I can't even begin to imagine what it is that we're looking at. It doesn't look like any skimmer I've ever seen. It appears to be set into a hole cut in a piece of floor tile? Is this a real skimmer for the pool or is it a floor drain that's in the pool deck somewhere that is not connected to the pool eqpt but serves as a drain for rainwater?
As to it not fitting anymore, maybe the plastics are different and one shrunk a bit?
Take another look at his first pic. It's not what's in your pic from the pool store. The pool store pic I agree is a skimmer. Water from the pool flows into the skimmer and then down into the basket that is much lower in the pool deck. That's how all the ones I've seen work. What he has, the basket is flush with the surface of the pool deck. How does that skim water from the pool? The only water that would go in the basket is from the pool deck, no?
My in-ground pool skimmer is like that, only it has a square lid rather than the round lid that isn't shown in the pic. If the OP takes a pic at an angle to see where the water comes in from the pool it might help. BTW, in the second pic, with what looks like a piece of saran wrap, is actually water flowing from the side into the skimmer. I'd show you mine, but being in New York, it is still covered and will be till the end of the month.
Look at the first pic again. His is not like what you describe. Mine are like yours, with the basket about a foot BELOW the surface of the pool deck and with a path from the surface of the pool water to flow into the top of the basket. In his pic, the TOP of the basket is flush with the pool deck.....
The second pic is strange too, no? If you look at the sides around the basket, it looks like open space, almost down to dirt or something, no? Also, the top of the basket looks like it's awfully close to the top of the deck. On mine, they sit about a foot down and sit tightly into the flat bottom of the skimmer housing which goes over to the pool.
Mea culpa! My mistake! I should have been clearer. Sorry for the confusion.
Two things I should have made clear earlier:
It's (almost) a typical skimmer (the parts are typical)
The basket used to fit much better (two years or so ago)
So, I think, the hole has, inexplicably shrunk, by about
1/16 inch, or so.
I ran outside to snap a clarifying picture for you:
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Note: While the relevant parts appear to be exactly the same as a "typical' skimmer, one of the two bottom pipes is plugged off - as this skimmer is unfiltered water that is sucked off the top of the pool via a cleaner pump and then it goes right back into the pool unfiltered into the pop-up jets which stir the bottom of the pool.
BTW, the cover also doesn't fit the top of the skimmer anymore; so I think the skimmer hole (somehow) shrunk by 1/16 inch or so.
My guess would be that the basket is made of nylon and expanded. Technically it is due to nylons moisture regain and lowering of the polymers glass transition. If the drain is nylon, same problem.
I worked for a while in an automotive resins group and we knew about this phenomenon. If you made a car door out of nylon, after a while it would not shut because it would grow.
Ummm, it appears his problem is the opposite, ie that the cover is too big. So, maybe a little lube of some kind, or else if he has to, maybe grind away a bit of the sides of the cover....
Regarding the rest of the skimmer, I agree that his new pics show a normal skimmer. The only remaining oddity is that there is that open gap around the sides, near the top. Mine doesn't have that, it's continous from top of deck down to the bottom. Looks like something didn't get set at the right height, causing that gap.
It's not that it 'bothers' me, but, that the cover is so tight now that the kids and wife can't get the darn thing off with their hands.
It used to fit.
But now, I can barely get it off my self - but the net is that we leave the covers off - which is not a good thing when you have the neighbor's kids running around the pool all the time.
Actually nylon is not soluble in muriatic acid but is soluble in formic acid or dimethylformamide.
I once bought a wall to wall carpet advertised as nylon and after installation took a piece into the lab to check it out and found it was polyester. Got a nice rebate as it was either that or having them out and refund my money. I was working in DuPont's Textile Fibers department at the time.
The same place sold a carpet to another guy in our lab with similar results. It was nylon but not as advertised. He got a big rebate too.
As an old fibers and plastics researcher, I hate to see mislabeling or misuse of polymers. Gives them a bad name. Some people do not know how to design with plastics and account for different weathering effects and the like.
I seem a big one at least once a week ... and that's without even looking for them.
I just popped the cover off of an electrical connection outdoors for you, and you can see, on the right, a black widow and on the left a wolf spider (the ones with a zillion babies on their backs).
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Both, I'm told, can bite nastily.
NOTE: This black widow's hourglass isn't the deep dark red of most of them; but if I opened more covers, I'd find a classic red hourglass (which is hard to photograph since it's on their abdomen so you have to ask them to flip over for you).
What I don't understand is how come they can make a recycling bin that sits outside by the pool in the sun all day without weathering:
Yet, every single piece of plastic or rubber anywhere near the pool turns to dust in a year or two!
For example: - These thermometers are no longer readable; the goggles turn to mush; the plastic baskets crack and crumble; the plastic net support snaps; even the plastic table turns to dust over time.
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Of course, we should probably replace them every year; but I would rather buy a good one, and not replace it (just like my recycling bin) than have to replace everything plastic every sunny season.
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