---
product_id: 687138992
title: "RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated"
brand: "liberlive"
price: "3909 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/687138992-rv-tankless-water-heater-on-demand-instant-propane-gas-rv
store_origin: RO
region: Romania
---

# 3.9 GPM continuous flow 15x15 inch door size 55,000 BTU power RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated

**Brand:** liberlive
**Price:** 3909 Lei
**Availability:** ✅ In Stock

## Summary

> 🚐 Hot water freedom wherever the road takes you!

## Quick Answers

- **What is this?** RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated by liberlive
- **How much does it cost?** 3909 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/687138992-rv-tankless-water-heater-on-demand-instant-propane-gas-rv)

## Best For

- liberlive enthusiasts

## Why This Product

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

## Key Features

- • **Safety-First Certified:** Nine built-in protections including anti-freeze & flame failure for worry-free travel.
- • **Dual Outlet Flexibility:** Hot water inside or outside your RV with included showerhead kit.
- • **Energy-Smart Efficiency:** Up to 40% propane savings with advanced staged combustion tech.
- • **Altitude-Ready Performance:** Reliable heating even at 9,800 ft with powerful NIDEC fan.
- • **Instant Hot Water On Demand:** Skip the wait—124°F in just 25 seconds for endless comfort.

## Overview

The LiberLive RV Tankless Water Heater delivers powerful 55,000 BTU propane heating with a rapid 3.9 GPM flow rate, fitting all RVs with a spacious 15x15 inch door. Featuring dual water outlets for indoor/outdoor use, smart remote control, and advanced safety certifications, it ensures energy-efficient, instant hot water—even at high altitudes—making it the ultimate upgrade for modern RV adventurers.

## Description

RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated

## Features

- [UPGRADED RV WATER HEATER] - The upgraded RV water heater features two water outlets: a regular outlet for use inside the RV and an additional outlet for use outside the RV. To use hot water outside the RV, simply open the door of the water heater outside the RV and connect the shower head to the additional water outlet on the RV water heater. This will allow you to enjoy hot water outside the RV (The shower head kit is included in the package)
- [REPLACES ALL RV WATER HEATERS] - This tankless RV water heater features a 13 x 13 inch opening with a wider 15 x 15 inch door. It also includes a smart remote control, allowing for operation from up to 6.6 feet away. This RV water heater is designed to replace other brands of water heaters, providing a seamless upgrade to your RV's water heating system
- [ENJOY ENDLESS HOT WATER] - This RV water heater boasts up to 55,000 BTUs of thermal power, capable of producing 3.9 GPM of hot water per minute. Unlike traditional tank water heaters, it provides a constant stream of hot water for multiple showers without the need for preheating. This RV tankless water heater reaches 124°F in 25 seconds, you can enjoy warm hot water in a short time frame. Whether you're showering, washing dishes, or multi-tasking, this water heater has you covered
- [CONSTANT WATER TEMPERATURE] - The RV water heater is equipped with high-efficiency heating coils to ensure optimal heating performance. The built-in microcomputer control system provides precise flame control and delivers comfortable hot water. Temperature range is 95°F-124°F. This product uses staged combustion technology to control flame size, preventing overheating in the summer and ensuring comfort and energy efficiency. It is also energy efficient, reducing propane consumption by up to 40%
- [HIGH PERFORMANCE AT HIGH ALTITUDES] - Our RV tankless water heaters are designed to perform at high altitudes, enhancing your experience on the road. This RV tankless water heaters are equipped with a high-quality heat exchange system that operates effectively at any altitude, including the Denver Plateau, which is 9,800 feet above sea level. The enhanced NIDEC fan provides 300Pa of power, ensuring a reliable hot water supply even in high-wind conditions
- [SAFETY & RELIABILITY] - This CSA-certified instant water heater boasts nine advanced safety features, including overheat protection, dry burn protection, flame failure protection, freeze protection and anti-scald protection. These safeguards allow you to travel with confidence and ensure reliable performance in any situation
- [EASY INSTALLATION] - We provide a comprehensive installation guide to ensure a straightforward and efficient installation process. RV water heaters require a 12-volt DC power connection and propane. Water inlet & water outlet: 1/2" NPT, Gas inlet: 1/2" NPT with 5/8" NPT adapter. Please note that the RV on-demand water heater must be installed in an area with proper ventilation and exhaust in order to ensure proper operation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | LiberLive |
| Special Feature | Anti-Freezing Protection, Dry Combustion Protection, Flame Failure Protection, High Water Pressure Protection, Overheat Protection |
| Color | White |
| Wattage | 55000 watts |
| Voltage | 12 Volts (DC) |
| Maximum Flow Rate | 3.9 Gallons Per Minute |
| Maximum Temperature | 124 Degrees Fahrenheit |
| Heat Output | 55000 BTU per Hour per Foot per Degree Fahrenheit |
| Efficiency | High Efficiency |
| Maximum Operating Pressure | 109 Pound per Square Inch |
| Maximum Pressure | 109 Pound per Square Inch |
| Mounting Type | Wall |
| Is Electric | No |
| Manufacturer | LiberLive |
| Item Depth | 12.4 |
| UPC | 761855325167 |
| Manufacture Year | 2024 |
| Item Weight | 30.5 pounds |
| Product Dimensions | 15 x 15 x 13.5 inches |
| Item model number | HKRV-XH01 |
| Special Features | Anti-Freezing Protection, Dry Combustion Protection, Flame Failure Protection, High Water Pressure Protection, Overheat Protection |
| Included Components | RV tankless water heater, ‎Wired controller, Showerhead Kit‎, Installation Manual |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** LiberLive
- **Special Feature:** Anti-Freezing Protection, Dry Combustion Protection, Flame Failure Protection, High Water Pressure Protection, Overheat Protection
- **Color:** White
- **Wattage:** 55000 watts
- **Voltage:** 12 Volts (DC)

## Images

![RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated - Image 1](https://m.media-amazon.com/images/I/61GXYzpFO4L.jpg)
![RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated - Image 2](https://m.media-amazon.com/images/I/81ctZKkxrVL.jpg)
![RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated - Image 3](https://m.media-amazon.com/images/I/71bE14QSQiL.jpg)
![RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated - Image 4](https://m.media-amazon.com/images/I/71TPELnOrJL.jpg)
![RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated - Image 5](https://m.media-amazon.com/images/I/71pTwyTJtKL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-24*