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Rheem RTE-13 Electric Tankless Water Heater - 13 kW
Model#: RHMNRTE-13
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Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
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Rheem RTE-13 Electric Tankless Water Heater - 13 kW

Model#: RHMNRTE-13
Retail:
$239.99
Our Price:
$219.99
Sale Price:
$174.99
You Save:
$65.00 (27%)
In Stock
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Details

Continuous, on demand, hot water and a compact design means this Electric Tankless Water Heater is perfect for point-of-use applications.
Features:
  • Can heat a maximum of 4 gallons per minute
  • Energy efficient when compared to traditional water heaters
  • On-unit temperature control
  • LEDs indicate active element and standby mode
  • Standard 1/2 in. water connection
  • Rugged brass/copper heat exchanger
  • Great for homes, condos, hospitals, boats, offices, laboratories, and anywhere hot water is needed
Includes:
  • 13 kW Electric Tankless Water Heater - RTE-13

Specifications

Weight: 8 lbs.
Activation Flow: 0.40 GPM
Amperage: 54
Application: Point-Of-Use
Kilowatts: 13
Required Breaker: 60 Amp
Water Connection: 1/2 in. NPT
Wire Size: 6 Gauge

Reviews

Product Reviews

REVIEW SNAPSHOT®

by PowerReviews
RheemElectric Tankless Water Heater - 13 kW
 
4.4

(based on 34 reviews)

94%

of respondents would recommend this to a friend.

Pros

  • Works quickly (26)
  • Energy efficient (24)
  • Simple controls (18)
  • Long-lasting (7)
  • Easy to install (3)

Cons

  • Inaccurate controls (3)
  • Tough to install (3)

Best Uses

  • Small homes (19)
  • Home (18)
  • Office (10)
  • Large homes (4)
    • Reviewer Profile:
    • Homeowner (27), Avid do-it-yourselfer (12), Professional (8)

Reviewed by 34 customers

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Displaying reviews 1-5

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5.0

DELIVERS BETTER THAN EXPECTED!

By oldmisterfixit

from Palm Bay, FL

About Me Handyman, Homeowner, Retired

Verified Buyer

Pros

  • Easy to install
  • Energy Efficient
  • Long-Lasting
  • Precise Controls
  • Very Compact Design
  • Works Quickly

Cons

    Best Uses

    • Home
    • Small Homes

    Comments about Electric Tankless Water Heater - 13 kW:

    Totally exceded my expectations...I am in awe, every time I turn on my hot water...Fantastic!

     
    5.0

    great product

    By jesse

    from georgetown , de

    About Me Homeowner

    Verified Reviewer

    Pros

    • Energy Efficient
    • Long-Lasting
    • Precise Controls
    • Works Quickly

    Cons

      Best Uses

      • Home

      Comments about Electric Tankless Water Heater - 13 kW:

      installed myself over four years ago and has never failed. does the whole house and saves on electric bill. great spacesaver as well. would highly recommend

       
      3.0

      1.5 gal. / min. realistic w/55 degree gw

      By spiderman

      from Delaware County, OK

      About Me Professional

      Verified Buyer

      Pros

      • Energy Efficient
      • Works Quickly

      Cons

      • Copper Pipe Requirement R
      • Required Service Upgrade

      Best Uses

      • Moderate Or Low Flow Use
      • Remote Use
      • Small Homes

      Comments about Electric Tankless Water Heater - 13 kW:

      Electrical service may need to be upgraded, requires a 60 amp 220 breaker and 6 guage wire. Uses compression fittings for half inch copper pipe. Do not confuse this with copper tubing, which is not the same outside diameter. If you are connecting to any type of plastic pipe, including pex, the copper pipe must exstend three feet on each side of the unit and a pressure relief valve must be installed. It would be a good idea to install flow restricting airators an all taps to insure even hot water flow. Also a low flow shower head should be installed. Even with all those requirements the unit is the most economical unit I have seen for moderate to low use environment.

      (5 of 5 customers found this review helpful)

       
      5.0

      really more than i expected

      By hippyroy69

      from mineola, texas

      About Me Handyman, Homeowner, Professional

      Verified Buyer

      Pros

      • Energy Efficient
      • Long-Lasting
      • Precise Controls
      • Works Quickly

      Cons

        Best Uses

        • Home
        • Large Homes
        • Office
        • Small Homes

        Comments about Electric Tankless Water Heater - 13 kW:

        i never run out of hot water and it is really quick to be hot

        (10 of 10 customers found this review helpful)

         
        5.0

        The real deal!!

        By Nick

        from Nashville, TN

        About Me Homeowner

        Verified Buyer

        Pros

        • Energy Efficient

        Cons

        • Tough To Install

        Best Uses

        • Small Homes

        Comments about Electric Tankless Water Heater - 13 kW:

        I took out my old 50 gallon water heater because it was in a bedroom closet and i was afraid it would bust someday and ruin my floors and furniture. I live alone in a small 2 bedroom home and the water fixtures (bathroom and kitchen) are close by where the water heater was located. Once I installed this Rheem 13, it more than puts out the heat I need for showering, dishes, and sink needs. I have only had it a week and am oversatisfied!

        I installed it myself and have intermediate handyman skills. The plumbing ($20) was pretty easy but electrical was a challenge. Upgrading the breaker to a 220v 60amp breaker ($9) and running new 6/2 wire ($51) was difficult as it much larger wire that the 10 gauge previously used on my old water heater. It was hard to drop it down into my fuse panel.

        So in total, it cost me about $260 and I have so much more room in my closet and don't fear coming into a lake at my house. Every install will have different hurdles but the savings in the long run will pay for your troubles up front. I'm not sure if this would work in a large home with a lot of hot water demanded by different outputs at once. It seems like a tough appliance and i have yet to challenge it's capabilities.

        Displaying reviews 1-5

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        Questions & Answers

        Do you have questions about this product?

        Get answers from real customers and in-house experts with AnswerBox.

        15 Questions | 20 Answers
        Displaying questions 1-10Previous | Next »
        • Electric Tankless Water Heater - 13 kW

          Q:

          02-28-2015 - SATURDAY .... THE UNIT COMES WITH TWO WIRES ( Black and a white wire ). THE UNIT IS SUPPOSED TO BE WIRED FOR 240 VOLTS. I SUPPOSED TO USE A 60 AMP BREAKER -- two slots for two wires. Am I supposed to wire the black and white wires that comes with the unit to the 60 amp breaker, hence, 240 volts OR wire as I would a 120v device -- Black to the breaker and white ( wire ) to the neutral bar ..... ?
          Asked on 2/28/2015 by ANDRE from WAGRAM, N.C.

          0 answers

        • Electric Tankless Water Heater - 13 kW

          Q:

          i have a 921 sq ft house, with propane, our current hot water heater is electric, but it costs a lot, is there a difference between the propane and electric tank-less hot water heaters?

          could you recommend which heater would be the best.. i live in the mountains power goes off often
          Asked on 2/3/2015 by meouse from Plains, Montana

          1 answer

          • Staff Reviewer

            A:

            The water heater that you are looking at is a point-of-use water heater, meaning that it will work on one application only, like a sink or shower. You need to look for a whole home unit. The propane water heaters from Rheem are good but if you are looking to go electric, you need to look at the Bosch whole home water heaters.

            Answered on 2/24/2015 by Sonny from Lawrencville, GA
        • Electric Tankless Water Heater - 13 kW

          Q:

          I have a 5th wheel R V ,would like to install a tankless hot water heater What determines the size I would AND what materials are required for installation. Is there by chance a solar powered tankless hot water heater ?
          Asked on 1/25/2015 by new inquirer from Dallas,Tx

          1 answer

          • Staff Reviewer

            A:

            Please contact the manufacturer at 866-720-2076 for technical advise on using this unit in an R.V.

            Answered on 2/24/2015 by RS from Atlanta
        • Electric Tankless Water Heater - 13 kW

          Q:

          Can I hook up this tankless water heater up to the hot water supply so as to cut down on water usage before hot water gets to tap then use my standard water tank? There is about 20 feet between tap and water tank.
          Asked on 12/14/2014 by CB the building modification specialist from Illinois

          0 answers

        • Electric Tankless Water Heater - 13 kW

          Q:

          is it absolutely necessary to install this product with gauge 6 wire
          Asked on 11/29/2014 by frank from cleveland

          1 answer

          • A:

            The installation directions state 6 gauge is to be used. Use it. 8 would likely work for a while, but drawing too much current through a wire that is too small will do only one thing for you - make the whole house much warmer for a while.... as it will be on fire. Don't cheat the wiring codes, there is a reason for them!

            Answered on 1/14/2015 by aaron from plattsburgh, ny
        • Electric Tankless Water Heater - 13 kW

          Q:

          I want to hook one of these up in a shop for washing cars and trucks. Will it work well?
          Asked on 10/31/2014 by wheelmanjon from mpls, mn

          1 answer

          • A:

            This model (13KW) will only supply 2.5 gal. per min. If you use a fixture that uses only that amount it will supply hot water continually.
            Check around to see if you can find a nozzle that will work.

            Answered on 2/7/2015 by BWL from Florida
        • Electric Tankless Water Heater - 13 kW

          Q:

          I bought a Rheem RTE 13 tankless heater and the wire and lug box to supply it with 60 amp potential. When I unpacked the heater I found AWG 8-2 /amp 40 pig-tailing from heater. If the unit runs at 54 amp, how to explain this discrepancy?
          Asked on 10/8/2014 by Detroitman from Detroit

          3 answers

          • A:

            Circuit Breakers are rated at a safe continuous running current load. Devices that connect to them have a continuous current load but when they are activated there is an additional current load called a surge. The water heater doesn't run at 60 amp but it takes a 60 amp breaker to handle the surge to be safe.

            Answered on 1/3/2015 by Tallyther from Florida
          • A:

            My experience tells me the insulation on the #8 copper conductor must be such that it is rated at a higher amperage than a typical THHN conductor. The unit itself has been tested a UL company as well and certified safe as designed.
            Jim 32563

            Answered on 12/20/2014 by CECPRES from Gulf Breeze, FL
          • A:

            That very short run of wire inside the heater will not drop enough voltage at 60 amp current to heat up the wire significantly. They base the 6 AWG feed wire on a certain run length. I don't know what run length it's based on but I assume it would be 20 feet or so for an average distance from breaker box to the heating unit).

            Answered on 11/14/2014 by Steve from New Port Richey
        • Electric Tankless Water Heater - 13 kW

          Q:

          Hello,
          I live alone in a 3 BR 1 BA home that is less than 1000 SF. Aside from the shower and sink in the bath there is a kitchen sink, dishwasher, and laundry facilities. All of the plumbing is contained within about a 10 foot distance from where the tankless unit would be, with the exception of the washing machine in the laundry room which is about 20 to 25 feet away. Would this unit be adequate for this home? If not, do you recommend another unit that you have that is comparable in price? Looking to replace the large conventional tank now located in small bathroom that takes up way too much room. Do not have natural gas in house so electric is my option.
          Thank you,
          J
          Asked on 10/7/2014 by Jeff from Vancouver, WA

          1 answer

          • VERIFIED BUYER

            A:

            I recently installed 13 kw Rheem Tankless water heater in my home as the primary hot water supply.. it has been in and functioning trouble free for for the past two weeks ...Frankly I think it would be just fine...I think it's GREAT!

            Answered on 2/24/2015 by oldmisterfixit from Palm Bay, FL
        • Electric Tankless Water Heater - 13 kW

          Q:

          I own an apartment complex and installed 20 of these unit (one per apartment). Each apartment is a one bedroom, one bath and also has a dishwasher. I am having trouble with water pressure for hot water in all the areas. is this unit too small for a whole one bedroom apartment? What size would you recommend and would the new size be compatible with the current one?
          Asked on 9/16/2014 by keith

          3 answers

          • A:

            Your pressure is determined by the cold water coming in from the city,,in most cases,,this may have had a economy fixture in the cold inlet side...take one back apart and look in the cold and hat side and makes sure theres no abstruction,,,,,maybe hook water hose to cold side in yard and shut water through it to be sure..

            Answered on 2/4/2015 by fredpd7531 from iuka,ms
          • A:

            There is a screen on the iside of the cold water inlet and it is prob partially clog restricting the water flow

            Answered on 11/23/2014 by joe from jonstown pa
          • A:

            There is a screen on the iside of the cold water inlet and it is prob partially clog restricting the water flow

            Answered on 11/23/2014 by joe from jonstown pa
        • Electric Tankless Water Heater - 13 kW

          Q:

          Can I thread copper sweat fittings on it and sweat copper on it.

          Thank you for your time.
          Karl
          Asked on 9/14/2014 by Karl

          0 answers

        Displaying questions 1-10Previous | Next »

        Do you have a question about this product? 

         

        Warranty

        LIMITED WARRANTY
        RHEEM® or RUUD® Residential Tankless Gas Water Heaters

        GENERAL

        This Limited Warranty is only available to the original owner of this water heater. It is not transferable. Rheem Manufacturing Company (Rheem) warrants this Rheem or Ruud water heater, and its component parts, to be free from defects in materials and workmanship, under normal use and service, for the Applicable Warranty Period. At its option, Rheem will repair or replace the defective water heater, or defective component part(s), in accordance with the terms of this Limited Warranty, if it fails in normal use and service during the Applicable Warranty Period. The replacement water heater must be manufactured by Rheem. The replacement component part(s) must be Rheem authorized component part(s). The replacement unit will be warranted only for the unexpired portion of the original unit's Applicable Warranty Period.

        EFFECTIVE DATE

        The Effective Date of warranty coverage (or the beginning of the Applicable Warranty Periods) is the date of installation of the water heater, if properly documented. Otherwise, it is the date of manufacture of the water heater plus ninety (90) days.

        APPLICABLE WARRANTY PERIODS

        The Applicable Warranty Periods are ten (10) years from the Effective Date for the heat exchanger and three (3) years from the Effective Date for the component parts if the water heater is installed in a single-family dwelling. If the water heater is installed anywhere other than a single-family dwelling or in any system in which the water is recirculated, the Applicable Warranty Periods will be limited to one (1) year from the Effective Date.

        APPLICABLE WARRANTY PERIODS FOR PURCHASES AFTER 7/1/08 or a 53, 66, or 74 Model Rheem Tankless Water Heater

        The Applicable Warranty Periods are twelve (12) years from the Effective Date for the heat exchanger and five (5) years from the Effective Date for the component parts if the water heater is installed in a single-family dwelling. If the water heater is installed anywhere other than a single-family dwelling or in any system in which the water is recirculated, the Applicable Warranty Periods will be limited to one (1) year from the Effective Date.

        APPLICABLE WARRANTY PERIODS FOR PURCHASES BEFORE 7/1/08 or a 42 Model Rheem Tankless Water Heater

        The Applicable Warranty Periods are twelve (12) years from the Effective Date for the heat exchanger and five (5) years from the Effective Date for the component parts if the water heater is installed in a single-family dwelling. If the water heater is installed anywhere other than a single-family dwelling or in any system in which the water is recirculated, the Applicable Warranty Periods will be limited to one (1) year from the Effective Date.

        All Applicable Warranties will be limited to three (3) years from the Effective Date if the water heater is installed in a system in which the water is re-circulated, but not if its an on-demand re-circulation system which utilizes existing hot and cold water lines, or a dedicated return line without the use of a temperature sensor, timer, or a continuously operating pump

        All Applicable Warranties will be limited to three (1) year from the effective date if the water heater is installed anwhere other than a single-family dwelling.

        WARRANTY EXCLUSIONS

        This Limited Warranty will not cover:

        1. Service trips to your home to teach you how to install, use, or maintain this water heater or to bring the water heater installation into compliance with local building codes and regulations.
        2. This residential tankless water heater if it is installed for use in: spa or pool heating; a mobile home; a recreational vehicle; a boat or any other watercraft.
        3. Units installed in any circulating system in which the temperature of the incoming water to the water heater is in excess of 120° F.
        4. Damages, malfunctions or failures resulting from failure to install the water heater in accordance with applicable building codes/ordinances or good plumbing and electrical trade practices.
        5. Damages, malfunctions or failures resulting from improper installation or failure to operate and maintain the unit in accordance with the manufacturer's instructions provided, including outside of recommended water quality levels as listed in the chart below:
        6. Performance problems caused by improper sizing of the water heater or the gas supply line, the venting connection, combustion air openings, electric service voltage, wiring, or fusing.
        7. Damages, malfunctions or failures caused by improper conversion from natural gas to LP gas or LP gas to natural gas fuel source.
        8. Damages, malfunctions or failures caused by operating the water heater with any parts removed or with modified, altered, or unapproved parts installed.
        9. Damages, malfunctions or failures caused by abuse, accident, fire, flood, freeze, lightning, acts of God and the like.
        10. Heat exchanger failures (leaks) caused by operating the water heater in a corrosive or contaminated atmosphere or damages, malfunctions or failures caused by lime or mineral build-up.
        11. Damages, malfunctions or failures caused by operating the unit at water temperatures exceeding the maximum setting of the operating, or high limit, control.
        12. Heat exchanger failures caused by operating the water heater when it is not supplied with potable water.
        13. Damages, malfunctions or failures caused by subjecting the heat exchanger to pressures, or firing rates, greater than those shown on the rating label.
        14. Damages, malfunctions or failures resulting from the use of any attachment, including any energy saving device, not authorized by Rheem.
        15. Units installed outside the fifty states (and the District of Columbia) of the United States of America and the Dominion of Canada.
        16. Units removed from the original installation location and reinstalled elsewhere.
        17. Units that have had their rating labels altered, tampered with, or removed. A water heater should not be operated if the rating label is removed.

        LABOR, SHIPPING, AND PROCESSING COSTS

        This Limited Warranty does not cover any labor expenses for service, repairs, reinstallation, permits, or removal and disposal of the failed water heater, or defective component part(s). All such expenses are your responsibility. Rheem will pay the transportation costs for an “in-warranty” replacement water heater, or “in-warranty” replacement component part(s), to a convenient delivery point (selected by Rheem) near the place the original water heater, or original component part(s), is located: such as a local Rheem or Ruud water heater distributor.You must pay any local freight charges, including the cost of returning the failed water heater, or defective component part(s) to a convenient shipping location (selected by Rheem): such as a local Rheem or Ruud water heater distributor. Rheem does not authorize, recommend, or receive any benefit from any claims processing or similar fees charged by others to process warranty claims for any Rheem or Ruud water heater or component part(s). Rheem will not reimburse any party for these, or any other, fees not specifically covered in this Limited Warranty document.

        HOW TO OBTAIN WARRANTY CLAIM ASSISTANCE

        Any claim for warranty assistance must be made promptly. First, determine if your water heater is “in-warranty” (that is, within the Applicable Warranty Period).You can determine your unit's warranty status by adding its Applicable Warranty Period to its date of installation. However, if you do not have documentary proof of your water heater's date of installation, your unit's warranty status will be based on its date of manufacture. The first four digits of the unit's serial number represent the month and year it was manufactured. Add the Applicable Warranty Period plus ninety (90) days to the date of manufacture to determine whether the water heater is still covered by this Limited Warranty.You may also determine your unit's warranty status by obtaining the complete model number, complete serial number, and date of installation of your water heater and then accessing the “Warranty Verification” information on Rheem Water Heaters' internet website (www.rheem.com) or contacting Rheem Water Heaters' Claims Department (telephone (800) 621-5622) during normal business hours (in the Central Time Zone) to determine if the Applicable Warranty Period has expired. If your water heater is “in-warranty”, contact the plumber, or mechanical contractor, that installed it for assistance with the warranty repairs, or replacement, required.You may also select a plumber, or mechanical contractor, from your local Yellow Pages to assist you. Rheem Water Heaters' Technical Service personnel are available to assist you (by telephone at (800) 432-8373 or via e-mail at techserv@rheem.com) in obtaining “in-warranty” service or to answer your questions about the operation or repair of your water heater during normal business hours (in the Central Time Zone). Be prepared to provide the plumber, mechanical contractor, or Rheem Technical Service person you call with the complete model number, the complete serial number, and the date of installation of your water heater in addition to an explanation of your water heater problem. If an exact replacement is not available, Rheem will provide you with the current model of your water heater, or component part(s), or a replacement unit with comparable operating features. If government regulations or industry certification or similar standards require the replacement water heater, or replacement component part(s), to have features not found in the defective water heater, or the defective component part(s), you will be charged for the difference in price represented by those required features. If you pay the price difference for those required features and/or to upgrade the size and/or other features available on a replacement new water heater, you will also receive a complete new Limited Warranty (with the full Applicable Warranty Periods) for the replacement new water heater. Rheem reserves the right to inspect, or require the return of, the failed water heater or the defective component part(s). Each “in-warranty” failure water heater must be made available to Rheem (with the rating label and all the component parts intact) in exchange for the replacement water heater. Each defective “in-warranty” component part to be replaced must be returned to Rheem in exchange for the replacement component part. Warranty compensation is subject to validation of “in-warranty” coverage by Rheem Claims Department personnel.

        • To obtain warranty compensation for an “in-warranty” water heater failure, you must provide Rheem with: (at Rheem's option) either the failed water heater (with the rating label and all the component parts intact) or the complete original rating label (photocopies are not acceptable) removed from the failed water heater; the complete model number and the complete serial number of the Rheem or Ruud water heater that replaced the failed unit; and the date the original water heater failed.You may also be required to provide documentary proof of the failed water heater's date of installation to establish its “in-warranty” status.
        • To receive warranty compensation for an “in-warranty” defective component part, you must provide Rheem with: the defective component part; the complete model number and the complete serial number of the Rheem or Ruud water heater from which the defective component part was removed; and the date the defective component part failed.You may also be required to provide documentary proof of the date of installation of the Rheem or Ruud water heater from which the defective part was removed — or the date of purchase of the part (if it was purchased separately) — to establish the “in-warranty” status of the defective component part.
        Warranty claim documentation should be mailed promptly to
        Rheem Water Heaters, Claims Department
        2600 Gunter Park Drive East
        Montgomery, Alabama 36109