• Manufacturer: Marey
  • SKU: ECO180
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  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
  • Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box
Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box

$ 249.00
+
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If ordered by 12PM EST

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Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box

Marey ECO180 provides 18 kW of power, being the perfect solution for a whole house application. This unit provides 36° F increase at 4.0 GPM, allowing you to have up to 3 points of use running simultaneously in hot climates. Check the temperature map for more information. Tankless water heaters provide an efficient hot water solution eliminating the stand-by energy consumption of conventional tank units.

  • Compact design: saves space
  • Requires very little water pressure to activate
  • Simple to operate and easy to adjust
  • ETL approved
  • No pre-heating
Overview (Right Column)
100% certified by the manufacturer
Guaranteed to work like new
5 year manufacturer warranty
Authorized Marey dealer
Ships from the manufacturer in FL


Like new condition.  Most open box units are returns that have never been used.  Ships from the manufacturer in FL. Includes same 5 year warranty as new units. For an expedited shipping quote, please give us a call.

Features (Left Column)
  • ETL approved
  • German technology
  • Patent and innovative technology
  • TPCS thermodynamic cycle system
  • Terminator of the limescale
  • Aluminum magnesium alloy casting body
  • Stainless steel aqueduct
  • Imported stainless steel
  • Insulated heat-conducting magnesium powder.
  • Nickel-chromium heating element.
  • The only one in the market that doesn’t get sediments.
  • Compliant with Department of Energy electric tankless water heater requirements
Features (Right Column)
  • Smart technology that avoids excess temperature waste
  • Adjusts to your tankless water heating needs
  • The only tankless water heater in the market which is not prone to sediment buildup
  • Compact design allows for easy installation in any home
  • German tankless water heating technology
  • Saves water and uses up to 60% less electricity than conventional tank water heaters, making it cost-effective and eco-friendly
  • Patented heating elements design ensures long lifetime
  • Smart technology that avoids the excess temperature waste to any hot water point of use
  • Excellent customer service support and 5 year warranty
  • Our electric tankless water heater uses SMART technology by only applying the power needed to heat the water to the desired temperature, maximizing energy savings
Product Specifications (Left Column)
  • Voltage: 220V - 240V
  • Power:18KW
  • Minimum Required Breaker Size:2 x 50A
  • Maximum Amperage:75A
  • Recommended Wire Size: 2 x 8 AWG Copper
  • Minimum Flow to Activate Unit:.85 GPM/ 3.2L per minute
  • Safe Operating Pressure:5 PSI - 85 PSI
  • Water Connection: 3/4" NPT
  • Installation:Mounted Vertically
  • Temperature Setting:Digital Panel
  • Dimensions:11" x 16.1" x 3.5"
  • Weight:17.7 lbs
Product Specifications (Right Column)
  • Flow Rate @ 35°F Rise: 4.0 GPM
  • Flow Rate @ 45°F Rise :3.0 GPM
  • Flow Rate @ 55°F Rise :2.5 GPM
  • Flow Rate @ 65°F Rise :2.0 GPM
  • Indoor or Outdoor Installation:Indoor


Package Contents:

  • Water Heater
  • Mounting Kit
  • Owner's manual
WARRANTY
This product comes with a 5 year factory warranty.
Manuals & Documentation

Customer Reviews

Based on 32 reviews
72%
(23)
16%
(5)
3%
(1)
6%
(2)
3%
(1)
R
R.R.
Great product and quick to fix my mistake!

The water heater works better than expected. Then, when we had a problem of our causing... They helped us fix it in minutes.

M
M.R.

Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box

M
M.S.

Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box (free upgrade to new unit)

R
R.H.
Installation & Distribution

Quick & E-Z to install.
Nicely compact.
Distributes hot 🔥 water 💦 to multiple points at the same time.
You can buy bigger but can't buy better for the investment/cost.

J
J.S.
Tankless water heater

It works great for a little while. Taking a shower it gets cold in the middle. You have to wait 2 mins before it warms up again and then a few mins later it's cold again. If there is a way to fix this please respond to me

Pay over time

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Financing Available

We provide easy and affordable financing through our partner, Bread, so you can pay for your purchase over time.

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Affordable Monthly Plans

Pay for your order over 12, 18, or 24 months at competitive interest rates*.

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No Prepayment Penalties

Pay for your purchase with monthly payments and prepay at any time without penalty.

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Quick and Easy Application

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GET MY RATE

Customer Reviews

Based on 32 reviews
72%
(23)
16%
(5)
3%
(1)
6%
(2)
3%
(1)
R
R.R.
Great product and quick to fix my mistake!

The water heater works better than expected. Then, when we had a problem of our causing... They helped us fix it in minutes.

M
M.R.

Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box

M
M.S.

Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box (free upgrade to new unit)

R
R.H.
Installation & Distribution

Quick & E-Z to install.
Nicely compact.
Distributes hot 🔥 water 💦 to multiple points at the same time.
You can buy bigger but can't buy better for the investment/cost.

J
J.S.
Tankless water heater

It works great for a little while. Taking a shower it gets cold in the middle. You have to wait 2 mins before it warms up again and then a few mins later it's cold again. If there is a way to fix this please respond to me

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