SW-70-116 | Swimables Mounting Brass Ring For Pentair Large Stainless Steel Niches | 79211600

The SW-70-116 brass mounting ring is designed for use with large stainless steel light niches from Pentair-style systems, using reference number 79211600. Constructed of heavy-duty machined brass, this plaster ring maintains structural integrity during concrete/plaster installations and provides a reliable, corrosion-resistant mounting surface for in-pool lighting assemblies. With the standard 10-hole bolt pattern and correct dimensions for large stainless niches, it’s an ideal upgrade when replacing or resurfacing pool walls to ensure proper alignment and long-term durability.

Highlights

• Heavy-Duty Machined Brass Construction: Built from solid brass to resist corrosion and provide long-term reliability in chemically-treated pool environments.

• Direct Fit for Large Stainless Steel Niches: Matches Pentair part number 79211600 for large stainless niches, ensuring a seamless upgrade or replacement.

• Standard Bolt-Pattern Compatibility: Features the industry standard 10-hole mounting pattern for secure installation during concrete, plaster, or renovation projects.

• Ideal for Pool Resurfacing or Retrofitting: Designed to facilitate stable light housing placement and correct sealing when pool walls are refinished or niches are updated.

• Improves Safety & Light Alignment: Provides a stable, precisely machined platform to ensure proper light lens alignment, reducing stress on gasket seals and preventing water intrusion.

Additional Info

This section covers common questions regarding the SW-70-116 brass mounting ring used with large stainless steel pool light niches (Pentair ref. 79211600). It addresses installation during resurfacing, alignment, fit verification, and in-store pickup considerations.

Installing During Resurfacing

When applying new plaster or refinishing the pool surface, the mounting ring must be set at the correct depth to ensure the light lens and faceplate sit flush after curing. Correct alignment prevents gasket twisting and long-term leaks.

How do I seat the SW-70-116 flush with the finished plaster surface?

What steps ensure the bolt pattern stays true during resurfacing?

Can I walk into Discount Pool Mart to pick up the SW-70-116 for a same-day renovation job?

What tools are needed to stabilize the ring in fresh plaster?

Fit and Compatibility Checks

The SW-70-116 uses the standard 10-hole bolt pattern for large stainless Pentair-style niches. Confirming measurements before installation avoids grinding, shimming, or misalignment once the plaster sets.

How do I confirm my niche is the large stainless model that accepts the 79211600-style ring?

What measurements should match before purchasing the replacement ring?

How can in-store staff verify compatibility based on my niche photos?

Will this ring align properly with older niche housings that have been resurfaced multiple times?

Long-Term Durability and Corrosion Considerations

The machined brass construction provides high corrosion resistance, but correct hardware and sealing practices improve service life. Proper installation helps maintain bond integrity and stable gasket pressure.

Do I need stainless screws or mixed-metal isolation hardware during installation?

How often should the mounting ring be inspected after initial curing?

What sealant works best around the ring when the pool surface is still curing?

Does brass help reduce galvanic interaction with stainless steel niche bodies?