---
product_id: 620149607
title: "Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater"
brand: "ranein"
price: "433915 Ft"
currency: HUF
in_stock: true
reviews_count: 8
category: "Ranein"
url: https://www.desertcart.hu/products/620149607-ranein-natural-gas-tankless-water-heater-indoor-max-3-6
store_origin: HU
region: Hungary
---

# 3.6 GPM max flow 80,000 BTU power Multi-layer safety Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater

**Brand:** ranein
**Price:** 433915 Ft
**Availability:** ✅ In Stock

## Summary

> 🔥 Instant Heat, Infinite Comfort — Never Wait to Elevate Your Home Experience!

## Quick Answers

- **What is this?** Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater by ranein
- **How much does it cost?** 433915 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/620149607-ranein-natural-gas-tankless-water-heater-indoor-max-3-6)

## Best For

- ranein enthusiasts

## Why This Product

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

## Key Features

- • **Precision Temp Control:** Adjustable 95°F-149°F range with intelligent gas-water linkage eliminates temperature spikes for ultimate comfort and safety.
- • **All-Weather Reliability:** Anti-freeze protection down to -5°C and comprehensive safety features guard against overheating, dry burn, and CO leaks.
- • **Instant Hot Water, No Wait:** Delivers endless 3.6 GPM hot water on demand, perfect for simultaneous use at 2-3 points.
- • **Built-In Family Safety Modes:** Four preset modes plus child lock ensure anti-scald protection tailored for infants, elders, and daily tasks.
- • **Dual Heating Chambers for Efficiency:** Innovative double chamber design boosts heat uniformity and energy savings while running quieter and safer.

## Overview

The Ranein Natural Gas Tankless Water Heater offers powerful 80,000 BTU output with a 3.6 GPM flow rate, delivering instant hot water for multiple outlets simultaneously. Featuring precision temperature control, dual heating chambers for energy efficiency, and advanced safety including child lock and anti-freeze protection, it’s designed for modern homes seeking reliable, on-demand hot water with smart family-friendly features.

## Description

Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater - desertcart.com

Review: Working well. - Easy to install. Worst very well. Adjustable temp controls.
Review: Nice Alternative for Higher Ones - Works as should!

## Features

- Powerful On-Demand Heating: 80,000 BTU & 3.6 GPM for this tankless water heater natural gas, supports 2-3 water points simultaneously, delivers endless natural gas hot water on demand with no waiting.
- Precision Temp Control: Gas-water-temperature intelligent dynamic linkage, 95°F-149°F adjustable range, eliminates hot/cold spikes, safe for kids and elders.
- Double Heating Chamber & Energy-Saving: Dual heating chambers boost efficiency, ensure uniform temp and stable supply; quieter, safer, paired with optimized combustion and heat retention for energy saving.
- Oxygen-Free Copper Heat Exchanger: Enhances heat transfer, corrosion-resistant and durable; complements dual heating chamber for better performance.
- 4 Preset Modes + Child Lock: One-click switch for Dish/Fruit/Elderly/Infant modes; child lock prevents accidental adjustment, anti-scald for family use.
- All-Round Safety & Anti-Freeze Protection: Equipped with overheat, dry burn and exhaust blockage protection; powerful fan prevents CO leakage. Built-in anti-freeze device resists -5℃/23°F low temperature.
- Included Vent Pipe & Installation Note: Comes with original vent pipe (no extra purchase, saves money). Install by licensed professionals, not for >2,000ft elevation. Recommend draining water completely if temp drops below -5℃/23°F or unused for long to prevent pipe cracking.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CR1BTH9N |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #51,484 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Water Heaters |
| Brand | Ranein |
| Color | 3.6GPM 80,000BTU (Indoor) |
| Customer Reviews | 4.2 4.2 out of 5 stars (75) |
| Date First Available | May 31, 2023 |
| Heat Output | 80000 British Thermal Units |
| Included Components | Assembly Kit x1, Tankless Water Heater x1, Use’s Manual x1, Vent Pipe x1 |
| Is Electric | No |
| Item Weight | 18 pounds |
| Item model number | RH8K-NG |
| Manufacturer | Ranein |
| Maximum Flow Rate | 3.6 Gallons Per Minute |
| Mounting Type | Wall |
| Product Dimensions | 13.8"W x 21.7"H |
| Special Feature | LED Display |
| Special Features | LED Display |
| Style | Natural Gas |
| Voltage | 120 Volts (AC) |
| Warranty Description | 2 Year Manufacturer |

## Product Details

- **Brand:** Ranein
- **Capacity:** 3.6 Gallons
- **Power Source:** Natural Gas
- **Product Dimensions:** 13.8"W x 21.7"H
- **Special Feature:** LED Display

## Images

![Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater - Image 1](https://m.media-amazon.com/images/I/51El3LpUwQL.jpg)
![Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater - Image 2](https://m.media-amazon.com/images/I/71gUoIBXsGL.jpg)
![Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater - Image 3](https://m.media-amazon.com/images/I/71Gv41rL0GL.jpg)
![Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater - Image 4](https://m.media-amazon.com/images/I/61-2Gko2ZHL.jpg)
![Ranein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater - Image 5](https://m.media-amazon.com/images/I/71y-lflmJBL.jpg)

## Available Options

This product comes in different **Material Type, Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Working well.
*by C***. on February 15, 2026*

Easy to install. Worst very well. Adjustable temp controls.

### ⭐⭐⭐⭐⭐ Nice Alternative for Higher Ones
*by K***S on March 14, 2026*

Works as should!

### ⭐⭐⭐⭐⭐ Space to install very convenient
*by S***N on March 3, 2026*

Installing was very easy

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**Shop now:** [https://www.desertcart.hu/products/620149607-ranein-natural-gas-tankless-water-heater-indoor-max-3-6](https://www.desertcart.hu/products/620149607-ranein-natural-gas-tankless-water-heater-indoor-max-3-6)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-19*