Rheem EcoSense

Model # ECO200DVLN3

Internet # 203163870

Store SKU # 181873

9.5 GPM 199,900 BTU Ultra Low NOx Natural Gas Mid Efficiency Indoor Tankless Gas Water Heater

This item has been discontinued.
The Home Depot no longer carries this specific product.

$1,129.89 /each
  • No standing pilot means less wasted energy
  • Compact space saving design frees up valuable square footage
  • Commercial conversion kits available for commercial applications


Model # ECO200DVLN3

Internet # 203163870

Store SKU # 181873

Store SO SKU # 1000067337

The Rheem EcoSense ECO200DVLN3 Indoor 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 and also qualifies for the Energy Star program. It comes with a remote digital thermostat that can be installed in almost any convenient area of the house. This heater's direct-vent design requires category III stainless steel venting (purchased separately). This model can be used at elevations up to 9,840 ft. above sea level. Please click the "More Info" tab and then "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.

  • Model requires 3 in./5 in. UL approved category III coaxial stainless steel venting (sold separately); please click the "More Info" tab to view the use and care manual for installation requirements
  • 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
  • Ability to link two like units together for high demand applications with the EZ-link cable (sold separately)

Info & Guides

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Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Vent diameter (in.) 
Water Connection Size (in.) 
Automatic Shut-off 
Finish Family 
Flow Rate @ 35 F Rise (gallons/min) 
9.5 gal (US)/min 
Flow Rate @ 45 F Rise (gallons/min) 
7.4 gal (US)/min 
Fuel Type 
Gas Connection Size 
Gas Product Type 
Commercial & Residential 
Gas Type 
Natural Gas 
Gas Type 
Natural Gas 
Maximum Temperature (F) 
Minimum Activation Rate (gpm) 
Minimum Temperature (F) 
Pilot Light 
Product Weight (lb.) 
54 lb 
Residential/Commercial/industrial Use 
Residential or commercial 
Total BTU 
199900 Btu 
Vent Type 
Single Wall 
Water Connection Location 
Water Heater Features 
Ultra LoNox 
Warranty / Certifications
Certifications and Listings 
1-UL Listed,CSA Listed 
ENERGY STAR Certified 
Labor Warranty 
1 Year 
Part Warranty 
5 Year 


Rated 3.0 out of 5 by 9 reviewers.
Rated 1.0 out of 5.0 by Installation and Maintenance Nightmare Purchased this unit in December 2012. Half of the parts needed to install are not sold at Home Depot. Had to order $ 500 worth of special vent piping from WW Granger. Unit worked fine until February 2014. Unit began flashing error 11 half of the time we turn it on. The plumber has now been out three times and neither Rheem nor the plumber can figure out why. $ 700 in plumbing bills we still have a water heater that works only half the time. Rheem says it is the gas pressure, the gas company has been out three times and says the gas pressure is fine. I would not recommend this unit. April 5, 2014
Rated 5.0 out of 5.0 by Easy and energy efficient! I am very satisfied with my purchase, and it works great. We turned all 3 showers on at the same time as hot as it would go and the sink and had no problems what so ever. Water stays hot with 6 showers in the morning! Would highly recommend this product. July 30, 2013
Rated 3.0 out of 5.0 by Tankless is not for everybody. Let me say first off that most plumbers cannot service or install tankless water heaters and are very expensive to do so. The stainless flu is a pain to work with and nobody has parts in stock, they have to be ordered two weeks ahead. There is an online class to learn how. I highly recommend you use the direct flu kit that go outside through the wall if possible. Other wise it does get very expensive. Better yet, use the outdoor mounting type with no flu involved. They will really save on your gas bill especially if you use it as a vacation house by not heating a tank of water 24/7. This is a replacement we bought for a Polermo model that lasted 7 years and had to have it's circuit board replaced twice, once under warranty. The second time is why we replaced the unit. If you want to stay cheap and simple just get the regular type of hot water heater. These do require a maintenance once a year. To be fair you should drain a traditional water heater as well. Good luck, General Contractor and licensed Electrician with near 40 years in the trades. May 17, 2014
Rated 3.0 out of 5.0 by Very happy so far. Bought this Rheem water heater to replace a Noritz that went bad after about 10 years. Installed it myself,which was not difficult as it replaced a similar sized unit. I did have to buy a new vent pipe which is expensive, but it has to be vented correctly. So far it's worked great and supplies plenty of hot water for our 3 bathroom house. My only gripe is since I installed it, I don't qualify for the $375 energy credit. The contractor wanted $1,200 to install so I still saved money. November 4, 2014
Rated 1.0 out of 5.0 by Trouble free for two years. This tank less hot water heater is a maintenance nightmare. About every two years, with normal usage, the burner assembly gets dirty and the gas flow will become restricted. This is a design flaw with many tank less water heaters. The automatic safety features will shut down this unit. It will not operate unless someone cleans the burner assembly. The work involved is very demanding and expensive! September 10, 2013
Rated 4.0 out of 5.0 by So far so good This water heater was fairly easy to install. Probably even easier with plumbing background. March 10, 2015
Rated 5.0 out of 5.0 by Best purchase I've been wanting a tankless hot water heater for many years. I finally chose the Rheem because of positive reviews online. It is fairly easy to install according to my installer. It works as advertised. We love having hot water on demand and no fear of a hot water heater rupturing and flooding the house. September 23, 2014
Rated 4.0 out of 5.0 by Frustrated at first, now happier Our older house didn't have the set up for the indoor tankless water heater (which I found out thru my plumber). So we exchanged it for the exterior. Exterior is cheaper & needs no vent...so that saved us $$. Disappointed it only heats to 120* but for most activities that's hot enough. If I could do it over I'd install a big filter on the pipes leading to the water heater to avoid my many cold showers I suffered while trying to figure out what was wrong. Finally figured out (after returning 2) that if the filter gets clogged the burners will not turn on at all. (the display flashes a P1 code & water will never heat). Now, I'm pretty happy with it. Easy to clean the filter & flush the machine. Nice that it has a hot water faucet if you need it to de-ice the car windshield. Love the new indoor space I have w/out that big old water heater. But there is an adjustment/learning to use your new product period. Rarely we still run out of really hot water in the middle of the shower, normally turning the water off for a minute or 2 & then back on restarts the heater & you have hot water again. June 24, 2014
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