For your consideration, the super gizzmo for inground or deep skimmers including the sp-1082 to 1086 series. Gizzmos are designed to absorb the expansion of winter freeze-up in skimmers.
It is 16" long and will fit 1 1/2" tapered pipe thread and 2" tapered pipe thread.
Please e-mail any questions, I answer all within a day and see my other listings for closing needs as well as different ice compensators.
Thanks for looking!