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

  • Model: Marey
  • SKU: ECO180
Marey ECO180 5.0 GPM Electric Tankless Water Heater Open Box (free upgrade to new unit)
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  • Manufacturer Direct
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  • Free Replacement Shipping
To place an order over the phone or for immediate assistance, please call (888) 978-4993. For after hours sales please call (888) 999-1522.

Open box - As brand new.   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.

Manufacturer Refurbished 100% certified by the manufacturer
Manufacturer Refurbished Guaranteed to work like new or your money back
Manufacturer Refurbished 5 year manufacturer warranty
Manufacturer Refurbished Authorized Marey dealer
Manufacturer Refurbished Ships out same or next business day


The smartest hot water solutions for the whole house.

  • Made with stainless steel cover guaranteeing long life to the product.
  • Adjusts to your needs: you can set up your desired output water temperature.
  • Compact and powerful.
  • Saves water and up to 60% less electricity than conventional tank water heater, making it cost-effective and environmentally friendly.
  • 5-year warranty.


- ETL approved.
- German technology.
- Patent and innovative technology.
- TPCS thermodynamic cycle system.
- Terminater of the limescale.
- Aluminium magnesium alloy casting body.
- Stainless steel aqueduct.
- Imported stainless steel.
- Insulated heat-conducting magnesium powder.
- Nickel-chromium heating element.
- Smart technology that avoids the excess temperature waste to any hot water point of use.
- The only one in the market that doesn’t get sediments.


  • Tankless Electric Water Heater
  • ETL approved
  • Compliant with Department of Energy electric tankless water heater requirements
  • 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
  • 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

The versatile 18Kw Electric Tankless Water Heater can be used with 100 Amps allowing for it to meet any hot water demand, while still being able to self-regulate to far lower amps for less demanding usage. Stainless steel in/outlets are corrosion resistant ensuring a long lifetime of high energy efficient performance. In addition to being one of the most energy efficient electric tankless water heaters in the market, the ECO180 is also extremely safe with a single piece multi-layer heat exchange which encases the water moving inside the heating element and preventing any possible contact with the element itself.

Marey products come with a 5 year manufacturer warranty.

Customer Reviews

Based on 23 reviews
My ECHO 180 works as advertised.
I like the look but hard to install
Great quality
Marey eco180 and this is a good report
ECO 1805.0 GPM Electric Tankless Water Heater

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