Hot water on demand is probably the second most important thing for home after an air heater. That is why the type and varieties of water heaters are plenty on the market. Rheem RTG-84XLN Tankless Natural Gas Water Heater is one such type that gives you 8.4 GPM at a 35-Degree Rise. It consumes 180,000 BTU, so check your pipe sizes before buying it, or you can switch to new pipes. It can serve the hot water need of a home with 3-5 bath rooms, where occasionally 2 bath rooms are used simultaneously, if you live in a colder place. If your residing climate is as soothing as North Carolina you can use 3 bathrooms at a time with normal water flow.
Features of Rheem RTG-84XLN
Rheem RTG-84XLN is quite an energy-efficient 82% that is in figures. Want to know more? Here are the details-
If you are that person who wants all luxury but also is very concerned about wastage, then you would be glad to know Rheem understands the value of saving and preserving. Rheem RTG-84XLN has this exclusive! The water savings setting saves up to 1,100 gallons of water per year. How does it do so? It decreases the flow of water through the pipes and waits for the temperature to reach the heater’s set temperature.
Compatible to Low flow fixture
Did you ever face the problem of your water heater not starting at all or taking a lot of time to start because your flow rate is lower than most places and borderline with a tankless gas heater’s activation rate? Well, that is not going to happen with this model of Rheem. It has a minimum flow rate of o.26 Gallon per Minute and a minimum activation flow rate of 0.40 Gallon per Minute. Even if you live in a very low water condition, you won’t be deprived of a hot water supply.
Hot water at first touch
Experts' opinion is that Re-circulation Pump Kit or other accessories to have a full performance from a tankless water heater. That is to have hot water from your first moment of opening a faucet. It does not happen with the usual tankless water heater as the burner starts to heat only after sensing the flow, and it takes time with activation rate and all that, and available re-circulation pump kits do not always pair up with the heaters seamlessly. However, with Rheem RTG-84XLN Tankless Natural Gas Water Heater, you can easily pair it up with their Re-circulation Pump Kit and never worry about hot water delay.
No more “cold water sandwich.”
It is Time to say goodbye to the cold water sandwich problem from the frequent on-off operation. Rheem RTG-84XLN Water Heater has smart programming that helps to minimize the fluctuation in water temperature. So you will enjoy a long bath with same temperature of hot water and flow rate will be adjusted evenly to ensure no fluctuation.
Works at high altitude capability
If you are afraid to switch to a tankless water heater because of your high altitude, worry no more. This tankless gas water heater model can smoothly function at as high an altitude as 8,400 ft. elevation above sea level.
- It ensures safety from overheating by Guardian OFW™ overheat film wrap
- The product comes with a cable for higher-demand applications. It connects two tanks with fewer units to work as one
- It is Environmentally friendly with ultra-low NOx compliance
- Rheem RTG-84XLN 8.4 comes with UMC-117 remote control
- With 14 x 10 x 26 inches, it is five times space saver than the tank water heater
- Slim and good looking
- Digital regulator to control heat
Cons with solution
Hard to maintain
This tankless unit can not last long as they get stored with minerals inside.
That is true for all outdoor tankless water heaters. You need regular maintenance for longevity is Rheem RTG20220 Tankless Water Heater Service Valve Kit with Pressure Relief Valve, or you can look for the same type of valve from another company. These shutoff valves will help you to comply with the code too. They let you isolate the unit from the system quickly in case of a servicing /maintenance/repair issue.
If you are planning to put it outdoors (you have to it is an outdoor model), you may have problems protecting it from hard weather conditions. If you are in Canada or North America, you may think twice as its pipe can get frozen at times and break eventually.
Yes, it can so can any other outdoor heater. If you install them outdoor, they are prone to freezing, bumping by other objects, etc. This model is less susceptible to cold weather as it has Freeze protection to 30°F.
Also, you can find a cover in the market to protect it from other objects. You will discover Rheem grey pipe covers for the covering purpose that will protect the heater pipes.
Frequently Ask Questions
What warranty does it offer?
- Warranty for Parts - 5 Years
- Labor charges of repair for 1 Year
- Heat Exchange warranty for 12 Years
Why cannot I use it indoors?
Rheem has indoor units too. This unit is to be installed outside is probably the proper ventilation of carbon monoxide.
How easy/hard is the installation?
Users say it is moderately easy if you have researched a lot and have seen the videos.
Which tankless water heater to buy is not an easy decision? It needs you to consider many things other than your number of bathrooms and water flow. You may also need to analyze your ground water temperature, conditions, and altitude. However, Rheem RTG-84XLN is susceptible to hard weather and hard water conditions with a capacity to meet a reasonable demand. So it is not a risk to choose this 4.4 star ranked product for a long time endless hot water supply.