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8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
  • Rheem EcoSense
  • Model ECO180XLP3-1
  • Internet #206934781
  • Store SO SKU #

8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater

$847.68 /each
Discontinued Model:

Model # ECO180XLP3

Internet #203251988

Store SO SKU #1000067446

Rheem EcoSense 8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
0020352607757

Discontinued Rheem EcoSense

8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater

  • Provides hot water only when it's needed
  • Produces hot water for two to three bathrooms at the same time

Frequently Bought Together

Product Overview

The Rheem EcoSense ECO180XLP3 Outdoor Liquid Propane Gas Tankless Water Heater can provide up to 8.4 GPM at a 35° temperature rise. The 180,000 BTU Liquid Propane Gas Tankless Water Heater is designed to supply continuous hot water for up to 2 or 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 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 8.4 GPM tankless water heater at a 35° temperature rise can provide enough hot water to supply a 2-3 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
  • Hot start programming helps to minimize fluctuation in water temperature during periods of frequent on/off operation
  • 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
  • Great for homes with 2 to 3 bathrooms
  • 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 Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater 9.5 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater 9.5 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Water Heater 8.4 GPM Liquid Propane Gas High Efficiency Outdoor Tankless Gas Water Heater
Brand Rheem EcoSense Rheem EcoSense Rheem EcoSense Rheem EcoSense
Ratings (4) (0) (5) (1)
Flow Rate @ 45 F Rise (gallons/min) 6.7 7.4 7.4 6.6
Gas Type Liquid Propane Liquid Propane Liquid Propane Liquid Propane
Indoor/Outdoor Outdoor Outdoor Outdoor Outdoor
Eco Options Yes Yes Yes
Total BTU 180000 Btu 199900 Btu 199900 Btu 157000 Btu
ENERGY STAR Certified No No No Yes
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Customer Questions & Answers

4 Questions7 Answers

Customer Questions & Answers

8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater

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3 answers

can I install this unit indoors

This question is from 8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Asked by
Northen tip of Michigan
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January 5, 2016
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Answers (3)

Asked by
St. Louis Area
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Home Improvement Profile: Professional
May 17, 2016
Answer: 
NO. The exhaust has no duct on this outside unit.
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Asked by
Oregon
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Home Improvement Profile: DIYer
January 31, 2016
Answer: 
So.... I wouldn't listen to the other answer.
NO YOU CANNOT install this indoors. First clue was the title: "...OUTDOOR TANKLESS GAS WATER HEATER"
Outdoor water heaters vent out the front, and don't require ducting for incoming or outgoing venting. INDOOR water heaters have incoming and outgoing vents or a single ducting hookup which has built-in incoming and outgoing venting.
Hope you didn't order Read More
So.... I wouldn't listen to the other answer.
NO YOU CANNOT install this indoors. First clue was the title: "...OUTDOOR TANKLESS GAS WATER HEATER"
Outdoor water heaters vent out the front, and don't require ducting for incoming or outgoing venting. INDOOR water heaters have incoming and outgoing vents or a single ducting hookup which has built-in incoming and outgoing venting.
Hope you didn't order this based on that bogus answer. Read Less
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January 25, 2016
Answer: 
Yes, this can be installed indoors.
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2 answers

What is the maintenance on this item?

This question is from 8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Asked by
fort myers, fl
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September 23, 2016
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Answers (2)

Asked by
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September 26, 2016
Answer: 
See the attached link below for the "Use and Care" manual for this model and page 28 describes recommended maintenance. If you have questions beyond that please contact our technical support team at 800-431-1549 – 7 to 7 central time, 7 days a week, this includes weekends and holidays. http://www.homedepot.com/catalog/pdfImages/9f/9fddc9cb-8ce2-42ef-af79-92f282f25a2f.pdf
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September 23, 2016
Answer: 
Please see page 28 of the Use and Care Manual for all maintenance requirements, including inspections. The manual is available in PDF format on the product page on the right-hand side.
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1 answer

WE are buying two tankless water heater on Homedepot.com and says to link them with the EZ-cable but cannot find it anywhere on their site?

This question is from 8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Asked by
Temecula, CA
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August 7, 2016
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Answer (1)

Asked by
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August 8, 2016
Answer: 
I apologize for this information not being on the website. You can purchase this part from Rheem at 800-621-5622 and that part number is RTG20040.
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1 answer

How much does it cost to have this unit installed at my residence?

This question is from 8.4 GPM Liquid Propane Gas Mid Efficiency Outdoor Tankless Gas Water Heater
Asked by
Honolulu, HI
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July 18, 2016
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Answer (1)

Asked by
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August 2, 2016
Answer: 
Costs for installing water heaters varies across the country. I would contact your local Home Depot store for a quote.
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  • 2016-10-31 T00:25:27.518-05:00
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Customer Reviews

Rated 3.5 out of 5 by 4 reviewers.
Rated 4.0 out of 5.0 by Quality product Good product on sale at time of purchase. Thought I was saving money until the installation expense was three times the cost of the heater. The unit has performed flawlessly. I will never use HD's contract installer again. September 6, 2016
Rated 4.0 out of 5.0 by Great product Package came damaged in several places. Looked like a fork lift hit it, went right through the box and dented the back of the unit in two places. Did not appear to damage any vital components. Installed unit as per instructions and it works as advertised. It is awesome to never run out of hot water during a shower after several people have them in a row. June 28, 2016
Rated 5.0 out of 5.0 by Performs as well as expected Did not install easily, as a replacement for a different model, worn out tankless water heater. May 17, 2016
Rated 1.0 out of 5.0 by Product is a Maintenance Nightmare Two years ago we bought a Rheem ECO-180DV tankless water heater at Home Depot. It was installed by a local plumber in our vacation house in the mountains of Northern New Mexico. In July of this year (2013) our water heater started locking the water heater out after two and one half minutes. After much thought, I believe the lock-out problem was triggered by volatile fumes from staining a porch being pulled into the water heater from the air intake just below the porch. Upon opening the system to trouble shoot the problem, I discovered the system had never been set for the altitude of our house, i.e., 9,000 feet. At that point I made a series of telephone calls to find a qualified tankless water heater technician. After reviewing the situation upon his arrival, the technician called a Rheem call center number available only to tradespeople. He was given the information on how to unlock the system along with the recommendation he disassemble and clean the water heater parts. (Having only six months of actual operation, the system was relatively clean.) Upon completing the above and having no luck in setting the system up to operate at 9,000 feet, he again called the Rheem call center. When he explained what he had done to set the system up for operating at 9,000 feet, the lady (the phone was on speaker) asked him to stay on the line while she went to talk to someone else. When she came back on the phone she said nothing could be done to adjust, as per the Rheem use and care manual, the system to operate at 9,000 feet. So after spending $500 plus dollars for a service call, nearly half of which was for travel, what conclusions did I reach? First, Rheem policy of not providing customers with a service manual is reprehensible. Second, Rheem’s claim that their system can be adjusted for high altitude is false. Third, Rheem’s tankless water heaters have a poor reputation with experienced repair technicians. The technician that serviced our water heater said he would never buy a Rheems because it has too many problems. Knowing what I now know, I would never have bought a Rheems tankless water heater. August 8, 2013
  • 2016-10-30 T22:47:56.319-05:00
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