Description
This is a large stainless steel niche with a 1-inch top brass hub, designed for mounting pool and spa lighting in concrete installations. It is suitable for use with metal or PVC conduits and provides both internal and external bonding lugs for grounding. The niche supports reliable fixture placement in concrete pools and spas and is compatible with Pentair pool light fixtures.
Quick Answer: What Is the Pentair 78210500?
The Pentair 78210500 is a pool light niche: Pentair Large Stainless Steel Niche for Concrete, 1 in. Top Hub. It is brand new, ships in 1-2 business days, and is backed by the Pentair manufacturer warranty.
Pentair 78210500 Specifications
| Brand | Pentair |
|---|---|
| Equipment Type | Pool Light Niche |
| Model Number | 78210500 |
| Material | Stainless Steel |
| Pool Type | Concrete |
| Port Location | Top |
| Application | Pool, Spa |
| Connection Size | 1 in. |
| Installation Material | Concrete |
| Product Line | Spabrite/Aqualight |
| UPC | 788379648640 |
Key Features
- Constructed with stainless steel housing for corrosion resistance
- Features a 1-inch top brass hub for secure conduit connection
- Includes internal and external bonding lugs for effective grounding
- Compatible with metal or PVC conduits
- Measures 11.5 inches long, 8.5 inches high, and 11.5 inches wide
- Sandwich gasket for vinyl
How It Works
Pool and spa lights mount in a niche in the pool wall or install as nicheless or portable fixtures. Modern LED lights use a fraction of the power of incandescent or halogen bulbs and many offer color shows that sync with automation systems. Low-voltage (12 V) fixtures require a transformer; 120 V fixtures must be GFCI protected.
How to Choose the Right Pool Light Niche
- Match voltage (12 V or 120 V), cord length (long enough to reach the junction box) and niche size (large or small).
- Confirm the light is compatible with the existing niche or choose a matching niche.
- For color lights, confirm compatibility with your automation or lighting controller.
- Check the pool surface type for niches: concrete, vinyl or fiberglass.
If you are replacing an existing part, the fastest way to confirm compatibility is to match the brand and model number on the old equipment. Send us the model number or a photo of the label and our team will help confirm the 78210500 is the right fit before you order.
Installation and Safety
Pool lights and niches must be installed and bonded per NEC Article 680, with GFCI protection, correct junction box placement and cord length. Installation and replacement should be performed by a licensed electrician or qualified pool professional.
Maintenance Tips
- Replace lens gaskets whenever the fixture is opened.
- Check for water inside the lens.
- Test GFCI protection monthly.
- Keep cords free of damage and leave a service loop in the niche.
What's Included
This listing is for the Pentair 78210500 as described in the specifications above. Plumbing, wiring, unions and accessories are not included unless they are listed in the product name or specifications.
Built for Homeowners, Pool Pros and Property Managers
- Homeowners: match your existing model number, then reach out if you want a second set of eyes on compatibility before you order.
- Pool service pros and builders: order quickly, track every shipment, and reorder common parts for your routes and builds.
- Property managers and commercial pools: standardize equipment across properties and plan replacements with help from our team.
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Frequently Asked Questions About the Pentair 78210500
Can I replace an incandescent light with LED?
Usually yes, as long as voltage, niche size and cord length match.
Why does my light trip the GFCI?
Water intrusion, a damaged cord or a failing fixture are common causes; have it inspected by an electrician.
How long should the cord be?
Long enough to reach the deck junction box with a service loop so the fixture can be serviced on the deck.
Is this the genuine Pentair part?
Yes. It is brand new Pentair equipment (model 78210500) covered by the manufacturer warranty. Warranty terms vary by product and application; see the manufacturer documentation or ask our team.
