By Waterway
Part # 11-3550
Manufacturer Code 400-4160
Union, 1-1/2" Slip x 1-1/2" FPT - 400-4160
i have a hydro tools skimmer i need the collar piece from this kit ...how do i measure to see what i need
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The nut is not offered separately , you will need to purchase the 89-270-1102, these items are based on the plumbing pipe size to them & not an actual physical measurement. The I.D. measurement on the collar of this union measures 2-7/16"
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