Rheem EcoSense RETE-9 - 9KW Point of Use Electric Tankless Water Heater-RETE 9 - The Home Depot
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Discontinued

Rheem EcoSense

Model # RETE 9

Internet # 202514581

Store SKU # 452604

RETE-9 - 9KW Point of Use Electric Tankless Water Heater

Rheem EcoSense RETE-9 - 9KW Point of Use Electric Tankless Water Heater
 

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

$175.00 / each
  • Uses energy only when hot water is needed
  • Compact design allows simple installation almost anywhere
  • On unit control allows for easy temperature adjustment
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PRODUCT OVERVIEW

Model # RETE 9

Internet # 202514581

Store SKU # 452604

Store SO SKU # 1000114404

The Rheem EcoSense RETE-9 Tankless Electric Water heater features a rugged brass and copper heat exchanger that is designed to withstand tough water conditions for long life. Its lightweight and compact design saves space and enables simple installation in a variety of locations. It is designed to provide hot water for 1 standard low-flow lavatory sink. Please click the "More Info" Tab and the "Specifications" to view the Rheem Brochure Guide to assist you in your purchasing decision.

  • Provides a maximum of 2.2 GPM continuous flow at a 35 degree Fahrenheit temperature rise
  • Designed to provide continuous hot water at a single point-of-use faucet
  • Flow rate provided by a tankless electric water heater is dependent on the difference in temperature of the incoming cold water supply and the desired hot water delivery temperature
  • 9 kw water heater requires a 240 volt electrical service, a dedicated 40 amp breaker and 8 gauge copper wiring
  • Energy efficient, uses hot water only when needed
  • On-unit temperature controls and LED lights indicate active elements and system operation
  • Modulating control adjusts power consumption to meet the required hot water temperature and flow rate
  • Rugged brass and copper heat exchanger is designed to withstand tough water conditions for long life
  • Lightweight and compact design saves space and enables simple installation in a variety of locations
  • Requires 240 Volt Electrical connection
  • Equipped with 1/2 in. water connections for easy installation
  • Max flow rate 3.0 GPM
  • Modulating Control adjusts power consumption to meet the required hot water / temperature flow rate

    How to Choose Your Rheem EcoSense Tankless Electric

    Choose your application, ie. shower, bath tub or vanity sink-faucet, kitchen sink faucet or washer. See chart below.

    For example: you choose a kitchen sink faucet.


    See application chart below and locate your flow rate. For example: your flow rate is 1.5 gpm.


    On the map, locate the average water temperature in your area.

    For example: your water temperature (in Atlanta) is 55°


    Use the water temperature and flow rate chart to determine the model you need.

    For example: 1.5 gpm flow rate + 55° = RETE 9.



Info & Guides

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SPECIFICATIONS

Dimensions
Product Depth (in.) 
Product Height (in.) 
10 
Product Width (in.) 
7.25 in 
Water Connection Size (in.) 
1/2 
Details
Amperage (amps) 
38 
Electric Product Type 
Point of Use 
Finish Family 
Gray 
Flow Rate @ 35 F Rise (gallons/min) 
1.76 gal (US)/min 
Flow Rate @ 45 F Rise (gallons/min) 
1.37 gal (US)/min 
Fuel Type 
Electric 
Indoor/Outdoor 
Indoor 
Maximum Temperature (F) 
125 
Minimum Activation Rate (gpm) 
.4 
Minimum Temperature (F) 
Point-Of-Use 
Yes 
Product Weight (lb.) 
8 lb 
Residential/Commercial/industrial Use 
Residential or commercial 
Returnable 
90-Day 
Voltage (volts) 
240 
Water Connection Location 
Side 
Water Heater Features 
No Additional Features 
Wattage (watts) 
9000 
Warranty / Certifications
Certifications and Listings 
2-UL Recognized 
ENERGY STAR Certified 
No 
Labor Warranty 
No Warranty 
Part Warranty 
1 Year 

CUSTOMER REVIEWS

Rated 4.1 out of 5 by 38 reviewers.
Rated 5.0 out of 5.0 by Exactly what I hoped it would be I read some reviews on this product before I bought it and some of those people should be embarrassed of themselves. There is a clear chart showing how to "size" the tankless style water heater for your area. Some of these people are getting this small unit when their ground water is only 50 degrees, what are you seriously expecting to happen. This unit works great for my house. I have a 2 bedroom 2.5 Bath Townhouse in South Florida. I don't need a very strong tankless heater because our ground water is so much warmer than the rest of the country. So this thing works great. If you properly size the unit for you house and location it will work just fine. September 16, 2014
Rated 4.0 out of 5.0 by quick heat Heater delivered to my home, and after 3 trips to the store for fittings, not too bad to install and splice into the existing lines. Left the 220v and new breaker install to a pro (another $200). Turned a 10 minute wait into a 5 second delay for hot water at the kitchen sink, and a happy spouse. March 3, 2015
Rated 5.0 out of 5.0 by I love my Rheem RETE-9 ! My son installed this tankless water heater under my bathroom sink about 5 years ago, and it has functioned flawlessly during that time. It gives me plenty of good-and-hot water, delivered very quickly. If I want it scalding hot, I just run the stream a bit slower. A few months after installing it, I asked my son to connect it to the shower that backs up to the same wall. The flow there is a bit slow for my taste, and I have to run the shower full hot in order to get a good water temperature for that higher-volume flow; I'm fairly satisfied with that, but I would recommend a more powerful heater if you want to use it for a shower. December 3, 2014
Rated 5.0 out of 5.0 by Lovin it! We have a small one bath, two sink cottage which had a huge water heater in my closet taking up space. My brother and friend (who are handy) installed this tankless system. It takes a new heavier wire to the electric box and some new pipe ends. I would hire it done unless you have done a lot of this work before. Installed this tankless is awesome! I have continuos hot water for my shower that stays constant. It is super hot for dish washing. Probably could not wash dishes and someone take a shower at same time on this small system. But it cleared up my closet space and I don't have to pay for heated water sitting around. I love it! April 28, 2013
Rated 4.0 out of 5.0 by RETE-9 - 9KW POINT OF USE ELECTRIC TANKLESS WATER HEATER It was really easy to install. I had a light problem with the electrical cable that was fixed shortly. The tankless water heater does what i suppose to, it heat the water. May 6, 2015
Rated 5.0 out of 5.0 by Great product I installed this unit to provide hot water in my workshop sink. I was tired of washing my hands in 40 degree water. I am glad I got the 240V unit as I do not think the 120V unit would have been able to meet the challenge. I did not have any trouble installing it, but I know how to run water lines. If you have experience running water lines, you should not have any trouble. If not, you may be in for a challenge. I also already had a dedicated 240V outlet I could use. If you had to run the power yourself, it would have been more challenging. January 31, 2012
Rated 4.0 out of 5.0 by Great for Small Bathroom I live in Southern California and I installed this unit for a small pool house sink and shower. Installed and tested the sink and it provided hot water. Then tried to turn on shower. Water was warm. Not hot. I switched the shower head to a 1.5 gpm and now i have a nice hot shower. Well worth it if you don't want to run two water lines to a second location. Installed under sink cabinet and have had no issues. If you want to run a stronger shower head then 1.5gpm I would recommend you purchase a bigger unit. March 15, 2014
Rated 4.0 out of 5.0 by Good for what it is For a smaller tankless, it is good. It was easy enough to install, but i noticed that it worked better with a 5/8" connector and the 1/2 " was too small. The electrical install was pretty simple, but it does take some space in the box. I have been pleased with the heat produced thus far. I would suggest starting at a trickle and then increasing flow until desired temperature is reached, otherwise it seems to not heat well.. October 28, 2014
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