Model # AT-900-03

Internet #205515499

ATMOR Single Sink 3kW/110V Electric Tankless Water Heater 0.5 GPM, Pressure Relief Device, 0.5 GPM Aerator, Instant Hot Water
0857580003019

ATMOR

Single Sink 3kW/110V Electric Tankless Water Heater 0.5 GPM, Pressure Relief Device, 0.5 GPM Aerator, Instant Hot Water

  • Continuous on demand hot water heater, no hot water tank
  • Electric water heater for single sink hotwater application only
  • 30 Amp Single-phase breaker requires; Not a plug-in unit
$ 99 00
$129.99

Save $30.99 (24%)

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Frequently Bought Together

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Product Overview

  • Continuous on demand hot water heater, no hot water tank
  • Electric water heater for single sink hotwater application only
  • 30 Amp Single-phase breaker requires; Not a plug-in unit
ATMOR 900 series Electric Tankless Water Heaters revolutionize hot water heaters with technology that provides you with unlimited hot water when you need it, without the wait or worry of ever running out. By automatically activating once water flow is sensed and shuts off when it stops, you'll lower your water consumption and eliminating costly water waste. The ATMOR Electric Tankless Instant Water Heater is the eco-friendly, efficient and convenient solution you have been looking for, delivering an endless supply of hot water instantly at the point of use only when you need it. It is suitable for both residential and commercial applications, even in your RV, so you can enjoy a continuous flow of hot water whenever you want. Best of all, unlike a gas water heater, the compact design requires no venting, giving you the flexibility to install anywhere inside your home or garage. The compact footprint of this device can be installed against the wall either under the sink out of sight or near the point of use, where its elegant design blends into your home environment among other appliances. Unit will require a 30 Amp dedicated circuit breaker to operate properly. Remember inlet temps vary by location and seasonality. Selecting the right water heater depends on your incoming water temperature, flow rate, and desired output temperature.
  • Ideal for a single sink application in areas with atleast 57F ground water temperature
  • Requires a direct connection to a 30 Amp single-phase breaker, not a plug-in unit
  • Unit requires a 30 Amp dedicated single-phase breaker, maximum flow rate of 0.5 GPM is recommended
  • Includes 0.5 GPM aerator for sink faucet and pressure relief device
  • Required wire size: 10 AWG standard 1/2 in. NPT (straight thread) fittings
  • Standard 1/2 in. NPT (straight thread) fittings
  • 2 year limited warranty, 7 years free from leakage
  • Instant and endless hot water on demand without the wait or worry of ever running out
  • Save up to 50% on your water heating costs
  • Conserves energy - activates only with water flow at 0.5 GPM
  • Eliminates the wait for hot water and water wastage
  • Ideal for commercial or residential, single sink applications
  • Compact, eco-friendly design, made up of recycled material, installs neatly underneath sink
  • No venting necessary
  • Certified lead free
  • Inner workings (ie canister) of this ATMOR unit is primarily constructed with a commercial grade, heavy duty, heat resistant polymer composition reinforced with a fiber glass compound to complement its durability, stiffness, finish and strength, such thermoplastic materials are increasingly used across the automotive, consumer industrial, medical and energy markets, to enhance product performance and increase consumer safety
  • Note: unit must be professionally installed into electrical supply, reference our guide to confirm if this is the right tankless water heater for your area/needs, to help with this, please see our selection guide below or call our support team at 888.783.6082



  • Use our buying guide to choose the right tankless water heater for your needs

    Tankless Electric Water Heater

  • Click here for more information on Electronic Recycling Programs

Product Overview

  • Continuous on demand hot water heater, no hot water tank
  • Electric water heater for single sink hotwater application only
  • 30 Amp Single-phase breaker requires; Not a plug-in unit
Model #: AT-900-03
Internet #: 205515499

ATMOR 900 series Electric Tankless Water Heaters revolutionize hot water heaters with technology that provides you with unlimited hot water when you need it, without the wait or worry of ever running out. By automatically activating once water flow is sensed and shuts off when it stops, you'll lower your water consumption and eliminating costly water waste. The ATMOR Electric Tankless Instant Water Heater is the eco-friendly, efficient and convenient solution you have been looking for, delivering an endless supply of hot water instantly at the point of use only when you need it. It is suitable for both residential and commercial applications, even in your RV, so you can enjoy a continuous flow of hot water whenever you want. Best of all, unlike a gas water heater, the compact design requires no venting, giving you the flexibility to install anywhere inside your home or garage. The compact footprint of this device can be installed against the wall either under the sink out of sight or near the point of use, where its elegant design blends into your home environment among other appliances. Unit will require a 30 Amp dedicated circuit breaker to operate properly. Remember inlet temps vary by location and seasonality. Selecting the right water heater depends on your incoming water temperature, flow rate, and desired output temperature.

  • Ideal for a single sink application in areas with atleast 57F ground water temperature
  • Requires a direct connection to a 30 Amp single-phase breaker, not a plug-in unit
  • Unit requires a 30 Amp dedicated single-phase breaker, maximum flow rate of 0.5 GPM is recommended
  • Includes 0.5 GPM aerator for sink faucet and pressure relief device
  • Required wire size: 10 AWG standard 1/2 in. NPT (straight thread) fittings
  • Standard 1/2 in. NPT (straight thread) fittings
  • 2 year limited warranty, 7 years free from leakage
  • Instant and endless hot water on demand without the wait or worry of ever running out
  • Save up to 50% on your water heating costs
  • Conserves energy - activates only with water flow at 0.5 GPM
  • Eliminates the wait for hot water and water wastage
  • Ideal for commercial or residential, single sink applications
  • Compact, eco-friendly design, made up of recycled material, installs neatly underneath sink
  • No venting necessary
  • Certified lead free
  • Inner workings (ie canister) of this ATMOR unit is primarily constructed with a commercial grade, heavy duty, heat resistant polymer composition reinforced with a fiber glass compound to complement its durability, stiffness, finish and strength, such thermoplastic materials are increasingly used across the automotive, consumer industrial, medical and energy markets, to enhance product performance and increase consumer safety
  • Note: unit must be professionally installed into electrical supply, reference our guide to confirm if this is the right tankless water heater for your area/needs, to help with this, please see our selection guide below or call our support team at 888.783.6082



  • Use our buying guide to choose the right tankless water heater for your needs

    Tankless Electric Water Heater

  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name Single Sink 3kW/110V Electric Tankless Water Heater 0.5 GPM, Pressure Relief Device, 0.5 GPM Aerator, Instant Hot Water Eccotemp L5 1.5 GPM Portable 37,500 BTU Liquid Propane Outdoor Tankless Water Heater Tronic 3000 US7 Electric Point-Of-Use Tankless Water Heater Performance 6 kW 1.0 GPM Point-Of-Use Electric Tankless Water Heater
Brand ATMOR Eccotemp Bosch Rheem
Ratings (67) (194) (2) (15)
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
3.55
Product Height (in.)
7.29
Product Width (in.)
11.82
Water Connection Size (in.)
0.5

Details

Amperage (amps)
27
Application Type
Point of Use
Electric Product Type
Point of Use
Finish Family
White
Flow Rate @ 35 F Rise (gallons/min)
0.6 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
0.5
Flow Rate @ 55 F Rise (gallons/min)
0
Flow Rate @ 65 F Rise (gallons/min)
0
Fuel Type
Electric
Heat Exchanger Warranty
2 Year
Indoor/Outdoor
Indoor,Outdoor
Maximum Temperature (F)
130
Minimum Activation Rate (gpm)
0.5
Minimum Temperature (F)
65
Product Weight (lb.)
3.4lb
Required Volt Connection
110 volt
Returnable
90-Day
Uniform Energy Factor
0
Water Heater Features
Overheat Protection,Wall Mountable
Wattage (watts)
3000
Wattage (watts)
3000

Warranty / Certifications

Certifications and Listings
1-UL Listed
Labor Warranty
No Warranty
Part Warranty
2 Year

Specifications

Dimensions

Product Depth (in.)
3.55
Product Height (in.)
7.29
Product Width (in.)
11.82
Water Connection Size (in.)
0.5

Details

Amperage (amps)
27
Application Type
Point of Use
Electric Product Type
Point of Use
Finish Family
White
Flow Rate @ 35 F Rise (gallons/min)
0.6 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
0.5
Flow Rate @ 55 F Rise (gallons/min)
0
Flow Rate @ 65 F Rise (gallons/min)
0
Fuel Type
Electric
Heat Exchanger Warranty
2 Year
Indoor/Outdoor
Indoor,Outdoor
Maximum Temperature (F)
130
Minimum Activation Rate (gpm)
0.5
Minimum Temperature (F)
65
Product Weight (lb.)
3.4lb
Required Volt Connection
110 volt
Returnable
90-Day
Uniform Energy Factor
0
Water Heater Features
Overheat Protection,Wall Mountable
Wattage (watts)
3000
Wattage (watts)
3000

Warranty / Certifications

Certifications and Listings
1-UL Listed
Labor Warranty
No Warranty
Part Warranty
2 Year

Questions & Answers

It has two switches. What are they for? Perhaps they are for two elements? ATB

It has two switches. What are they for? Perhaps they are for two elements? ATB
Asked by: cv6
the 2 black switches are for the heating elements, if they are both down, it is off, if the left one is up, the water temp. is on low, if they are both up, the water is hotter. I got mine for a camp and works great. I think if you are using it daily in a house, you should upgrade to the next one.
Answered by: bdj
Date published: 2018-02-15

What is the tank material?

Asked by: Larry
Read the info on the Home Depot and Atmor websites. High impact plastic.
Answered by: Clockman
Date published: 2018-05-04

electric tankless hot water heaters still use electricity when not in use ?? Meaning still plu...

electric tankless hot water heaters still use electricity when not in use ?? Meaning still plugged in
Asked by: Langhorn
no, only comes on when faucet is turned on
Answered by: john
Date published: 2018-11-15

Can this be used to heat up Bestway 10X18 above ground pool?

Can this be used to heat up Bestway 10X18 above ground pool?
Asked by: Ambesa
No
Answered by: Clockman
Date published: 2018-11-14
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Customer Reviews

Single Sink 3kW/110V Electric Tankless Water Heater 0.5 GPM, Pressure Relief Device, 0.5 GPM Aerator, Instant Hot Water is rated 2.6 out of 5 by 67.
Rated 1 out of 5 by from I have two of these, professionally installed by licensed contractors. They both just stopped wor... I have two of these, professionally installed by licensed contractors. They both just stopped working within 6 months of the 2 year warranty expiring.
Date published: 2019-01-09
Rated 1 out of 5 by from bought two of these, worked for a few times.called customer service no return calls.One and only ... bought two of these, worked for a few times.called customer service no return calls.One and only time I talked to Mike he said they have a warehouse and offices, no spare parts, no place to send for repairs.Units are made in China and they don't do repairs.These are junk do not buy.I am stuck with two units that are broken.
Date published: 2019-01-08
Rated 1 out of 5 by from It does not heat the water very well and I... It does not heat the water very well and I the aerator was too small so the heater would not turn on
Date published: 2019-01-01
Rated 1 out of 5 by from Does not cut on with a .5GPM aerator -- Change to a 1GPM and the water is not hot enough Does not cut on with a .5GPM aerator -- Change to a 1GPM and the water is not hot enough
Date published: 2018-12-18
Rated 1 out of 5 by from This product does a very poor job of heating water for my bathroom sink. It is slow to warm up th... This product does a very poor job of heating water for my bathroom sink. It is slow to warm up the water and when it does, it is a very minimal increase in temperature. It definitely does not increase the temperature the amount which the specifications say. I would highly suggest not purchasing this product.
Date published: 2018-12-04
Rated 1 out of 5 by from Very very weakI'm returning it!... Very very weakI'm returning it!
Date published: 2018-10-31
Rated 1 out of 5 by from switch is not working, not turning on.... switch is not working, not turning on.
Date published: 2018-09-23
Rated 1 out of 5 by from so far it is not heating water, have to have... so far it is not heating water, have to have worker back to see what the problem is
Date published: 2018-09-22
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