Pentair Amerlite® Underwater Incandescent Pool Light – 100′ Cord, 500 W, 120 V (Model 78456300)

This **Amerlite® 78456300** by Pentair is a durable underwater incandescent light designed for in‑ground pools. It features a 100‑foot heavy-duty cord and is engineered for reliability, ease of maintenance, and bright underwater illumination.

Key Features:

• 500 W, 120 V incandescent bulb for strong illumination
• 100‑foot cord included for versatile placement and installation
• Stainless steel face ring with uni‑tension clamp for secure mounting and easy servicing
• 8‑3⁄8″ prismatic tempered glass lens for optimal light diffusion
• Thermal low‑water cutoff protection to prevent operation without sufficient water cover
• Snap‑on colored lens covers (blue, red, green) available separately to change lighting effects

Technical Specifications:

• Model / SKU: 78456300
• Wattage: 500 W
• Voltage: 120 V AC
• Cord Length: 100 ft
• Lens: Prismatic tempered glass, 8‑3⁄8″
• Face Ring: Stainless steel, diameter ~10‑1⁄8″
• Compatible Niches: Full‑size Pentair, American, PacFab, Purex niches
• Water Salinity Limit: Usable in fresh water up to 6,000 ppm salt
• UL‑listed when installed properly in listed niches

Maintenance Tip: Turn off all power before servicing. Clean the lens and check for cracks periodically. Inspect and re-lubricate the lens gasket using pool-safe silicone grease to maintain watertight integrity. Tighten the uni‑tension clamp evenly to avoid distortion. If the bulb fails, you can replace it without draining the pool—just remove the face ring and replace the lamp carefully.

SKU: 78456300