Part # 4600-2127
Manufacturer Code PF15-2127
Dimensions 18" X 7/16"
Alternate Part #'s 152127, O184, PAC0512801, PF152127
Tank O-ring 18" - PF15-2127
O-ring, 18" Tank (pf15-2127) This is the generic O-ring to the original part number 152127. If you want the original manufacturer, please order the Nautilus Stainless Filter Tank O-Ring Original - 152127
I am concerned to order this. Seems that there are generic 18" O-rings claiming to be replacements for 152127, but when installed are too big. Just bought one from local pool store and it too was too large. I see on AMZ that other people are having the same issue, while some are not. Seems it is hit or miss whether the o-ring is actually 18" or 19" even if it has the 152127 or O-184 part number. How can I be assured this generic is indeed 18" and thus not too big?
Sorry but we have this o-ring for the Pentair/PacFab Nautilus NS systems specified at 18-1/2" x 7/16". This is confirmed to fit the Pentair / Pac-Fab Nautilus Stainless NS Series D.E. Filter.
I have a nautilus stainless steel filter ns--48. The 18" o ring are to large. Is there a smaller o ring for this filter like 17"'
Thomas, Unfortunately, there is only one size (18") for this filter model.
Will this O-ring fir a Sea Horse Filter (PSH300)?
Will this 0-ring fit Pac-Fab Model # RM-45 DE pool filter?
Hi Steve, I was not able to locate a Pac-Fab RM-45 filter. If you can provide additional info we can confirm or if you have the serial number of the unit you can contact Pentair at 1.800.831.7133 to confirm.
Is this o-ring a wedge type ? My original is wider on one side and more narrow in the other....does that make sense??
Hello Joe - This o-ring has a round cross section. This replacement o-ring will work on the stainless steel Pac Fab Nautilus D.E., Sea Horse Cartridge, and 18" PF Sand Filter.
Oops--wrong model no. on previous o-ring question. Pac-Fab Nautilus NSS-48 is correct model number. Sorry.
Hello Robert - This o-ring will fit the Pac-Fab Nautilus NS-48. We could not find a a filter model NSS-48.
Less than 1 hr
First I drained about half of the water from the tank. There is no need to drain it completely if you are only replacing the tank O-ring. I removed the band and carefully separated the two halves of the filter housing with a putty knife. If more water comes out at the seam just drain a little more until you can lift off the upper half of the tank. My old O-ring was hard and shaped like a wedge which was the reason it was leaking. I coated the new O-ring all around with silicone pool sealant. Do not skip this step. Next, I carefully placed the O-ring on the lower half of the filter housing. It looked slightly over-sized, and kept slipping into the tank as I lowered the top half down on it. It would have been easier with a helper, so keep that in mind. I kept tucking and shifting it until it was in place, even though one spot bulged out slightly. The band went around it easily and actually corrected the bulging area. I tightened the band to leave a gap of 1/4" between the bolt keepers. I decided not to strain the band any more than was necessary for a good seal. The new O-ring is going to be thicker than the old one after years of compression, so do not expect the band to tighten down as tight as before. I primed and started my pump and it did not leak one drop! Thank you Inyo Pools for a high quality replacement O-ring.
(5 out of 5 stars) Fast Service, great prices
Reviewed By: Adirondack guy from Adirondacks, NY ()
Pros: Fast service, great price
I researched several sites for this 18" O-RING. Other sites were double the cost. The part arrived within a week. Great Service and excellent price!