Model # ECO 27

Internet #203316218

Store SKU #1000017272

EcoSmart 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater
0854920002091

EcoSmart

27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater

  • Can support Whole House Applications
  • Consult electrician. Requires 3 x 40 AMP Double Pole Breakers
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.
$50500 /each
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Product Overview

Eco Smart, 3 Smart Steps for Endless Hot Water
Attention Product Requires Professional Installation

EcoSmart Electric Tankless Water Heaters, also called Instantaneous On Demand Water Heaters, provide endless hot water on demand and only as needed. Self-modulating flow sensor technology regulates the amount of energy required to heat the water needed. This Smart Technology electric tankless water heater is configured for climates where incoming water temperature can reach as low as 37°F. The ECO 27 is capable of heating nearly 3 GPM at this temperature. The ECO 27 is the largest electric tankless water heater available with Self-Modulating Technology. These models are well suited for homes in the Northern U.S. and Canada and in the southern U.S. that have large Roman-style or Jacuzzi tubs and that have generally more demanding water usage needs.

  • Lifetime warranty
  • Patented self-modulating technology and design
  • Never run out of hot water with an EcoSmart tankless water heater
  • Digital temperature control allows you to set your temperature in increments of 1 degree
  • All EcoSmart electric tankless water heaters come with an automatically resettable thermostat as opposed to a manually resettable thermostat; the integration of all components and quick connections are designed to promote simplicity for the installer and the user
  • Prior to purchase and installation please verify this model is the right size for your hot water needs
  • Easy to mainain, easy-to-replace heating elements
  • A reliable hot water solutuion from EcoSmart
  • 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

Info & Guides

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Name 18 kW Self-Modulating 3.5 GPM Electric Tankless Water Heater 27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater Performance 27 kw Self-Modulating 5.3 GPM Electric Tankless Water Heater 36 kW 240-Volt Self-Modulating 6 GPM Electric Tankless Water Heater
Brand EcoSmart EcoSmart Rheem EcoSmart
Ratings (144) (178) (8) (18)
Wattage (watts) 18000 27000 27000 36000
Indoor/Outdoor Indoor Indoor Indoor Indoor
Water Heater Features Wall Mountable Wall Mountable Wall Mountable Wall Mountable
Flow Rate @ 45 F Rise (gallons/min) 2.73 4.10 4.10 5.46
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Specifications

Dimensions

Product Depth (in.)
17
Product Height (in.)
18
Product Width (in.)
4
Water Connection Size (in.)
3/4 In. NPT

Details

Amperage (amps)
112.5
Application Type
Residential
Electric Product Type
Residential
Energy Factor
0
Finish Family
White
Flow Rate @ 35 F Rise (gallons/min)
5.27 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
4.10
Flow Rate @ 55 F Rise (gallons/min)
3.35
Flow Rate @ 65 F Rise (gallons/min)
2.84
Fuel Type
Electric
Heat Exchanger Warranty
Lifetime
Indoor/Outdoor
Indoor
Maximum Temperature (F)
140
Minimum Activation Rate (gpm)
.25
Minimum Temperature (F)
80
Product Weight (lb.)
14lb
Required Volt Connection
240
Returnable
90-Day
Uniform Energy Factor
0
Water Connection Location
Bottom
Water Heater Features
Wall Mountable
Wattage (watts)
27000

Warranty / Certifications

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

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Customer Questions & Answers

I have 200 amp service. Is it big enough for the 27 kw

Asked by: Butch
I too have 200 amp home service. When I moved from a traditional tank type to this, I used the existing 40 amp space for my existing water heater and two additonal spots for the other two breakers. I have never had any electrical issues.
Answered by: hotwaterhome
Date published: 2017-07-19

Would this size do 2 showers , washing machine and dishwasher at same time

Asked by: Deborah
What h/w heater would? How long is the shower? Washing machine on cold, warm, hot, small, medium or large load? Too many variables for a logical answer.
Answered by: Rebel57
Date published: 2017-07-10

Can it be configured to show temperature in celsius?

Can it be configured to show temperature in celsius?
Asked by: IMV
Yes push and hold button for 3 secs
Answered by: Brent
Date published: 2017-07-19

Is the box grounded or I will have to install a separate ground wire ?

The city inspector is aking for a "ground" to the main breaker box
Asked by: Facer
Question for Taylor or anyone who can answer...is that the ground terminal bar just to the left of the hot terminal bar? (in the picture) Thanks. If so, will the ground terminal take #6 wire?
Answered by: QuickRick
Date published: 2017-03-20
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Customer Reviews

27 kW Self-Modulating 5.3 GPM Electric Tankless Water Heater is rated 4.0 out of 5 by 178.
Rated 5 out of 5 by from I'm not new to the TWH world. I've been using one for almost 20 years. However, the brand I had b... I'm not new to the TWH world. I've been using one for almost 20 years. However, the brand I had before was nowhere NEAR as well-made as this. During the 20 years I used that brand, I had to replace it FOUR times due to leaks. And, I had to replace the motherboard twice to to component failure. The Eco27 is simplicity itself. Not convoluted motherboards with a ton of components to burn out. The chambers are COPPER unlike the former brand I had which were plastic or resin. I did a LOT of research before I chose the Eco27. After I installed it (which was a piece of cake following the instructions), I was rather surprised to find how quickly it heated the water. My old unit had four elements and it didn't heat the water as fast as the Eco27 with three. These guys did it RIGHT. Be sure to use their sizing guide to determine which Ecosmart is right for you.
Date published: 2017-02-11
Rated 5 out of 5 by from I like this tankless unit gives endless showers . We have a family of 4 that likes to take long h... I like this tankless unit gives endless showers . We have a family of 4 that likes to take long hot showers. With our old 50gal after the 2nd or third shower water was cold not now. We live in northern Ohio so in the cold months it delvers the hottest showers if no other hot water is run at the same time. And if you run your bath water the slower you run the water the hotter it will be. And we save on our electricity bill as it does not have to keep water heating in the tank when we are not home, I self installed this unit myself using sharkbite connectors off the shelf . Did have to add 3 ( 40amp )breakers to my breaker box. There are good videos on youtube on Installation
Date published: 2017-02-14
Rated 5 out of 5 by from I live with my wife and, at times, all 5 of my daughters ! Continuous HOT water is a requirement... I live with my wife and, at times, all 5 of my daughters ! Continuous HOT water is a requirement of a happy family life ! This unit easily provides ample hot water for everyone.
Date published: 2017-03-21
Rated 5 out of 5 by from The EcoSmart 27 was a replacement of an older model Seisco RA-28 we installed 10+ years ago and i... The EcoSmart 27 was a replacement of an older model Seisco RA-28 we installed 10+ years ago and it started acting up and leaking. The newer tankless water heater we got is all in one unit chambers whereas the Seisco unit had plastic chambers bolted together. I'm very pleased with the EcoSmart heater and the installation (with the help of my plumber and electrician, only took a couple of hours. No leaks, compact and easy to install. Would recommend this to any family looking to conserve space in any house.
Date published: 2017-01-31
Rated 5 out of 5 by from Love it, love it, love it! I have a Jacuzzi tub that fills faster than 5 GPM (plus 3 showers + a ... Love it, love it, love it! I have a Jacuzzi tub that fills faster than 5 GPM (plus 3 showers + a washing machine + a dish washer, etc.) so I've put two of these units in series (see photo), setting the first to 126 degrees and the second to 124 degrees so that the second is activated only when needed (quite rarely). For the first time since we've lived in our house, our kids and guests can shower or bathe in hot water ever after we've filled our Jacuzzi tub. Fabulous!!! Did I mention that this product has a lifetime warranty and has a super-small footprint. I've been replacing my way-too-big (80 gal), way-too-energy-hungry water heater every 8-12 years like clockwork (rather expensive). Now I think we're set for life!
Date published: 2016-12-27
Rated 1 out of 5 by from I have a 1200 sq home two baths very compact space in Portland. This unit could not supply one sh... I have a 1200 sq home two baths very compact space in Portland. This unit could not supply one shower with hot water, warm water but not nice hot shower. Works ok at the sink when the flow rate is at half but absolute rubbish in the showers. So disappointed by this product. I read the charts and sized based off what should have been plenty for one shower in our house. If you live above SF size all the way up or stick with the tank. This cost close to $1,000 for unit and install and now we will have to spend more money getting plumbers and electrician out to replace it. Please feel what 105 degrees feels like that is the hottest water you will get.
Date published: 2017-01-27
Rated 2 out of 5 by from Caution If you are buying this for a primary home..don't. It will not save you money if you have kids/wife taking 20 min showers. Mine worked ok for 2 years then crapped out. Could only run 2 showers at once nothing else or one of the showers got cold water. If using this for secondary home only being used a few times a month probably would save money. Before you buy check what region you are in because water temp coming into the unit will determine efficiency.
Date published: 2017-04-18
Rated 5 out of 5 by from Have had the unit installed for just two weeks. We have not ran out of hot water at any time run... Have had the unit installed for just two weeks. We have not ran out of hot water at any time running our shower and two faucets at the same time is no issue. Takes a bit for the water to heat up since the lines are holding cold water... For the space we saved, and having endless hot water this is a great replacement for our old tank water heater. The difference on our electric bill is a mystery since we have not gotten an electric bill since we installed it. I would think as much as the old tank ran heating water all the time, that we would at least not see a rise in the cost, but time will tell.
Date published: 2017-01-25
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