Model # ECO200XLN3

Internet #203163882

Store SKU #1000013339

Store SO SKU #1000067376

Rheem EcoSense 9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater
0020352606514

Rheem EcoSense

9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater

  • Consumer reviewed to deliver hot water in 8 seconds
  • No drop in temperature or pressure from multiple source use
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.

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Product Overview

The Rheem EcoSense ECO200XLN3 Outdoor Natural Gas Tankless Water Heater can provide up to 9.5 GPM at a 35° temperature rise. The 199,900 BTU Natural Gas Tankless Water Heater is designed to supply continuous hot water for up to 3 bathrooms at the same time. It heats water only when it's needed and has a 0.82 energy factor. This compact heater exceeds the requirements for many utility rebate programs. It comes with a remote digital thermostat that can be installed in almost any convenient area of the house. This heater's outdoor design requires no additional venting and features freeze protection to -30°F. This model can be used at elevations up to 9,840 ft. above sea level. Please click the specifications to view the Rheem Brochure Guide which will help you in your buying decision to ensure that you purchase the right tankless water heater model for your household needs.

  • Outdoor tankless gas water heaters require no additional venting
  • A 9.5 GPM tankless water heater at a 35° temperature rise can provide enough hot water to supply a 3 bathroom home
  • Tankless gas water heaters heat water on demand, saving energy compared to many standard gas tank-type water heaters
  • 12-year limited warranty on heat exchanger and 5-year limited warranty on parts
  • 0.82 energy factor meets or exceeds minimum energy efficiency standards
  • Remote digital display shows precise temperature setting and maintenance codes
  • Environmentally friendly ultra-low NOx burner meets SCAQMD rule 1146.2 requirements
  • Ability to link 2 like units together for high demand applications with the EZ-link cable (sold separately)
  • Commercial conversion kits available for commercial applications
  • Hot start programming helps to minimize fluctuation in water temperature during periods of frequent on/off operation
  • Commercial conversion kits available for commercial applications
  • Click here to check out our buying guide on water heaters
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 8.4 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater 9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater 9.5 GPM Natural Gas High Efficiency Outdoor Tankless Gas Water Heater 9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Brand Rheem EcoSense Rheem EcoSense Rheem EcoSense Rheem EcoSense
Ratings (2) (1) (2) (14)
Flow Rate @ 45 F Rise (gallons/min) 6.7 7.4 8.4 7.4
Gas Type Natural Gas Natural Gas Natural Gas Natural Gas
Indoor/Outdoor Outdoor Outdoor Outdoor Outdoor
Total BTU 180000 Btu 199900 Btu 199900 Btu 199900 Btu
ENERGY STAR Certified No No Yes No
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Customer Questions & Answers

9 Questions12 Answers

Customer Questions & Answers

9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater
9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater

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2 answers

What size of gas line is needed for this tankless system

This question is from 9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Asked by
Austin Texas
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May 21, 2016
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August 10, 2016
Answer: 
3/4"
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August 8, 2016
Answer: 
You will need ¾" gas line for the Rheem tankless heaters.
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2 answers

Does the water get hot enough?

This question is from 9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Asked by
SC
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October 27, 2015
What does it mean by a 35 degree temperature rise? Does that mean the water only heats up to 35 degrees over the temperature of the ground water?
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August 10, 2016
Answer: 
Yes plenty hot
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Asked by
Redondo Beach, CA
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December 6, 2015
Answer: 
Yes, You answered your own question. But the 35 degree spec is at the maximum flow rate. If you have a reasonably low-flow shower head the water will be much hotter.
And that 35 is not over "ground" as there are smart tricks you can do to warm up the incoming water, like a solar collector on the roof.
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2 answers

Does it have an anti-scald valve for the whole house?

This question is from 9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater
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October 8, 2015
Or does it have the capability to hook up to an anti-scald valve? Or a pressure balancing valve?
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January 13, 2016
Answer: 
This heater is not equipped with an anti-scald valve.
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Asked by
West Columbia, TX
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Home Improvement Profile: DIYer
October 11, 2015
Answer: 
Honeywell and others sell a whole house anti-scald valve for tank type water heaters. The valve allows the tank to run at a scalding 140 degrees F to maintain antibacterial tank temperature. It mixes the exiting hot water with cold water as it leaves the water heater and enters the house's hot water system. A water heater that runs at a scalding 140 degrees delivers hot water at, say a safer 125 Read More
Honeywell and others sell a whole house anti-scald valve for tank type water heaters. The valve allows the tank to run at a scalding 140 degrees F to maintain antibacterial tank temperature. It mixes the exiting hot water with cold water as it leaves the water heater and enters the house's hot water system. A water heater that runs at a scalding 140 degrees delivers hot water at, say a safer 125 degrees.
A tank-less water has a no storage tank and is washed clean as it is used. Bacteria build up is less likely as long as the heater is used on a regular basis. Also, the tank is cool when it is not in use and does not promote bacterial grow like a tank full of warm, 125 degree water. The tank-less heater can be set at at any temperature between about 100 and 140 degrees. Setting the desired temperature for hot water on the tank-less heater at a safe temperature does the same as setting a whole house anti-scald valve to produce produce water at a safe temperature. Tank-less is also more efficient, since the water is not heated and then cooled. Read Less
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1 answer

Can I install in the garage

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May 12, 2016
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May 13, 2016
Answer: 
This can be installed in the garage.
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Customer Reviews

9.5 GPM Natural Gas Mid Efficiency Outdoor Tankless Gas Water Heater is rated 4.3 out of 5 by 14.
Rated 5 out of 5 by from works great Installed myself and works great. Does not come with a power cord. Rheem customer service was wrong about the power cord question I had. Two customer service techs told me the wrong information. I get hot water to bath in about 6 sec and sink about 7 sec.
Date published: 2016-08-11
Rated 5 out of 5 by from SUPERB TANKLESS WATER HEATER I have had the 199,900 BTU Tankless Water Heater for almost a year now and it was a great choice. It is located outside, so I did not have to worry about exhaust. I have had 3 showers going in the household with no problems. I would recommend this unit to anyone!!
Date published: 2013-02-27
Rated 5 out of 5 by from Better than I expected I have been completely satisfied with this water heater. My previous experience with tankless left me wanting more, but this one doesn't. Hot water is delivered fast and consistent and I no longer have to worry about my children using all of my hot water.
Date published: 2013-03-12
Rated 5 out of 5 by from Outstanding Unit! UPS delievered my new tankless water heater at 2:37 this afternoon and we had it installed and running perfectly by 6:25. And that included removal of my old Bosch unit and a trip to my local hardware store to pick up a few fittings. The unit delivers hot water in 8 seconds, and I have run it continuously now for 15 minutes in 2 showers and the kitchen sink with no drop in temperature or pressure. Being thoroughly familiar with tankless heaters - 6 years - I can overwhemingly endorse this product!
Date published: 2013-04-16
Rated 5 out of 5 by from Rheem 9.5 gpm Had a 40 gallon water heater on the second floor of my two storie home. Installed this on the first floor outside, so there was a lot of work just to run the gas, power, and water. The unit howerver was very easy to install. I have read other post on here about people not being able to buy the "Rheem tankless water heater valve kit" and having to order it. Homedepot does carry in the store the "Watts tankless water heater valve kit" watts is a very old and very well known plumping part company this kit is a must have to install this unit. Also the beat way to mount this is with Uni strut. And I have to give a shout out to Dasiy who works the plumbing dept. at Homedepot Burbank this lady knows her stuff and was a huge help.
Date published: 2014-11-19
Rated 5 out of 5 by from I wish I had it installed sooner Easy installation and temperature control. Plenty of hot water when needed.
Date published: 2013-06-03
Rated 5 out of 5 by from 9.5 gph works great Works great keeps 2showers and 3 sinks in hot water. Started to loose pressure after that nothing to do with the heater though. It does take a couple seconds longer to get hot water to the far side of the house. simple and space saving never ending hot water.
Date published: 2013-12-26
Rated 5 out of 5 by from High Quality Workmanship and Operation Purchased Rheem ECO200XN3 efficient tankless hot water heater. Unit has extremely high quality workmanship. Quick shipping from Home Depot kept my construction schedule on time. Installation was relativity easy but requires strict adherence to local codes. The remote controller feature is a nice touch. Start up was easy. This unit will pay for itself in less than two years.
Date published: 2014-06-05
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