---
product_id: 31156021
title: "Rheem G100-80 Natural Gas Universal Commercial Water Heater, 100 Gallon"
brand: "rheem"
price: "¥1916348"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/31156021-rheem-g100-80-natural-gas-universal-commercial-water-heater-100
store_origin: JP
region: Japan
---

# Space-saving low profile automatic flue damper 75,000 BTU powerful heat output Universal tank design for easy replacement Rheem G100-80 Natural Gas Universal Commercial Water Heater, 100 Gallon

**Brand:** rheem
**Price:** ¥1916348
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your commercial hot water game with Rheem’s universal powerhouse!

## Quick Answers

- **What is this?** Rheem G100-80 Natural Gas Universal Commercial Water Heater, 100 Gallon by rheem
- **How much does it cost?** ¥1916348 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/31156021-rheem-g100-80-natural-gas-universal-commercial-water-heater-100)

## Best For

- rheem enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable alloy and stainless steel construction backed by a 3-year tank warranty
- • **Effortless Upgrade:** Universal tank design ensures seamless replacement without costly retrofits
- • **Innovative Efficiency:** Patented multi-flue tank design optimizes heat transfer and energy use
- • **Powerhouse Performance:** 75,000 BTU delivers rapid, reliable hot water for high-demand commercial use
- • **Space-Smart Engineering:** Low profile automatic flue damper maximizes installation flexibility in tight spaces

## Overview

The Rheem G100-80 is a 100-gallon natural gas commercial water heater featuring a robust 75,000 BTU output, patented multi-flue tank design, and a space-saving low profile automatic flue damper. Engineered for easy replacement and new installations, it combines durability with efficiency to meet large-scale hot water demands.

## Description

From the Manufacturer Universal Gas Commercial Water Heaters are specifically designed to minimize the difficulty of replacing failed water heaters and are versatile for new installations. These products are designed for applications requiring large quantities of hot water.

## Features

- 75,000 BTU
- Universal tank design
- Universal space saver design
- Patented multi-flue tank design
- Low profile automatic flue damper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003UHUWPI |
| Best Sellers Rank | #1,992,869 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,520 in Water Heaters |
| Brand Name | Rheem |
| Capacity | 360 Liters |
| Color | Silver |
| Customer Reviews | 2.1 2.1 out of 5 stars (2) |
| Global Trade Identification Number | 00020352562094 |
| Heat Output | 75000 British Thermal Units |
| Is Electric | No |
| Item Weight | 540 Pounds |
| Manufacturer | Rheem |
| Manufacturer Part Number | G100-80 |
| Manufacturer Warranty Description | 3 years tank and 1 year parts. Warranties are only valid if unit was installed by a properly licensed technician |
| Material Type | Alloy Steel, Stainless Steel |
| Model Number | G100-80 |
| Mount Type | Floor |
| Power Source | Natural Gas |
| Special Features | Patented multi-flue tank design, Low profile automatic flue damper |
| Style Name | Automatic |
| UPC | 020352562094 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Rheem
- **Capacity:** 360 Liters
- **Color:** Silver
- **Power Source:** Natural Gas
- **Special Feature:** Patented multi-flue tank design, Low profile automatic flue damper

## Images

![Rheem G100-80 Natural Gas Universal Commercial Water Heater, 100 Gallon - Image 1](https://m.media-amazon.com/images/I/51kQEpcOuUL.jpg)

---

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**Shop now:** [https://www.desertcart.jp/products/31156021-rheem-g100-80-natural-gas-universal-commercial-water-heater-100](https://www.desertcart.jp/products/31156021-rheem-g100-80-natural-gas-universal-commercial-water-heater-100)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-04*