
Pentair Brass Plaster Ring for Large Stainless Steel Niches, 79211600Z
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Quick overview
- Genuine Pentair part OEM 79211600Z, matched to the large stainless steel niche.
- For large stainless niches Specified for the large stainless steel niche, not the smaller or plastic versions.
- Seals the niche face The ring is what forms the watertight joint where the niche meets the pool wall.
- A replaceable ring Replacing the ring restores the seal without disturbing the niche itself.
- Do it during resurfacing Access is easiest when the pool is drained and the finish is being redone.
- A leak path worth closing A failed plaster ring lets water track behind the finish, and that damage spreads quietly.
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Frequently bought together

Brass Plaster Ring for Large Stainless Steel Niches, 79211600Z

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Product details
The Pentair 79211600Z is the brass plaster ring for large stainless steel pool light niches. It is the genuine Pentair part.
What the ring does
A light niche is set into the pool wall, and something has to close the joint where the niche face meets the surrounding finish. That is the plaster ring. It gives the plaster a clean edge to finish against and it forms the watertight seal at that junction. When the ring corrodes or the seal breaks down, water finds its way behind the finish, and the damage from that spreads out of sight long before anything shows at the surface.
Fitting it
The ring sits at the wall face, so replacing it is a drained pool job. The natural moment is during a resurface or any other work that already has the water out, which is why this part usually goes on the list at the same time as the finish. Check that your niche is the large stainless steel type before ordering. The smaller niches and the non metallic ones take different rings.
| Brand | Pentair |
|---|---|
| Manufacturer part number | 79211600Z |
| UPC | 788379886851 |
| Type | Brass plaster ring |
| Fits | Large stainless steel pool light niches |
| Shipping weight | 0.8 lb |
| Ships | Parcel |
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Questions and answers
What people ask about this product, answered by our pool techs.
What does a plaster ring do?
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