Rheem RTG-64DVLN

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Tankless water heaters are, without doubt, the better versions than conventional models. According to their consumers, they had their issues in the past, but they are still a million times better than old models. They didn’t have to deal with stored water or high electricity bills which challenge their entire budget. Luckily, today we have the latest models like Rheem RTG-64DVLN Prestige Low NOx Indoor Direct Vent Condensing Tankless Natural Gas Water Heater. It resolved the past issues quite well and allowed us to relish hot water with a maximum flow rate of gallons per minute (GPM). For that reason, experts believe that it should be an award-winning product. Since no company resolves the small issues well like Rheem.

Rheem RTG-64DVLN is undoubtedly one of the best water heater products in the market. It is gleaning appreciations and top ratings from almost all the heater industries. Even its consumers believe that it is a top-notch product that transcends your hopes. It hands you the best results for years without comprising on the quality. Once you start utilizing it, you don’t have to think about water heating problems. You stay free from all the issues as well.

Through numerous tests and evidence, it has been proved that this Rheem natural gas tankless water heater lasts longer than conventional tank water heaters. It provides hot water whenever you want and for as long as you want. There aren’t any kinds of limitations on your use, and there aren’t any worries regarding waiting for the next flow either.

If you are pondering regarding what is the difference between electric model and natural gas heater models like Rheem RTG-64DVLN, well there isn’t a lot of difference in reality. Both are perfect in their own specific ways, features, and specifications. However, there is one tiny difference that hands natural gas water heaters an edge over electrical models. For example, compared to electric models, gas-powered units have better cold weather performance. We agree there is some average fuel cost involved in it, but it is average, and indeed a lot less than expectations. In reality, in severe stormy weather conditions, gas-powered units don’t just work with efficacy, but also act more reliable over the long term.

Most sellers don’t highlight this feature of gas-powered heaters. Since, usually, their focus is on selling those models which compliment the advanced mentality and future technology. And, electric models are the best definitions for that. The consumer traps in the words without realizing that the gas-powered units are as efficient as electric tankless heaters.

Apart from this, the price of Rheem RTG 640DVLN Prestige Low NOx Indoor Direct Vent Condensing Tankless Natural Gas Water Heater is unbeatable. Finding a model like this in more economical price is hard. You don’t have to be a royal person to afford all its features. In fact, it offers more features than those models which are heavy on the pockets and don’t have a longer lifespan. Plus, it doesn’t let you deal with maintenance too again and again.

What about installation?

We knew this question is going to puzzle a lot of people. Since most people want to have a simple system which they can install on their own without technical knowledge. They don’t wish to have a complex system that baffles them or push them into some kind of anxiety.

The manufacturers of Rheem improved the design of gas water heaters. They knew in order to glean the attention of a consumer, and in order to challenge the electric models, they have to produce something which can capture the eyes and hearts of a consumer. And, luckily, they were successful in turning their dreams into a reality. Today, the design of RTG 64DVLN is quite popular in the tankless water heater market and attracts every customer.

But, it doesn’t mean that the advanced design turns into a complex system. It is immensely easy to install. If you don’t have a tad technical knowledge, but wish to install this model on your own, follow the instructions. Instructions are quite helpful and allow you to install it rather comfortably. Though, bear in mind that the location of every tankless water heater matters a lot. Therefore, it is always great to hire a professional who can install it on a correct place and help you to understand the features of it, so that you can maintain it on your own next time. Besides, he can expertly test the newly bought piece too.

Product Features:

  • The dimensions of Rheem RTG 64DVLN is 14 X 10 X 26 inches.
  • It weighs around 54 pounds – quite light compared to other gas water heaters.
  • This model doesn’t require any kind of batteries.
  • Provides continuous supply of hot water; you never run out of hot water again.
  • It is energy efficient and space saving design unit.
  • Produces 6.8 gallons per minute at 35A- degree F rise max.
  • Rheem RTG 64DVLN has new next generation burner technology.
  • UMC 117 remote control and 10 ft. Thermostat wire is included in the package.
  • It offers industry best .26 GPM minimum flow rate.
  • If there is high demand, there is a link cable that connects to unite to operate as one.
  • New. 3-inch/5-inch concentric vent system with integrated condensate collector.
  • The only con is it is not eligible for international shipping.

Concluding Thoughts

Rheem RTG 640DVLN Prestige Low NOx Indoor Direct Venting Condensing Tankless Natural Gas Water Heater is the best for the price. It can operate quite efficiently in the larger households too. Now, of course, you can’t expect it to thrive if you are planning to push the limits and use it for industrial purposes. On the whole, it will hand you the best experience. Once you get it, you are free for years. Experts believe that it should be in the top ten lists of tankless natural gas water heaters. And, the consumers agree with that too. We have seen them flooding this model with five-star ratings on the Amazon with positive reviews.

Tech specs


Pros & Cons


  • Ideally suited to small homes with a production rate of 6.4 gallons per minute
  • Low NOx
  • Energy Star certified: if you’re looking to save money on your bills, investing in this tankless water heater could prove beneficial
  • Comes with a remote control and thermostat wire
  • Space-saving design
  • Next generation burner technology
  • Excellent value for money


  • Not suitable for larger homes or households that utilise a lot of water on a continual basis: if you have more than three bathrooms, for example, a more powerful unit that produces up to 8 or 9 gallons per minute may be preferable

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