Pentair Plaster Ring for Gunite Niche Pool | Large Stainless Steel Niche | 79211600Z

The Pentair Plaster Ring (79211600Z) is the OEM replacement plaster mounting ring designed for Pentair gunite (concrete) pool light niches. This component provides the finished interface between the niche housing and the surrounding pool plaster or shotcrete during construction or niche replacement.

⚠️ IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED
Pool lighting components operate in wet environments. Installation must comply with NEC Article 680 and be performed by a licensed electrician.

The plaster ring seats against the front face of the niche housing, creating a smooth, level transition that allows pool plaster to be finished flush around the light fixture opening. A damaged or missing plaster ring can compromise the niche seal and the structural integrity of the surrounding plaster finish. This is a single ring sold individually — one ring per niche.

Specifications

Fits Into

Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.

Pro Tip

Plaster rings are niche-specific — confirm your niche model number against the Fits Into table above before ordering. The model number is typically stamped on the niche housing body or listed in the original installation documentation for your pool's lighting system. If you are replastering and replacing the ring at the same time, inspect the niche housing for corrosion or cracks before setting the new ring — the plaster ring alone will not compensate for a compromised niche body.