---
product_id: 205599194
title: "Pentair 79101800 100-Watt 12-Volt Bulb Replacement Pool and Spa Light"
brand: "pentair"
price: "€ 1.53"
currency: EUR
in_stock: false
reviews_count: 4
url: https://www.desertcart.pt/products/205599194-pentair-79101800-100-watt-12-volt-bulb-replacement-pool-spa
store_origin: PT
region: Portugal
---

# 100W Power 11.75" Length 12V Compatibility Pentair 79101800 100-Watt 12-Volt Bulb Replacement Pool and Spa Light

**Brand:** pentair
**Price:** € 1.53
**Availability:** ❌ Out of Stock

## Summary

> 💧 Light Up Your Life: Dive into Brilliance!

## Quick Answers

- **What is this?** Pentair 79101800 100-Watt 12-Volt Bulb Replacement Pool and Spa Light by pentair
- **How much does it cost?** € 1.53 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/205599194-pentair-79101800-100-watt-12-volt-bulb-replacement-pool-spa)

## Best For

- pentair enthusiasts

## Why This Product

- Trusted pentair brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Design:** Built to withstand the elements, ensuring longevity and reliability.
- • **Versatile Fit:** Compatible with multiple Pentair models for seamless upgrades.
- • **Energy Efficient:** 100-watt power ensures bright illumination without breaking the bank.
- • **Easy Installation:** Quick and hassle-free setup means more time enjoying your space.
- • **Illuminate Your Oasis:** Transform your pool and spa experience with vibrant lighting.

## Overview

The Pentair 79101800 is a 100-watt, 12-volt bulb replacement designed for Pentair Amerlite and StarRite pool and spa lights. Measuring 11-3/4 inches in length, it offers a robust and energy-efficient solution to enhance your aquatic ambiance.

## Description

This bulb is designed to use with Pentair Amerlite pool/spa light and also compatible with Pentair StarRite pool and spa light housing models 05082, 05086. Operates at 100-Watt, 12-Volt. Measures 11-3/4-inch length by 9-1/4-inch height by 20-1/2-inch width.

## Features

- 12-Volt 100-Watt bulb replacement
- Fits Pentair Amerlite pool and spa lights
- Also fits Pentair StarRite pool and spa light housing models 05082, 05086
- Measures 11-3/4-inch length by 9-1/4-inch height by 20-1/2-inch width

## Images

![Pentair 79101800 100-Watt 12-Volt Bulb Replacement Pool and Spa Light - Image 1](https://m.media-amazon.com/images/I/61rhp68-UJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Inground pool replacement. Great
  

*by P***T on Reviewed in the United States on September 22, 2021*

This is an economical way to get your pool light replaced. Mine was packed very well arrived on time!

### ⭐ 1.0 out of 5 stars







  
  
    Pentagram lamp
  

*by A***N on Reviewed in the United States on May 26, 2022*

It was  not a pentair lamp.

### ⭐ 1.0 out of 5 stars







  
  
    Not happy as there was return postage and restocking fee charged ...
  

*by M***N on Reviewed in the United States on September 27, 2016*

Light bulb measurements were not accurate.  Bulb much smaller than described.  Not happy as there was return postage and restocking fee charged to me as well.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/205599194-pentair-79101800-100-watt-12-volt-bulb-replacement-pool-spa](https://www.desertcart.pt/products/205599194-pentair-79101800-100-watt-12-volt-bulb-replacement-pool-spa)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-04*