---
product_id: 38134206
title: "GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534"
brand: "girard"
price: "€ 1966.99"
currency: EUR
in_stock: true
reviews_count: 13
category: "Girard"
url: https://www.desertcart.hr/products/38134206-girard-tankless-rv-water-heater-12v-power-42-000-btus
store_origin: HR
region: Croatia
---

# 12V low amp brushless motor 1.5 GPM steady flow rate 42,000 BTUs powerful heat GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

**Brand:** girard
**Price:** € 1966.99
**Availability:** ✅ In Stock

## Summary

> 🚿 Upgrade your RV lifestyle with endless, efficient hot water—because comfort waits for no one!

## Quick Answers

- **What is this?** GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534 by girard
- **How much does it cost?** € 1966.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/38134206-girard-tankless-rv-water-heater-12v-power-42-000-btus)

## Best For

- girard enthusiasts

## Why This Product

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

## Key Features

- • **Fuel-Saving Innovation:** Consumes half the LP gas compared to traditional 6-gallon tank heaters—eco-friendly and budget-wise.
- • **Whisper-Quiet Efficiency:** 12V brushless motor runs under 3 amps for nearly silent operation.
- • **Smart Temperature Control:** Onboard microprocessor ensures consistent temps from 95°F to 124°F with no scalding or cold spots.
- • **Endless Hot Water On-Demand:** Say goodbye to cold showers with continuous 42,000 BTU heating power.
- • **User-Friendly Digital Panel:** Adjust temps, monitor performance, and troubleshoot easily with intuitive digital controls.

## Overview

The GIRARD Tankless RV Water Heater delivers continuous 42,000 BTU hot water with a whisper-quiet 12V brushless motor operating under 3 amps. Its onboard microprocessor smartly regulates temperature and flow, providing steady water from 95°F to 124°F while using half the propane of traditional 6-gallon tank heaters. Designed for easy installation and equipped with a digital control panel, it’s the ultimate upgrade for RVers seeking efficient, reliable, and customizable hot water on the road.

## Description

Get endless hot water on-demand! The Girard tankless RV water heater provides hot water at the precise temperature you set it to. The onboard microprocessor intelligently drives the inner workings of the heater, monitoring incoming cold water temperature, flow rate and outgoing water temperature. It also regulates the burner so that you get a constant, steady water flow. This RV tankless water heater is a breeze to install. It fits into any tank water heater opening and requires no special plumbing or modifications to your rig. The water heater door is hinged, making it easy to open and close while maintaining quick and convenient access.The Girard tankless hot water heater comes with a user display that allows you to see the operating functions of the unit and adjust temperatures from 95 to 124°F. The digital controller also displays visual diagnostic information for easy troubleshooting if issues arise.Empower your mobile lifestyle with Girard. We offer one of the best-selling tankless water heaters for RVs and supply many RV manufacturers with high-quality water solutions using state-of-the-art electronics and components.

Review: No more cold showers, no more waiting for hot water! Best money I've ever spent! - One year update.... The unit is still running like a champ! I'm getting a 73°F rise across the unit in the winter time with 40 something inler water temp. I can find no fault with this unit. Three month update... Still running strong AND using less propane than I would have otherwise with the 12 gallon suburban. As we all know, running dsi heaters with both propane and a.c. element create faster recovery. A non issue with the Girard unit. I am seeing a 65°F rise across the unit, but I have mine set at 115°F anyway. Still, by far, the best $500 I ever spent for our coach. I just wish I had put these in all if our rv's! Momma is still happy with her 25 minute showers and I don't mind the extra time under that hot water to loosen up these old bones before bedtime. I've seen some other reviews really ragging on this unit. Remember three things, you MUST provide a MINIMUM flow rate of 0.9 gpm as pulseless as possible or the flow sensor will not trip the control circuit. If, when adjusting your temperature at your plumbing fixture (shower/ sink) and the hot water side flow drops below 0.9 gpm, you will get hit with a slug of cold water. I prefer setting the temp at my desired water temp and running hot wide open. This prevents any undesired flow characteristics due to infamous low flow water fixtures associated with recreational vehicles. Finally, if you don't have shore connections, don't let your shower time get away from you or you'll have a full gray water tank before you know it. Remember, you'll also need to order a replacement door specific to the existing, EXISTING unit which you are replacing/retrofitting. This has been the absolute, best investment we have ever made towards improving our RV'ING experience! As a plumber, installation was fairly straightforward. Using existing 12vdc to my "old/new" 10 gallon Suburban in our new 2017 Columbus fifth wheel, the installation took about two hours. You will need to order a separate door for your existing opening/water heater make. If you are of average aptitude and mechanical skill, you should be able to do a self install. If you have any apprehension, whatsoever, have a pro install. Today, I took my first ever, 10 minute shower in my fifth wheel, as did my wife. The heater does have a minimum 0.9 gpm flow rate to fire. So, if you are using a pressure regulator for your shore connection, verify that you can get at least 1 gpm thru your shower head. I did the old bucket and stop watch trick and ended up at 1.5 gpm. I also used the existing 12vdc from my water heater switch on the control panel. You might see some complaints, but trust me, if you correctly install and provide proper water flow, you will LOVE THIS HEATER!
Review: I should have changed to Tankless years ago - My wife and I are Full Time RV'rs. We roll in a 2016 Coachman Pursuit 32 ft Class A. Our hot water tank split and was totally trashed. After lots of research we opted to go tankless. Again, lots of research brought me to this unit. I have to tell you the install was very easy. If you have just basic skills and knowledge you can install this yourself. Make sure you have a roll of Butyl Tape and for us a small junction box. After removing the old unit, we installed a small junction box to connect the 12 volt power right off the furnace that sits next to the water heater. I also replaced both water line connections with new ones. I opted to use the steel mesh lines like the ones used on washer machines. Gas line connection was easy peasy. The only thing you don't get is the door cover. You can not use the old door cover because the exhaust system is completely different. The one that is recommended with this unit fit perfect. The gas usage is 100% more efficient than before. As you know throughout any 24 hour period the gas would light off and reheat the water in the tank as the temp dropped. And if you really needed to use it for say a shower, you need to shower fast. 6 Gallons does not last long. With tankless. The gas fires off ONLY when you open a hot water valve. After about 15 to 20 seconds you have wonderful hot water. This unit claims that it can run continuous for almost 2 hours. Have not tried it but our showers are now wonderful. The control panel is simple. It is preset at 115 degrees. you can change it up or down at your pleasure. We have found 115 is perfect for us. So far this has been a great unit and the replacement cost for my original unit, 6 gallons, gas fired.....was 811.00. So this purchase with the door, saved me 300,00. Its a great unit and we love it!!!!

## Features

- POWERFUL PERFORMANCE — At 42,000 BTUs, this continuous hot water heater provides optimal performance for RV plumbing. The quiet, brushless motor runs on 12V power that operates at less than three amps for a nearly noiseless operation
- CONSISTENT TEMP — The onboard microprocessor monitors incoming cold water temperature, flow rate and outgoing hot water temperature to maintain a steady water flow. It also regulates the burner to maintain a consistent temperature, preventing cold spots and scalding water
- HIGHLY EFFICIENT — The Girard RV tankless water heater consumes half the LP gas that a six-gallon tank water heater would consume for the same amount of hot water
- INTELLIGENT CONTROL — With a digital user control panel, you can adjust the temperature setting from 95 to 124°F, toggle between Fahrenheit and Celsius, get a continuous water outlet temperature reading and more. For easy troubleshooting, the control panel also displays error codes if issues arise
- Professional Installation is strongly recommended

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B019BWN8E2 |
| Best Sellers Rank | #47,221 in Automotive ( See Top 100 in Automotive ) #28 in RV Water Heaters |
| Brand | GIRARD |
| Brand Name | GIRARD |
| Capacity | 6 gallons |
| Color | Gray |
| Customer Reviews | 4.3 out of 5 stars 1,585 Reviews |
| Efficiency | Half the fuel consumption of traditional 6-gallon tank water heaters |
| Flow Rate | 1.5 Gallons Per Minute |
| Global Trade Identification Number | 00846611000561 |
| Heat Output | 42000 British Thermal Units |
| Included Components | Girard 2GWHAM On-Demand GSWH-2 Tankless RV Water Heater |
| Is Electric | No |
| Item Depth | 13.75 |
| Item Dimensions W x H | 14.5"W x 14.5"H |
| Item Type Name | Girard 2GWHAM On-Demand GSWH-2 Tankless RV Water Heater |
| Item Weight | 22 Pounds |
| Manufacture Year | 2022 |
| Manufacturer | GIRARD PROD |
| Manufacturer Part Number | 2GWHAM |
| Material Type | Silicone |
| Maximum Temperature | 124 Degrees Fahrenheit |
| Model Number | 2022107534 |
| Mount Type | Wall |
| Power Source | Corded Electric |
| Product Dimensions | 14.5"W x 14.5"H |
| Special Feature | Lightweight |
| Special Features | Lightweight |
| Style Name | Indoor Installation |
| UPC | 846611000561 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Wattage | 42000 watts |

## Product Details

- **Brand:** GIRARD
- **Capacity:** 6 Gallons
- **Power Source:** Corded Electric
- **Product Dimensions:** 12.5"W x 12.5"H
- **Special Feature:** Lightweight

## Images

![GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534 - Image 1](https://m.media-amazon.com/images/I/71brtmGbzjL.jpg)

## Questions & Answers

**Q: i have a 16x16 open hole what door do i need?**
A: For anyone else asking this question, look on Gerard’s website. There is a downloadable document that shows and explains the door types. If you currently have a 6 gallon tank heater, there are two sizes. If you currently have a 10 gallon tank heater, there is only one door type.

**Q: Can this be used year round in nc where outdoor temps can dip down to 0f? the inside of camper would stay heated.**
A: Big negative on that one. We own a RV shop in MI and all it takes is a couple hours below freezing and they will crack the fitting at the flow sensor particularly the brass around the set screw breaks. Not a big deal to fix $80 for parts depending on how bad. But I digress for year round use there are vastly better options out there. (We're @ over 100 of these repairs completed)

**Q: Does it run on both electric or propane**
A: Unit uses propane for fuel to heat water and 12 volt for control system, ignition and burner blower.  12 volt consumption is mainly blower motor when operating

**Q: Does this have a winter use device (wud) ?**
A: As long as its operational it has an "anti-freeze" and it will kick on to warm the pipes within the unit only it won't cycle all of your system and keep it from freezing if your basement isn't heated but it will protect itself if you leave it on See the owners manual on their web site

## Customer Reviews

### ⭐⭐⭐⭐⭐ No more cold showers, no more waiting for hot water! Best money I've ever spent!
*by S***. on April 12, 2017*

One year update.... The unit is still running like a champ! I'm getting a 73°F rise across the unit in the winter time with 40 something inler water temp. I can find no fault with this unit. Three month update... Still running strong AND using less propane than I would have otherwise with the 12 gallon suburban. As we all know, running dsi heaters with both propane and a.c. element create faster recovery. A non issue with the Girard unit. I am seeing a 65°F rise across the unit, but I have mine set at 115°F anyway. Still, by far, the best $500 I ever spent for our coach. I just wish I had put these in all if our rv's! Momma is still happy with her 25 minute showers and I don't mind the extra time under that hot water to loosen up these old bones before bedtime. I've seen some other reviews really ragging on this unit. Remember three things, you MUST provide a MINIMUM flow rate of 0.9 gpm as pulseless as possible or the flow sensor will not trip the control circuit. If, when adjusting your temperature at your plumbing fixture (shower/ sink) and the hot water side flow drops below 0.9 gpm, you will get hit with a slug of cold water. I prefer setting the temp at my desired water temp and running hot wide open. This prevents any undesired flow characteristics due to infamous low flow water fixtures associated with recreational vehicles. Finally, if you don't have shore connections, don't let your shower time get away from you or you'll have a full gray water tank before you know it. Remember, you'll also need to order a replacement door specific to the existing, EXISTING unit which you are replacing/retrofitting. This has been the absolute, best investment we have ever made towards improving our RV'ING experience! As a plumber, installation was fairly straightforward. Using existing 12vdc to my "old/new" 10 gallon Suburban in our new 2017 Columbus fifth wheel, the installation took about two hours. You will need to order a separate door for your existing opening/water heater make. If you are of average aptitude and mechanical skill, you should be able to do a self install. If you have any apprehension, whatsoever, have a pro install. Today, I took my first ever, 10 minute shower in my fifth wheel, as did my wife. The heater does have a minimum 0.9 gpm flow rate to fire. So, if you are using a pressure regulator for your shore connection, verify that you can get at least 1 gpm thru your shower head. I did the old bucket and stop watch trick and ended up at 1.5 gpm. I also used the existing 12vdc from my water heater switch on the control panel. You might see some complaints, but trust me, if you correctly install and provide proper water flow, you will LOVE THIS HEATER!

### ⭐⭐⭐⭐⭐ I should have changed to Tankless years ago
*by L***Y on March 16, 2024*

My wife and I are Full Time RV'rs. We roll in a 2016 Coachman Pursuit 32 ft Class A. Our hot water tank split and was totally trashed. After lots of research we opted to go tankless. Again, lots of research brought me to this unit. I have to tell you the install was very easy. If you have just basic skills and knowledge you can install this yourself. Make sure you have a roll of Butyl Tape and for us a small junction box. After removing the old unit, we installed a small junction box to connect the 12 volt power right off the furnace that sits next to the water heater. I also replaced both water line connections with new ones. I opted to use the steel mesh lines like the ones used on washer machines. Gas line connection was easy peasy. The only thing you don't get is the door cover. You can not use the old door cover because the exhaust system is completely different. The one that is recommended with this unit fit perfect. The gas usage is 100% more efficient than before. As you know throughout any 24 hour period the gas would light off and reheat the water in the tank as the temp dropped. And if you really needed to use it for say a shower, you need to shower fast. 6 Gallons does not last long. With tankless. The gas fires off ONLY when you open a hot water valve. After about 15 to 20 seconds you have wonderful hot water. This unit claims that it can run continuous for almost 2 hours. Have not tried it but our showers are now wonderful. The control panel is simple. It is preset at 115 degrees. you can change it up or down at your pleasure. We have found 115 is perfect for us. So far this has been a great unit and the replacement cost for my original unit, 6 gallons, gas fired.....was 811.00. So this purchase with the door, saved me 300,00. Its a great unit and we love it!!!!

### ⭐⭐⭐⭐⭐ A little better than a tank unit and less expensive
*by H***P on August 18, 2019*

The monitor allows for simple adjustment of the water temperature. It is a great feature. The monitor also has a red LED and a green LED. Nowhere in the instructions does it explain the meaning of the LED’s. Apparently, the red LED means that the unit is armed. I still don’t know what the green LED means but I can switch it off and on. It doesn’t seem to matter.I bought this to replace a 6-gal tank unit which froze and burst. When I opened the Girard's white control box cover to inspect the circuit board, I found that the blower wiring harness was pinched during assembly between the box housing and the box cover possibly damaging the wires: just another example of lousy workmanship, poor supervision, and lack of quality control. To be fair, I find poor workmanship and manufacturing defects everywhere I go. Winterization is a problem because there is no way to drain the unit without draining the water system and blowing air through it. Otherwise, you need to maintain LP gas and 12V DC power to the unit to protect itself, or antifreeze the whole water system. This is important because if you drive/pull your RV through freezing temperatures, the heat exchanger could freeze because it is exposed to the outside air through the door vent and your propane needs to be shut off when you are on the road. I don’t like that because the rest of my water system is insulated and my fresh water tank is electrically heated to prevent freezing so that I can camp in freezing weather with liquid water, even without propane, and I wouldn’t have to drain the whole water system (and blow air through it) every time I drive through the mountains or spend a cold night in the desert without propane on. How is one going to blow air through the heat exchanger when on the road? Hot water tanks, by comparison, are insulated and come with a drain plug. This on-demand unit needs a drain valve so I tapped my water line at the lowest point next to the Girard unit and installed my own drain just for the hot water circuit. I may have voided the warranty by doing this but the warranty does not cover damage due to freezing. See attached photos. UPDATE This water heater works great and has the best features. I found a defective pipe weld but I still think this product merits 4.625 stars. To be fair, I find defects in EVERYTHING! I sprung a leak in the water inlet pipe that the pressure relief valve is connected to. It happened when the temperature went down to 32°F for about an hour and I did not have 12Vdc power applied. The pipe that was damaged is only a $29-dollar part but a lot of work to replace. I highly recommend checking the pressure relief valve adjustment after installing the unit. This is not covered in the manual. It’s the thing that looks like a splined shaft in the bottom right. To adjust the pressure relief valve, turn the inside (core) of the relief valve with a flat screwdriver until water comes out with water pressure applied, then turn the core until the water stops. When I installed my unit, I also installed a drain valve in the lowest part of my hot water system so I would not have trouble winterizing in storage but I eventually discovered that I could have accomplished the same thing by removing the pressure relief valve assy by unscrewing it from the joint on the water inlet pipe. You can accomplish this by turning the splined shaft counterclockwise until it separates from the water inlet pipe. You will still need to blow some air through the system to get all of the water out. For all-season use, I think this is better than using an tank-type unit.

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-17*