In brief: Standard 10-hole Pentair sealing ring for pool light niche. Pentair part number 79200200.
The 10-hole ring, standard size
The sealing ring is the part that presses the gasket against the liner and the edge of the niche. Its flatness is what ensures uniform compression around the entire perimeter.
The number of holes determines compatibility: a 10-hole ring cannot be installed on a niche drilled for 8 screws. Count the holes on your existing ring before ordering.
A warped or corroded ring, or one with a stripped hole, will let water through even with a new gasket. It should be replaced rather than repeatedly trying to tighten it further.
Official Pentair specifications
| Part number |
79200200 |
| Number of holes |
10 |
| Application |
Pool light niche |
| Original part |
Yes, Pentair part |
Frequently asked questions
How do I know if I need the 8-hole or 10-hole model?
Count the screws on your current ring. The 8-hole version has a different part number.
Should the gasket be replaced at the same time?
Yes. A gasket that has been compressed for seasons will not return to its original shape. Replacing it at the same time as the ring avoids having to redo the work.
What is the tightening sequence?
In a cross pattern, using progressive passes, without forcing any single screw. Uneven compression creates a fold, and the fold becomes a leak.
Service on the North Shore
Piscines Geyser keeps Pentair parts in stock in Blainville and serves the Laurentians. Send us a photo of your installation if you are unsure about compatibility: we will confirm before shipping.
