Model # RETEX-13

Internet #300800566

Store SKU #1002624309

Rheem Performance 13 kW Self-Modulating 2.14 GPM Electric Tankless Water Heater
0020352682921

Rheem

Performance 13 kW Self-Modulating 2.14 GPM Electric Tankless Water Heater

  • Provides continuous hot water up to 2 people
  • Requires 1 x 60 Amp Double Pole Breaker
  • Call for an Installation Quote at 1-855-400-2552
$ 271 00
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Frequently Bought Together

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Product Overview

  • Provides continuous hot water up to 2 people
  • Requires 1 x 60 Amp Double Pole Breaker
  • Call for an Installation Quote at 1-855-400-2552
This water heater provides instant and continuous hot water for up to 2 showers (based on geographic location). Rheem Performance Tankless Electric Point-of-Use Water Heaters help reduce energy usage, save on energy costs, and are small so they will be a perfect match for installations under a cabinet or sink in your home, office, boat or RV. Plus, it's a great value with a 5-year no-leak, 1-year parts limited warranty.
  • Energy and cost savings: heats water only when it is needed for savings of up to 50% on water heating costs when used in a point-of-use application
  • Instant, continuous hot water: instantly provides ample hot water for up to 2 showers (review selection guide below to confirm this water heater will provide the hot water needed based on your geographic location)
  • Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
  • Great investment and value: energy cost savings and 5-year no-leak, 1-year parts limited warranty
  • Easy to adjust: electronic temperature control adjustable in 1° increments from 80°-140°F with easy-to-read display (Celsius and Fahrenheit compatible)
  • Easy installation: compatible with 1/2 in. water connectors for flex hose installation and no venting or T and P valve required for easy installation (professional installation recommended)
  • Easy to maintain: durable, easy-to-replace heating elements
  • A reliable hot water solution from Rheem, the global leader in water heating
  • Selection guide
  • Other models available:



  • Click here to check out our buying guide on water heaters
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Product Overview

  • Provides continuous hot water up to 2 people
  • Requires 1 x 60 Amp Double Pole Breaker
  • Call for an Installation Quote at 1-855-400-2552
Model #: RETEX-13
Sku #: 1002624309
Internet #: 300800566

This water heater provides instant and continuous hot water for up to 2 showers (based on geographic location). Rheem Performance Tankless Electric Point-of-Use Water Heaters help reduce energy usage, save on energy costs, and are small so they will be a perfect match for installations under a cabinet or sink in your home, office, boat or RV. Plus, it's a great value with a 5-year no-leak, 1-year parts limited warranty.

  • Energy and cost savings: heats water only when it is needed for savings of up to 50% on water heating costs when used in a point-of-use application
  • Instant, continuous hot water: instantly provides ample hot water for up to 2 showers (review selection guide below to confirm this water heater will provide the hot water needed based on your geographic location)
  • Space savings: small, compact design fits perfectly in tight places like under cabinets and sinks
  • Great investment and value: energy cost savings and 5-year no-leak, 1-year parts limited warranty
  • Easy to adjust: electronic temperature control adjustable in 1° increments from 80°-140°F with easy-to-read display (Celsius and Fahrenheit compatible)
  • Easy installation: compatible with 1/2 in. water connectors for flex hose installation and no venting or T and P valve required for easy installation (professional installation recommended)
  • Easy to maintain: durable, easy-to-replace heating elements
  • A reliable hot water solution from Rheem, the global leader in water heating
  • Selection guide
  • Other models available:



  • Click here to check out our buying guide on water heaters
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Info & Guides

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Name 11 kW Self-Modulating Electric Tankless Water Heater Performance 13 kW Self-Modulating 2.14 GPM Electric Tankless Water Heater Performance 18 kW Self-Modulating 3.5 GPM Electric Tankless Water Heater 18 kW Self-Modulating 3.5 GPM Electric Tankless Water Heater
Brand EcoSmart Rheem Rheem EcoSmart
Ratings (174) (64) (59) (228)
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Specifications

Dimensions

Product Depth (in.)
3.625
Product Height (in.)
12
Product Width (in.)
8.25
Water Connection Size (in.)
1/2 In. NPT adapter included

Details

Amperage (amps)
57
Application Type
Residential
Electric Product Type
Residential
Finish Family
Gray
Flow Rate @ 35 F Rise (gallons/min)
2.54 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
1.97
Flow Rate @ 55 F Rise (gallons/min)
1.61
Flow Rate @ 65 F Rise (gallons/min)
1.37
Fuel Type
Electric
Heat Exchanger Warranty
5 Year
Indoor/Outdoor
Indoor
Maximum Temperature (F)
140
Minimum Activation Rate (gpm)
.25
Minimum Temperature (F)
80
Product Weight (lb.)
7lb
Required Volt Connection
240 volt
Returnable
90-Day
Uniform Energy Factor
0
Water Heater Features
Wall Mountable
Wattage (watts)
13000
Wattage (watts)
13000

Warranty / Certifications

Certifications and Listings
1-UL Listed,CSA Listed,ETL Listed
Labor Warranty
No Warranty
Part Warranty
1 Year

Specifications

Dimensions

Product Depth (in.)
3.625
Product Height (in.)
12
Product Width (in.)
8.25
Water Connection Size (in.)
1/2 In. NPT adapter included

Details

Amperage (amps)
57
Application Type
Residential
Electric Product Type
Residential
Finish Family
Gray
Flow Rate @ 35 F Rise (gallons/min)
2.54 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
1.97
Flow Rate @ 55 F Rise (gallons/min)
1.61
Flow Rate @ 65 F Rise (gallons/min)
1.37
Fuel Type
Electric
Heat Exchanger Warranty
5 Year
Indoor/Outdoor
Indoor
Maximum Temperature (F)
140
Minimum Activation Rate (gpm)
.25
Minimum Temperature (F)
80
Product Weight (lb.)
7lb
Required Volt Connection
240 volt
Returnable
90-Day
Uniform Energy Factor
0
Water Heater Features
Wall Mountable
Wattage (watts)
13000
Wattage (watts)
13000

Warranty / Certifications

Certifications and Listings
1-UL Listed,CSA Listed,ETL Listed
Labor Warranty
No Warranty
Part Warranty
1 Year

Questions & Answers

My trailer runs completely off electric, can this heater work on a 3 bdr 2 bth, trait

Asked by: Nate
yes
Answered by: GATOR
Date published: 2018-06-22

My house has 1300 sq feet and we are a family of 3. Will this heater work for my house?

My breaker is 30 amps now can I change it to 60 amps? And this one work better 11kw
Asked by: Eddy
If your bathroom, laundry and kitchen are not far apart, this unit should work fine. If not you might have to consider a larger capacity unit.
Answered by: Bindi
Date published: 2018-12-04

Are the input and output reversable or can the unit be mounted upside down?

Asked by: Strut
You can mount it in any position.
Answered by: GATOR
Date published: 2018-11-04

The Performance 11kW and 13kW show same water heating specs and same amp draw. How is this if th...

The Performance 11kW and 13kW show same water heating specs and same amp draw. How is this if the 13kW has a larger power rating? Not sure why Rheem would offer both?
Asked by: foo
Good question, the water heating performance shown in the specs are indeed the same for the 11 kW heater and 13 kW heater. This can not be true. I did the calculations and found the following: The specs for the 13 kW heater are correct; specs for the 11 kW heater are incorrect. A 11 kW heater at 45 degree F temperature rise will have a flow rate of 1.67 gpm, not 1.97 as shown in the specifications. The flow rates for the other temperature rises are also incorrect for 11 kW. A 13 kW heater at 45 degree F temperature rise will have a flow rate of 1.97 gpm, correct as shown. There is an exact correlation between flow rate, temperature rise, and kW required.
Answered by: Bill
Date published: 2018-11-19
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Customer Reviews

Performance 13 kW Self-Modulating 2.14 GPM Electric Tankless Water Heater is rated 4.1 out of 5 by 64.
Rated 5 out of 5 by from Easy installation and very good service, the new electric tankless works better than its predeces... Easy installation and very good service, the new electric tankless works better than its predecessor.
Date published: 2018-12-04
Rated 5 out of 5 by from very pleased with item and price... very pleased with item and price
Date published: 2018-11-27
Rated 4 out of 5 by from It is a bit on the small side (wattage wise)... It is a bit on the small side (wattage wise) but the original installation was not understood and the electrical that was run for the water heater would not handle a bigger water heater the 13 watt heater raises the water temp 53 degrees with a 1.5 gpm shower head and it is just warm enough.
Date published: 2018-11-27
Rated 5 out of 5 by from The tankless hot water heater works fine.... The tankless hot water heater works fine.
Date published: 2018-11-27
Rated 3 out of 5 by from The capacity is good for my needs. Major complaint is... The capacity is good for my needs. Major complaint is about the install needing adapter to get to pipe threads. They were a bugger to stop leaking on the heater side. Ended up having to use o rings to get a seal. The building lights tend to flicker a bit at start up and I have plenty of amps
Date published: 2018-11-20
Rated 4 out of 5 by from Very easy install provided you can do the 60 amp... Very easy install provided you can do the 60 amp circuit yourself. Works great under most conditions. The exception is that we have an above goround water storage tank on our well. So the temperature of the incoming water can get considerably colder than the water stored underground.
Date published: 2018-11-06
Rated 5 out of 5 by from seems to be working fine so far good quality,good price seems to be working fine so far good quality,good price
Date published: 2018-10-16
Rated 5 out of 5 by from The 13kw Tankless Water Heater is great for our Concession... The 13kw Tankless Water Heater is great for our Concession Stand.
Date published: 2018-10-16
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