Product Overview

Bring classic, bright underwater illumination to your pool with the Pentair Amerlite incandescent pool light. Designed for reliable performance and a traditional warm glow, this 400W, 120V fixture is built for underwater pool environments and includes a long 50-foot cord for flexible installation and routing to a junction box or transformer location (per local code). Ideal for homeowners replacing an existing incandescent pool light or upgrading an older niche-compatible setup.

Ideal For

• In-ground pools needing dependable underwater illumination

• Replacing an existing Amerlite-style incandescent fixture

• Pools where a warm, traditional incandescent look is preferred

• Installations requiring a longer 50 ft cord run

Key Features

• 400W incandescent brightness for strong pool illumination

• 120V operation (standard line-voltage configuration)

• 50-foot cord supports longer equipment-pad or junction box distances

• Amerlite design trusted for classic underwater pool lighting applications

• Service-friendly style commonly used in many existing pool light niches

Benefits

• Enhances nighttime visibility for safer swimming and better pool ambiance

• Classic warm light output many pool owners prefer over cooler tones

• Great replacement option for older incandescent pool lighting systems

• Long cord length helps simplify routing for many retrofit scenarios

Product Specifications

• Brand: Pentair

• Model Line: Amerlite

• Type: Underwater incandescent pool light

• Wattage: 400 W

• Voltage: 120 V

• Cord Length: 50 ft

• MPN / Part Number: 78448100

What’s Included

• (1) Pentair Amerlite Underwater Incandescent Pool Light, 400W, 120V, 50 ft cord (78448100)

Customer-Facing Q&A

Q: Is this light LED?
A: No. This is an incandescent pool light designed to provide a traditional warm underwater glow.

Q: Will this work with a 120V pool light setup?
A: Yes, this model is rated for 120V applications. Always confirm your existing voltage and wiring match before installation.

Q: Is the 50-foot cord included?
A: Yes, this unit includes a factory-installed 50 ft cord.

Q: Can I use this to replace my existing underwater incandescent light?
A: In many cases, yes—especially if you’re replacing an Amerlite-style incandescent fixture. Compatibility depends on your niche and existing installation, so verify fit and electrical requirements.

Q: Does this include a transformer or junction box?
A: No. This listing is for the light fixture with cord only. Any required junction box/transformer components are sold separately and must be installed per local electrical codes.

Important Notes

• Professional installation is recommended and must comply with local electrical codes.

• Always verify voltage, niche compatibility, and cord length requirements before purchase.

• This is an incandescent fixture; heat output and power draw will be higher than LED alternatives.