Are you looking for one of the industry’s best gas water heaters? Are you cost-conscious and have more interest in eco-friendly gadgets? Then you can look into the details of the Rheem RTG-64XLN Tankless Natural Gas Water heater. This tankless gas-fired water heater is famous for its state-of-the-art technology of copper heat exchanger and 84% energy efficiency. It comes with multiple remote controls and serves three bathrooms and a kitchen faucet at a time. Another thing that you may take into special consideration there is only one negative review about the unit, and the product rating gives it 4.5 out of 5 among 49 total reviews on Amazon.
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Features of Rheem RTG-64XLN
Meet the high standard of eco-friendly appliance
Rheem RTG-64XLN is phrased as extremely environment friendly and one of the best tankless water heaters. It conforms to the high standard of Ultra Low NOx burner and meets SCAQMD rule 1146.2 requirements. Our language meets the standard set for the reduction of nitrogen oxides from gas-fired fan-type residential furnaces. These gas-fired furnaces are typically used for comfort heating in-home or as a sales outlet for commercial and residential use. Meeting this standard ensures your gas-fired tankless water heater emits very nominal nitrogen oxides, thus gaining the credit of an environmentally friendly appliance.
Has a better technology to heat water
It uses a copper heat exchanger, unlike many heaters that use stain-less heat exchangers. Stainless heat exchangers are also excellent and efficient, but a copper heat exchanger gives 40 times faster heat transfer. Rheem provides an 82% efficient copper heat exchanger with the model Rheem RTG-64XLN, which is happening for the first time in this industry. So you are going to experience an improved performance for sure.
Remote control and additional remote control
We are undoubtedly active in our work and chores, but that does not mean we do not appreciate a little luxury of not moving to the heater in the middle of washing clothes or having a bath to control the temperature. Yes, we all enjoy that little comfort, those extra savings of energy. Rheem has captured the demand and introduced remote control for these purposes. Also, additional bath remote controls are available for other family members at a distance from the heater to control the heat. How cool is that!
Best tankless gas water heater reviews gauge over Rheem RTG-64XLN for their innovative technology. The heater has a built-in self-diagnostic program; it displays maintenance codes whenever something goes wrong. When an error is detected in the thankless unit, an error code is displayed on the digital controller. You will get a manual explaining these codes with the heater to check it for quick reference and troubleshooting issues and solve it yourself.
With 14 x 10 x 26 inches dimension, it is very compact and space-saving. So you no longer need to worry about where to hang it or hide it. This will eat up 1/5th of the space of a traditional heater making more room for other purposes.
Endless hot water
This unit is capable of supporting three faucets at a time. It generally happens very rarely at home that three people take a bath and simultaneously uses the dishwasher. Even if such an incident occurs, Rheem RTG-64XLN 6.4 GPM Tankless Natural Gas Water heater can support it with 6.4-gallon water per minute.
- It has a 0.26 GPM minimum flow rate, 0.40 GPM minimum activation flow rate.
- It is capable of High-altitude – up to 9,840 ft. elevation above sea level.
- Eco-friendly -Consumes very little gas.
- Warranty is five years on the parts and labor charges, 12 years limited warranty on the heat exchanger.
- It has an Overheat film wrap (OFW) to protect the heat exchanger.
- Has automatic shut-off option to prevent accidents.
Drawbacks With Solution
Coldwater when vent goes wrong
It is designed for outdoor wall mounting because it needs a lot of venting power. If anything goes wrong very soon, you will be left with cold water.
When installing it outside by you or by a plumber, be sure to remove any barricade that may be distracting the exhausting process. It is OK to make a necessary shelter for the unit to protect the vent pipes from freezing, but you also need to make sure there is enough space for exhausting air to go away and keep the heater functioning.
It does not provide hot water instantly.
This tankless gas-fired water heater is suitable for all purposes, residential or commercial; however, a few gallons are wasted on opening the faucet as it does not provide hot water instantly.
About the instant heating thing, all tankless water heater has flow sensing meter that ignites the burner and heats the water only after sensing a minimum flow. For Rheem RTG-64XLN 6.4 GPM Tankless Natural Gas Water heater, the minimum activation flow rate is 0.40 GPM. It is shallow, and in most cases, your flow is much higher than it.
Frequently Asked Questions
Is this tankless unit not suitable for indoor installation?
It is a Medium-Efficiency Tankless Outdoor Water Heater mentioned in the style of Amazon guide. You can hang it at your garage with a duct system to let the fume go away or any outdoor place nearer to indoor faucets. It is not an indoor type.
What is the minimum flow rate for this unit?
The unit has a minimum GPM of 0.26, so even when all of the capacity is being used up for multiple purposes, you will receive hot water at a rate of 0.26 GPM.
What electrical configuration is needed for installation?
This gas-fired tankless heater needs 120V AC, plug, or Hard-Wired; however, the 120-volt pin is not included with the model.
People used to say, “You use it, you know it,” but in today’s digital world, we put more faith in reviews before making the final call. As per reviews of Amazon, only 1 out of 49 users had something ill to talk about it. When looking for an outdoor natural gas-based water heater that is very easy to install and comes with excellent warranty conditions, I recommend the Rheem RTG-64XLN Tankless Natural Gas Water heater to anyone with three bathrooms a dishwasher/washing machine.