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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Thursday, Oct 29
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At a glance
- Condition
- New
- Style
- Natural Gas
- Size
- 5.3 GPM
- Model
- V53DeN
- Capacity
- 5.3 gal
- Weight
- 33 lb
- Color
- Euro White
- In the box
- Water Heater
Features 6
- Unlimited Hot Water For Your Family: Enjoy endless hot water with our Rinnai tankless hot water heater, providing a flow rate of 5.3 GPM to serve up to 4 appliances; Say goodbye to cold showers and hello to convenience with this efficient unit
- Energy Efficiency At Its Best: This compact gas tankless water heater conserves energy by heating water only when needed, making it an earth-friendly choice for energy-conscious homeowners; Reduce utility bills and enjoy hot water as needed
- Peace Of Mind With Long-Lasting Performance: The Rinnai tankless hot water heater offers a 10-year warranty on the heat exchanger, ensuring durability; Enjoy uninterrupted hot water flow without worrying about frequent repairs
- Compact And Space-Saving Design: Our outdoor tankless hot water heater is designed for modern homes, ideal for families and new homeowners; Its small footprint allows easy installation in tight spaces without sacrificing performance
- User-Friendly And Easy Installation: We recommend professional installation for the best results, ensuring safe operation of this on demand water heater; Visit our Rinnai PRO page to find a qualified technician near you
- Residential warranty: limited 15-year on heat exchanger, 5-year on parts, 5-year on labor (Requires product to be registered within 90 days of installation or Labor Warranty defaults to 1-year)
Description
Experience the ultimate in home comfort with the Rinnai V53DeN tankless hot water heater. This high-performance, gas-powered unit delivers endless hot water, boasting an impressive flow rate of 5.3 GPM. Its compact design makes it ideal for both new home buyers and families, seamlessly fitting into various spaces without sacrificing efficiency. This durable, energy-efficient hot water heater only heats water when needed, helping you save on utility bills while maintaining optimal performance. Designed with advanced technology, the Rinnai tankless water heater extends the lifespan of your system and lessens maintenance with enhanced scale detection features. Ideal for households of all sizes, this powerful tankless hot water heater offers a consistent water pressure to serve up to four appliances simultaneously. For convenience, professional installation is recommended, and a strong warranty backs this reliable system: enjoy a 10-year warranty on the heat exchanger, 5 years for labor, and 1 year on parts. Keep your home running smoothly with the Rinnai tankless hot water heater, an investment in comfort and sustainability. Experience the smart choice for hot water—perfect for today’s energy-conscious consumers.
Specs 24
| Brand | Rinnai |
|---|---|
| Capacity | 5.3 gallons |
| Power Source | Gas Powered |
| Color | Euro White |
| Wattage | 81000 watts |
| Voltage | 120 volts |
| Flow Rate | 5.3 gpm |
| Maximum Temperature | 140 °F |
| Heat Output | 81 KW |
| Mount Type | Wall |
| Item Weight | 33 pounds |
| Item Depth | 7.9 in / (202 mm) |
| Item Highlight | 5.3 GPM, Compact Outdoor Install, Endless Hot Water, Energy Efficient, Space-Saving Design, Save Space |
| Style Name | Natural Gas |
| Brand Name | Rinnai |
| Model Number | V53DeN |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Manufacturer | Rinnai |
| Manufacturer Warranty Description | Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts) |
| UPC | 766156011795 |
| Global Trade Identification Number | 95 |
| Item Type Name | RV53DeN |
| Manufacturer Part Number | V53DeN |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Good value
Style: Natural Gas
Size: 5.3 GPM
Easy to install with basic tools and knowledge, does not come with hose kit, but works quite well. Keep in mind that this is an outdoor rated unit, not for mounting inside. The only issue I have had in approx 1 year was during high winds, it had trouble maintaining flame stability and temp. No issues over the winter with temps in the teens this past winter in South Louisiana.
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Reviewed in the United States on April 10, 2026 by Red
Works GREAT so far!
Style: Natural Gas
Size: 5.3 GPM
Previously, I had an old Electric water heater. I can't complain, it lasted 17 years with minimal maintenance. Decided to look into a tankless due to the electric costs being so high. I purchased an outdoor unit, since I didn't have any previous vents to the outside. It is super quiet and sometimes I have to go outside to make sure it is working when the hot water is on. The new Rinnai tankless has only been installed for a month but works great! Even survived the cold Northern Indiana winter so far. The heater has sensors to keep the pipes warm within the unit but be sure to protect the outside piping going to the unit from the cold. Hot water everywhere in the house and at the same time. Never installed a tankless water heater before, but with many videos on you-tube about Rinnai water heaters, made it easy and answered all the questions to know what to do. Two settings, Factory default is 120F, tested with a temperature gun and was getting 117F at the faucet. 140F degree setting is producing 133-135F at the faucet. If it saves on electric cost, it should pay for itself within a year. Should have done this years ago. Definitely has exceeded my expectations so far!
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Reviewed in the United States on February 6, 2026 by Jim Myers
Very affordable unit! Works so much better than my old crappy storage tank
Style: Natural Gas
Size: 5.3 GPM
Installed easily and functions well with no issues.
Reviewed in the United States on August 27, 2025 by d9vk37
Great Heater, Terrible Documentation
Style: Natural Gas
Size: 5.3 GPM
This is a review of the V53DeN. This is my second Rinnai tankless. The first was for the main house, this second for a master bedroom addition. I've had the first for more than 5 years and it's been wonderful. We didn't need 5.3gpm for a shower and a sink, but I trust Rinnai so I went with them again for the second heater. So far the unit has been great. My complaints have to do with the installation. I could have done it myself, but I hired a professional to help to make sure everything was to code. Neither of us could figure out the electrical from the enclosed instructions. We chased the wires in the diagram enclosed in the heater itself and figured out how to wire it, but no one should have to go through that effort to connect 3 wires. Also, the fitting for the electrical conduit on the bottom of the unit is machine thread not pipe thread. There must be a pipe-to-machine thread adapter that was missing from my unit. I will call Rinnai to find out. Again, the electrical shouldn't be this hard. It wasn't with our first unit. Finally, the box says "Wifi Enabled" but there's nothing in the instructions about how to connect. I don't care because I'm not connecting anyway, but it's just another way Rinnai really flubbed the documentation. Edit: I finally finished the electrical connections 2 months later, no thanks to Rinnai customer help, who eventually stopped responding to my emails. The connection at the unit looks like 3/4" compression to me. I've attached pics in case they help anyone. It's a tight fit and getting at the cleanouts for yearly descaling is going to be tough. I'd skip this model and look for a different from Rinnai.
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Reviewed in the United States on March 18, 2020 by Brian K. Geiger
Great Grips
Style: Natural Gas
Size: 5.3 GPM
Very easy install. Saved my old clubs
Reviewed in the United States on January 26, 2026 by kevin falkos
How lucky are you? Rinnai ducks warranty.
Style: Natural Gas
Size: 5.3 GPM
My unit did not work upon installation by a certified plumber. If you do not use a certified plumber for installation Rinnai will not even talk to you. You are on your own. It was coding a #19 which was said to be an unusual code. The plumber called Rinnai for assistance did some things got it working. The extra fussing cost $128 labor that I had to pay. 8 days later the unit stopped working. Called the same plumber. The service call and diagnostics was another $193 only to find out the unit is totally defective. Rinnai did send a replacement at no charge but I had to pay the installation charge at $384. Rinnai likes to have what is called a kit put on at installation. It is used to flush the heater as maintenance. This requires a pump vinegar bucket and hoses. You would need to purchase these things or have a plumber do it at a cost. This should be done at least 1 time each year. So the install price including the Kit and all other necessities was $656. Plus the extra labor charges for a grand total of $977. This does not include the price of the heater. This is my experience in Texas near Dallas. Nearly 2 thousand dollars for a water heater so far and the clock is still ticking.
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Reviewed in the United States on June 7, 2024 by Leroy Perdue
good Value
Style: Natural Gas
Size: 5.3 GPM
This was an easy install with the exception of the previous water heater piping was offset from the actual heater. In other words the Rinnai V53DeN would have been even easier to install if the previous heater had been standardized. So far it has worked quite well and for the price is excellent. A good friend of mine just purchased a larger model based upon my high regard for the one I have. So far, he is also quite happy with the results
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Reviewed in the United States on February 1, 2021 by Handson77
Easy fix
Style: Natural Gas
Size: 5.3 GPM
First of all, I am not a professional plumber. But it was not a problem to connect hot water line, cold water line and a gas line to this heater after hanging it on the wall. Took me only an hour or so. I love how it only heats water when I need hot water and is off at all other times. Time will tell how efficient it is vs keeping a tank of water hot at all times.
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Reviewed in the United States on July 28, 2020 by Rey