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8.4 GPM Liquid Propane Gas High Efficiency Outdoor Tankless Water Heater
  • Rheem
  • Model ECOH160XLP-1
  • Internet #206934572
  • Store SO SKU #

8.4 GPM Liquid Propane Gas High Efficiency Outdoor Tankless Water Heater

$120133 /each
Discontinued Model:

Model # ECOH160XLP

Internet #203404945

Store SO SKU #1000238995

Rheem EcoSense 8.4 GPM Liquid Propane Gas High Efficiency Outdoor Tankless Gas Water Heater

Discontinued Rheem EcoSense

8.4 GPM Liquid Propane Gas High Efficiency Outdoor Tankless Gas Water Heater

  • Same-day installation in most areas. Call 1-855-400-2552 by noon.
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Product Overview

The Rheem EcoSense 8.4 GPM 157,000 BTU Liquid Propane Gas Condensing Tankless Water Heater offers a reliable source for a variety of residential hot-water applications. It is highly energy efficient and features a durable 157,000 BTU burner that heats water only when it's needed. This Outdoor, tankless water heater is rated for low NOx emissions and features an overheat limiter for safe operation. It is Energy Star qualified for enhanced energy and cost savings. Please click 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 number based on your application support type and demographic area for water temperature.

  • 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 to 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
  • 0.92 energy factor meets or exceeds minimum energy efficiency standards
  • Remote digital display shows precise temperature setting and maintenance codes
  • ENERGY STAR qualified to meet or exceed federal guidelines for energy efficiency
  • Ability to link two like units together for high demand applications with the EZ-link cable (sold separately)
  • Up to 94% efficient - lowest operating cost
  • Hot start programming helps to minimize fluctuation in water temperature during periods of frequent on/off operation
  • 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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Product Depth (in.)
Product Height (in.)
Product Width (in.)
Vent diameter (in.)
Water Connection Size (in.)


Application Type
Automatic Shut-off
Electric Product Type
Commercial & Residential
Energy Factor
Finish Family
Flow Rate @ 35 F Rise (gallons/min)
Flow Rate @ 45 F Rise (gallons/min)
Flow Rate @ 55 F Rise (gallons/min)
Flow Rate @ 65 F Rise (gallons/min)
Fuel Type
Gas Connection Size
Gas Type
Liquid Propane
Gas Type
Liquid Propane
Maximum Temperature (F)
Minimum Activation Rate (gpm)
Minimum Temperature (F)
Pilot Light
Product Weight (lb.)
Total BTU
157000 Btu
Vent Type
Single Wall
Water Connection Location
Water Heater Features
Ultra LoNox

Warranty / Certifications

Certifications and Listings
1-UL Listed,CSA Listed
Labor Warranty
1 Year
Part Warranty
5 Year

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Customer Questions & Answers

Does it run on 120v or 240v power?

Asked by: Jwatson87
This water heater requires 120v household current to operate.
Answered by: Rheem
Date published: 2016-09-12

What type and size would you recommend for a 2 shower + kitchen summer cottage without laundry facilities. Outdoor and using propane gas. Thanks!

Asked by: Sally
You can use the ECO150XLP-3
Answered by: Rheem
Date published: 2016-09-12

What size tankless gas water heater would I need to run 2.5 bathrooms, laundry, & kitchen?

Asked by: BEN
You can use the ECO-180XLP.
Answered by: Rheem
Date published: 2016-08-06

Can this be used with a 20lb propane tank?

With the correct adapters, is it possible for this water heater to be run from a 20lb propane tank? I'll eventually connect it to my 500 gallon tank, but just wanted to connect it to the 20lb tank for a few months.
Asked by: Anonymous
Consult with the National Fuel and Gas Codes to see if it is allowable.
Answered by: Rheem
Date published: 2016-02-16
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Customer Reviews

8.4 GPM Liquid Propane Gas High Efficiency Outdoor Tankless Gas Water Heater is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from Rheem ecosense Niiiiicccccceeeeeeeeeeee.. I really love this thing. The install was a breeze
Date published: 2016-05-10
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