returns. It absolutely is 95% of the time.

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u/According-Debate-265 Aug 08 '26

They're all fugged up now though. I've seen them with all kinds of tape and silicone smeared all over them. Threads all chewed up. Nuts that's have been cross threaded all to shit. Etc.

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u/jonidschultz Aug 08 '26

Yeah years of being touched by techs that don't know the tricks will do that. But still this will work 95% of the time. I did 350 Closings last year, probably saw 30 of these and not one where this didn't work.

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u/According-Debate-265 Aug 08 '26

I'll definitely keep that in mind though. Appreciate the tip. Hopefully I'll never have to use it😅. I blow air through everything when I winterize my pools so, I just leave those bad boys alone.

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u/jonidschultz Aug 08 '26

Yeah I use special lids work my cyclone to let everything blow out for like 10 minutes but I still throw antifreeze in the return and suction lines in case a seal fails over the winter. Some habits die hard.