RecPro RV Tankless Water Heater | On Demand Gas Hot Water Heater | 42,000 BTU | Remote Control Included (18" x 18" Door Size, White)
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Availability:
Only 8 left in stock, order soon!
Arrives
Wednesday, Jun 17
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Color: White
Style: 18" x 18" Door Size
Features
- Optimal size options - Choose from two door size options, 15"H x 15"W or 18"H x 18"W, to fit your specific RV needs. Either way, the compact design of this water heater allows for easy installation in your RV's tight spaces.
- Reliable and efficient - The heat exchanger is made of copper for maximum durability and efficiency. With an automatic ignition and low water pressure startup, this tankless water heater is both convenient and energy-saving.
- Advanced features - Equipped with wired controllers for power, temperature, and Celsius-to-Fahrenheit controls, as well as fault auto-diagnosis and code display. The forced exhaust structure ensures safe operation while the gas inlet and air inlet grilles provide optimal ventilation.
- Unmatched performance - Our RV tankless water heater has a speed changing function for adjusting to different flow rates, as well as wind resistance function for use in outdoor environments. Plus, the water and gas linkage control provides precise temperature regulation for a comfortable experience every time.
Description
Details: Tankless water heater Instant heating abilities Dimensions (Front panel): 15” H Dimensions (Front panel): 15” W Dimensions (Entire unit): 14.3” D Dimensions (Back section): 12.7” H Dimensions (Back section): 12.7” W Dimensions (Back section):13.8” D (1) Water outlet and (1) inlet (1) Gas inlet Gas inlet measures 3.8” from the bottom 12V DC Power port measures 7.42” from the bottom (1) Flat lock Air inlet grilles (1) Decorative ring With wired controller with power, temperature, and Celsius-to-Fahrenheit controls Low water pressure startup Flameout protection Forced exhaust structure Speed changing and wind resistance function Water and gas linkage control Fault auto-diagnosis and fault code display The tankless water heater is NOT designed to prevent your pipes from freezing in low- temperature conditions. Insulation is REQUIRED for proper winterization of your RV.
Brand: RecPro
Power Source: gas_powered
Product Dimensions: 12.5"W x 12.5"H
Special Feature: Tankless design, instant heating abilities, low water pressure startup, flameout protection, forced exhaust structure See more
Color: White
Power Source: gas_powered
Special Features: Tankless design, instant heating abilities, low water pressure startup, flameout protection, forced exhaust structure
Wattage: 20 watts
Voltage: 12 Volts (DC)
Flow Rate: 5 Gallons Per Minute
Efficiency: Efficient
Mount Type: Floor
Is Electric: No
Item Dimensions W x H: 12.5"W x 12.5"H
Item Weight: 20.3 Pounds
Item Depth: 28.8 inches
Material Type: Copper
Brand Name: RecPro
Model Number: RP-1057-42BTU
Manufacturer: RecPro
Manufacturer Warranty Description: 1 Year Manufacturer
UPC: 193652106111
Included Components: Remote, Water Heater
Item Type Name: Water Heater
Color: White
Style Name: 18" x 18" Door Size
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Jun 17
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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Top Amazon Reviews
Color: Black
Style: 15" x 15" Door Size
My picture is horrible, because I was hot, sweaty, bleeding from several areas, and had uttered more curse words to fill up an entire case of swear jars. Oh and of course my blood sugar was low and I was 'hangry.' But that's what happens when you do big projects on your RV. You can see the old leaky water heater dumped on the ground, and the new one in place, ready to be plumbed. A few modifications, and it was a nice swap. Now how to deal with the fact that it is about an inch too small all the way around? I could modify the exterior of my RV, but no, I figured out a way to mount the new heater, and still use the same door from the old heater. I got lucky; most RVs probably won't be this easy. That's on you. As for how it works: Quite well. I've been playing around with it for about 2 months. You can set it and forget it. Your water will stay the same temp. It likes steady flow; if you mess with it here and there, it will turn off and on, and you'll have to wait a minute or so until it levels out. That's no big deal. The remote does have a few weird things going on, but I find the less I mess with things I don't understand, the better they work. I guarantee you that 90% of the bad reviews on this water heater are because of customer stupidity...
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Reviewed in the United States on July 21, 2023 Reviewed in the United States on July 21, 2023 by WALLY
Color: Black
Style: 15" x 15" Door Size
Easy install, fits perfectly, I set the temp to 111 degrees and with low flow and high flow shower head, I can flow the sink and shower and never run out of hot water, just pay attention because it's and RV not your home, set the temperature so you only use hot water, don't try and and mix cold water, it will turn the burner off, we are 100% happy with this. Now with an outside shower tent we can take two showers at a time and no hot water issues. Love it. Why did you pick this product vs others?: Reviews and price
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Reviewed in the United States on June 28, 2025 by smokeeater56
Color: White
Style: 15" x 15" Door Size
The water heater beats the old 6 gallon tank hands down. That being said it gets wonky on temperature after about 7 minutes- the normal time you get with a six gallon tank. It hasn't shut down or anything, it just changes from real hot to warm randomly after a about 7 minutes. The installation instructions are absolutely useless!!! You have to ground one lead for the remote to make it work fyi. Doesn't seem to matter which wire goes to which or which you ground- would be nice to know! Tank fits perfectly in the suburban opening in the trailer, depth is much less than the old tank so you will need more pipe to hook it up. Gas line doesn't have an o ring in it its the dust cap for Shipping, and mine had water in the lines already. All complaints aside it's way better then the actual tank model heaters
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Reviewed in the United States on May 15, 2021 by Kettle Falls Clayton
Color: Black
Style: 15" x 15" Door Size
This product is of exceptional quality and performs flawlessly. It was incredibly easy to install, making the setup process a breeze. Additionally, the customer service is outstanding! Their technical support is both efficient and highly effective. I’ve purchased this product twice and remain extremely satisfied, even after over two years of use. Highly recommend!
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Reviewed in the United States on August 26, 2025 by The reviewer
Color: Black
Style: 15" x 15" Door Size
Straightforward and easy to install. It took me about 2.5 hours to remove the old one and install this one. Most of the time was spent removing the old one and modifying the opening. This is 1/2 inch bigger both sides than the opening in a Shadow Cruiser with a Suburban 6 gallon. To get the Suburban out, I had to remove the circuit board sticky taped to the top of it and pulling it out of the opening busted off half of the styrofoam insulation. Plus, the Suburban has wires running everywhere, I had to find the straight 12V pos and neutral (red and green, I just abandoned the blue wire.) I turned the 110V circuit into a wall outlet. The Fogatti is laid out perfect, the connections are easy to make. Unfortunately, I had to remove the screws holding the back panel (2 sides) just to get it through the opening, even after grinding off excess fiberglass and aluminum framing to make the opening bigger. I metal taped the sides of the back panel where the screws are removed, it is just as solid as having the screws in. Plenty of wire is included with the remote, unless you are mounting it in the bathroom, which I do not understand. I put mine by the power center and set it at 123 degrees and will probably never mess with again. A slight issue that I was already aware of; the heater takes a couple of seconds to turn cold water into hot water. When you close the kitchen faucet and then open it again, you have to wait to get hot water, maybe 7-10 seconds. I have to admit, it was nice with the tank heater having hot water uninterrupted within seconds. But, believe me, I can deal with it. First time I ran a hot shower without cutting off the water to soap up. No more Navy submarine BS. Luxuriated in that wonderful endless stream of water. Be sure to get a thermostatic mixing valve, I'm not sure what happens when this is starved of cold water (kitchen faucet opened while you are in the shower.) I bought this one https://www.amazon.com/gp/product/B09QPCMN7P/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1 and it has been great (looks good too.) Plus, no more gas being used to keep water warm in the tank. And the outside cover of it looks a lot better, more subtle and stronger looking. And, a $120 discount from when I was pricing these during RV season. I'm a satisfied customer. Edit 12/17/23 - I got ten days of enjoyment from using this product. When I say enjoyment, unrestricted, full flowing hot water under all conditions. On the eleventh day, it started flaming out, right in the middle of a shower. Since then it has gone to 1) severely restricting the flow of water, 2) flaming out almost immediately, under any and all conditions. There is some stupid code built into the circuit board that will not let it simply heat the water. It is chasing ghosts. Going down the rabbit holes. During the ten days it worked perfectly, none of the ambient conditions have changed since then 1) propane pressure is the same or stronger (replaced with full tank, tried a heating blanket for the tank -failed.) 2) the water pressure hasn't changed (my faucets will rip out cold water.) 3) temperature of the incoming water (today it actually got warm outside, it was still the worst shower I ever had in my life.) I've tried every temperature set point, I've tried every faucet setting, I have a shower protocol now; turn it on full hot water set at 103 degrees, wait for it to flame out, usually 30 seconds. Stop the flow, restart the flow, wait for the next flame out. Usually 2 minutes. Stop the flow, restart the flow, enter shower, before it was giving me uninterrupted flow but not today. It kept flaming out. I contacted the seller of the item, they blew me off (contact Amazon with warranty issues, check the wires on the gas valve.) Hey, that's great, thanks for your concerns, it's not a big deal not being able to take a lukewarm shower. Thanks for all your help. But, check it out, this thing is coming back to you, and I don't want another one. You don't care and neither do I.
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Reviewed in the United States on November 27, 2023 by AC315
Color: White
Style: 15" x 15" Door Size
I love it!! I bought and installed this unit about a month ago to replace the original water heater in my 12 year old Park Model trailer. I did the installation myself and it was simple for anyone who's experienced with home repairs. The new one is identical to the one it replaced except it is a generation or two newer than the old one and is far better engineered than the old one. The old one had a number of usability issues, primarily attaining and maintaining a constant output water temperature despite changes of water flow rates through it or incoming water temperature. It was not made to change the flame size to compensate for changes in water flow rate through it or incoming water temperature changes other than by using a switch, located in the hallway, to manually change the flame size to either high or low. I've learned over the years how to deal with those shortcoming and a couple of others as well. However, this new unit automatically changes the flame size to compensate for those changes plus it also comes with a wired remote to set the desired output water temperature, which the water heater will maintain within a wide range of changing conditions.
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Reviewed in the United States on July 23, 2025 by Dennis J.
Color: Black
Style: 15" x 15" Door Size
Perfect water heater for the money. That instant-on in the PNW in the winter is very nice. The remote control is awesome as well.
Reviewed in the United States on March 16, 2026 by Jonathan Miller
Color: Black
Style: 15" x 15" Door Size
We replaced the 6 gallon 2 way tank water heater that originally came in our travel trailer with this unit. After having it installed for a couple weeks, we have a list of both pros and cons. Pros: -Direct fit replacement for the Dometic/Atwood 6 gallon tank style heater. I didn’t have to make a fillet panel or anything for the outside of the trailer. -Does a great job at providing continuous hot water and maintaining the set temperature (there are a couple caveats to this in the cons) -Built in freeze protection works very well -Pretty quiet inside the trailer. You can definitely tell it’s on, but it’s less noisy than I thought it would be. -Pretty straightforward installation. Including the run to Lowe’s (more on that in cons) it only took me 2.5 to 3 hours to swap. I used the power from the LP gas switch on my control panel to supply 12v, so I have an additional kill switch to the one behind the access door. Cons: - Outside, it sounds a bit like a hairdryer on full blast. Thankfully our neighbors in our current campground are far enough away that it doesn’t bother them. - Doesn’t come with a T&P relief valve. Between the valve itself, and the tee and nipples to attach it to the outlet side, that ran me another 60 bucks at Lowe’s. RecPro, please start including this in the box. I’d rather pay another 15-20 upfront to have it included. -This unit is very finicky with the water flow and maintaining temp. The sinks are low flow enough that the heater can keep up with one at a time. However, the shower valve being fully open or both sinks being used is too much water flow, and the temperature may barely break 90 regardless of setting. Also, turning on the cold water too may cause a pressure drop enough to kick the heater off altogether. For this reason, we set the desired temperature on the controller and only open the shower hot valve a maximum of 3/4ths.
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Reviewed in the United States on March 31, 2021 by Russ