Internet #206934770

Model # ECO180XLN3-1

Store SKU #1001770086

0020352670911

Performance Plus 8.4 GPM Natural Gas Outdoor Tankless Water Heater

  • Delivers continuous hot water
  • Compact space saving design
  • Call for an Installation Quote at 1-855-400-2552
$ 898 00
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Frequently Bought Together

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Product Overview

  • Delivers continuous hot water
  • Compact space saving design
  • Call for an Installation Quote at 1-855-400-2552
The Rheem ECO180XLN3-1 Outdoor Natural Gas Tankless Water Heater can provide up to 8.4 GPM at a 35° temperature rise. The 180,000 BTU Natural Gas Tankless Water Heater is designed to supply continuous hot water for up to 2 or 3 bathrooms at the same time. It heats water only when it's needed and has a 0.82 energy factor. This compact heater exceeds the requirements for many utility rebate programs. It comes with a remote digital thermostat that can be installed in almost any convenient area of the house. This heater's outdoor design requires no additional venting and features freeze protection to -30°F. This model can be used at elevations up to 9,840 ft. above sea level. Please see the specifications to view the Rheem Brochure Guide which will help you in your buying decision to ensure that you purchase the right tankless water heater model for your household needs.
  • Outdoor tankless gas water heaters require no additional venting
  • A 8.4 GPM tankless water heater at a 35° temperature rise can provide enough hot water to supply a 2-3 bathroom home
  • Tankless gas water heaters heat water on demand, saving energy compared to many standard gas tank-type water heaters
  • 12-year limited warranty on heat exchanger and 5-year limited warranty on parts
  • 0.81 uniform energy factor meets or exceeds minimum energy efficiency standards
  • Remote digital display shows precise temperature setting and maintenance codes
  • Ability to link 2 like units together for high demand applications with the EZ-link cable (sold separately)
  • Hot start programming helps to minimize fluctuation in water temperature during periods of frequent on/off operation
  • High-altitude capability up to 8,4000 ft. elevation about sea level
  • Environmentally friendly ultra-low NOx burner meets SCAQMD rule 1146.2 requirements
  • Installs outside for easy replacement of your existing outdoor unit and frees up space inside



  • Click here to check out our buying guide on water heaters
  • Note: product may vary by store
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Product Overview

  • Delivers continuous hot water
  • Compact space saving design
  • Call for an Installation Quote at 1-855-400-2552
Model #: ECO180XLN3-1
Sku #: 1001770086
Internet #: 206934770

The Rheem ECO180XLN3-1 Outdoor Natural Gas Tankless Water Heater can provide up to 8.4 GPM at a 35° temperature rise. The 180,000 BTU Natural Gas Tankless Water Heater is designed to supply continuous hot water for up to 2 or 3 bathrooms at the same time. It heats water only when it's needed and has a 0.82 energy factor. This compact heater exceeds the requirements for many utility rebate programs. It comes with a remote digital thermostat that can be installed in almost any convenient area of the house. This heater's outdoor design requires no additional venting and features freeze protection to -30°F. This model can be used at elevations up to 9,840 ft. above sea level. Please see the specifications to view the Rheem Brochure Guide which will help you in your buying decision to ensure that you purchase the right tankless water heater model for your household needs.

  • Outdoor tankless gas water heaters require no additional venting
  • A 8.4 GPM tankless water heater at a 35° temperature rise can provide enough hot water to supply a 2-3 bathroom home
  • Tankless gas water heaters heat water on demand, saving energy compared to many standard gas tank-type water heaters
  • 12-year limited warranty on heat exchanger and 5-year limited warranty on parts
  • 0.81 uniform energy factor meets or exceeds minimum energy efficiency standards
  • Remote digital display shows precise temperature setting and maintenance codes
  • Ability to link 2 like units together for high demand applications with the EZ-link cable (sold separately)
  • Hot start programming helps to minimize fluctuation in water temperature during periods of frequent on/off operation
  • High-altitude capability up to 8,4000 ft. elevation about sea level
  • Environmentally friendly ultra-low NOx burner meets SCAQMD rule 1146.2 requirements
  • Installs outside for easy replacement of your existing outdoor unit and frees up space inside



  • Click here to check out our buying guide on water heaters
  • Note: product may vary by store
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Info & Guides

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Compare Similar

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Brand Rheem Rheem Rheem Rheem
Name Performance Plus 8.4 GPM Natural Gas Outdoor Tankless Water Heater Performance Plus 9.5 GPM Natural Gas Indoor Tankless Water Heater Commercial 9.5 GPM Natural Gas High Efficiency Indoor Tankless Water Heater Performance Platinum 9.9 GPM Natural Gas High Efficiency Indoor Recirculating Tankless Water Heater
Price
$898.00
$1,020.00
Was $1,528.00
$1,299.99
Save $228.01 (15%)
$1,329.00
Ratings (222) (223) (6) (369)
Gas Type Natural Gas Natural Gas Natural Gas Natural Gas
Flow Rate @ 45 F Rise (gallons/min) 6.7 7.4 8.4 7.7
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Specifications

Dimensions

Product Depth (in.)
8.875
Product Height (in.)
23.625
Product Width (in.)
13.875
Vent diameter (in.)
0.0
Water Connection Size (in.)
0.75

Details

Application Type
Residential
Commercial/Residential
Residential
Finish Family
Gray
Flow Rate @ 35 F Rise (gallons/min)
8.4 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
6.7
Flow Rate @ 55 F Rise (gallons/min)
5.4
Flow Rate @ 65 F Rise (gallons/min)
4.5
Fuel Type
Gas
Gas Connection Size
0.75
Gas Type
Natural Gas
Heat Exchanger Warranty
12 Year
Indoor/Outdoor
Outdoor
Maximum Temperature (F)
140.0
Minimum Activation Rate (gpm)
.40
Minimum Temperature (F)
85
Product Weight (lb.)
54lb
Required Volt Connection
120 volt
Returnable
90-Day
Total BTU
180000 Btu
Uniform Energy Factor
0.81
Vent Type
Single Wall
Water Heater Features
Ultra LoNox
Wattage (watts)
0

Warranty / Certifications

Labor Warranty
1 Year
Part Warranty
5 Year

Specifications

Dimensions

Product Depth (in.)
8.875
Product Height (in.)
23.625
Product Width (in.)
13.875
Vent diameter (in.)
0.0
Water Connection Size (in.)
0.75

Details

Application Type
Residential
Commercial/Residential
Residential
Finish Family
Gray
Flow Rate @ 35 F Rise (gallons/min)
8.4 gal (US)/min
Flow Rate @ 45 F Rise (gallons/min)
6.7
Flow Rate @ 55 F Rise (gallons/min)
5.4
Flow Rate @ 65 F Rise (gallons/min)
4.5
Fuel Type
Gas
Gas Connection Size
0.75
Gas Type
Natural Gas
Heat Exchanger Warranty
12 Year
Indoor/Outdoor
Outdoor
Maximum Temperature (F)
140.0
Minimum Activation Rate (gpm)
.40
Minimum Temperature (F)
85
Product Weight (lb.)
54lb
Required Volt Connection
120 volt
Returnable
90-Day
Total BTU
180000 Btu
Uniform Energy Factor
0.81
Vent Type
Single Wall
Water Heater Features
Ultra LoNox
Wattage (watts)
0

Warranty / Certifications

Labor Warranty
1 Year
Part Warranty
5 Year

Questions & Answers

I'm considering installing this unit on my home in south east Kansas. I currently have a traditio...

I'm considering installing this unit on my home in south east Kansas. I currently have a traditional tank style in the far back corner but in an upcoming renovation I'd rather use that space differently. My concern is freezing pipes when they're ran outside. Will this work? What should I do to prevent this? Everything I've read is 'drain the pipes when it freezes' which isn't practical around here. It snowed yesterday and now it's in the 50's.
Asked by: lowejoshua51
The pipes must be protected. It is also a good idea to drain the heat exchanger inside the unit also. I did this by installing a boiler drain beneath the hot water outlet pipe. When it freezes, I shut off the water going into the unit and open the boiler drain faucet and drain the inside of the unit. Really quick when you need to do it.
Answered by: Johnny
Date published: 2018-10-31

I am replacing a 40,000 BTU 50 Gallon gas water heater. Can I use the existing exhaust vent that...

I am replacing a 40,000 BTU 50 Gallon gas water heater. Can I use the existing exhaust vent that exits through the roof of the house?
Asked by: Mick
CAT what does when installed properly mean. The reason I ask is that the specs listed below the picture of the unit call for a 5" single wall vent, yet another spec listed on the side list where the install guide, installation etc. calls for a 5" double wall concentyic vent???????
Answered by: Ted
Date published: 2019-07-06

Can i install this in my garage?

Asked by: Miggy
My guess is you will want an indoor version of this model if its in your garage, not this outdoor version.
Answered by: MIkeinAZ
Date published: 2019-01-16

Can it be installed in a garage where the old one currently is

Asked by: Linda
Yes, I had one simular that broke down and I switched it out with no problem
Answered by: Ladd
Date published: 2018-11-08
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