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8.4 GPM Liquid Propane Gas Mid Efficiency Indoor Tankless Water Heater
  • Rheem
  • Model ECO180DVLP3-1
  • Internet #206934750
  • Store SO SKU #

8.4 GPM Liquid Propane Gas Mid Efficiency Indoor Tankless Water Heater

$84768 /each
Discontinued Model:

Model # ECO180DVLP3

Internet #203213754

Store SO SKU #1000067405

Rheem EcoSense 8.4 GPM Liquid Propane Gas Mid Efficiency Indoor Tankless Gas Water Heater

Discontinued Rheem EcoSense

8.4 GPM Liquid Propane Gas Mid Efficiency Indoor Tankless Gas Water Heater

  • Compact space saving design frees up valuable square footage
  • No standing pilot means less wasted energy
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.

Frequently Bought Together

Product Overview

The Rheem EcoSense ECO180DVLP3 Indoor Liquid Propane Gas Tankless Water Heater can provide up to 8.4 Gal. per minute at a 35° temperature rise. The 180,000 BTU Liquid Propane Gas Tankless Water Heater is designed to supply continuous hot water for up to 2 to 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 and also qualifies for the ENERGY STAR program. It comes with a remote digital thermostat that can be installed in almost any convenient area of the house. This heater's direct-vent design requires category III stainless steel venting (purchased separately). This model can be used at elevations up to 9,840 ft. above sea level. 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 for your household needs.

  • Saves more than $2,100 in energy costs over it’s lifetime (when compared to a standard propane gas 50 Gal. water heater with a .60 energy factor)
  • 12-year limited warranty on the heat exchanger when installed in a residential application and 5-year on parts
  • 1-year in-home labor warranty for peace of mind
  • Provides continuous hot water and increased energy savings in a compact space saving design
  • Great for homes with 2 to 3 bathrooms
  • Environmentally friendly ultra low-NOx burner meets California air quality management district requirements
  • Hot start programming helps to minimize fluctuation in water temperature during periods of frequent on/off operation
  • Includes an electronic control with digital display and digital remote control
  • Vents with 3 in. by 5 in. concentric vent system, sold separately
  • Supplied with a 120-Volt power cord
  • 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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Name 8.4 GPM Liquid Propane Gas Mid Efficiency Indoor Tankless Gas Water Heater 8.4 GPM Liquid Propane Gas High Efficiency Indoor Tankless Water Heater 8.4 GPM Natural Gas High Efficiency Indoor Tankless Water Heater 9.5 GPM Liquid Propane Gas High Efficiency Indoor Tankless Water Heater
Brand Rheem EcoSense Rheem Rheem Rheem
Ratings (9) (1) (5) (17)
Eco Options Yes Yes Yes Yes
Total BTU 180000 Btu 157000 Btu 157000 Btu 199900 Btu
Indoor/Outdoor Indoor Indoor Indoor Indoor
Gas Type Liquid Propane Liquid Propane Natural Gas Liquid Propane
Flow Rate @ 45 F Rise (gallons/min) 6.7 6.6 6.6 8.4
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Warranty / Certifications

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Customer Questions & Answers

will this water heater work ok heating well water in NE Pa (water temp from well is about 50 F ??

Asked by: JP
We have well water here in PA and our water is hot at the 130 degree setting.
Answered by: 3countrypepl
Date published: 2016-02-02

what size circuit breaker needed?

does it use a 15 or 20 amp outlet?
Asked by: manny
The electric power supply requirement for this water heater is 120 VAC/60HZ, 2 Amps. The water heater comes with a three (3) pin power supply cord. Use only a power outlet with a ground terminal. The installation of an GFCI (Ground Fault Circuit Interrupter) is recommended.
Answered by: Rheem
Date published: 2016-04-09

Does this product need any Electcity to operate?

Asked by: chris
This unit uses an electrical connection.
Answered by: CommunityAnswer
Date published: 2016-03-19

Can this be plumbed to a hot water coil in a furnace with the furnace used as a preheater?

Asked by: raphael
You can only use the Rheem tankless gas unit with the Rheem approved air handler for home heating.
Answered by: Rheem
Date published: 2016-08-11
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Customer Reviews

8.4 GPM Liquid Propane Gas Mid Efficiency Indoor Tankless Gas Water Heater is rated 4.7 out of 5 by 9.
Rated 4 out of 5 by from Pretty happy with it The tankless heater is a god bit more complex to install than a conventional heater due to the need for 3/4" gas and water plumbing but especially due to the 3/5 SS vent pipe required. WHY, HOME DEPOT, do you not carry the SS Cat III venting required for this heater? And WHY, HOME DEPOT do you not carry 180K BTU appliance lines? The lack of these items in your inventory means I had to go to YOUR COMPETITOR for them. But the install went off ok after I purchased the necessary materials from HD's competitor. The heater runs well. You cannot identify any difference at the faucet from a conventional heater. Looking forward to saving on my propane bill.
Date published: 2013-10-18
Rated 5 out of 5 by from Working fine so far. This tankless water heater serves a kitchen, laundry room and full bath. We have had plenty of hot water for all needs.
Date published: 2013-06-24
Rated 5 out of 5 by from We like it. Plenty of hot water We've been using this water heater for about a month now. Really happy with it. its summer now and keep the thermo set on 114f and have plenty of hot water. comes with easy manual. best part its easy to handle and install and it only heats what ya need. I live in West Texas and our water is extremely hard. I highly recommend a water softener installed upstream of this unit and maybe a small inline filter if you have dirty water or well use. it does have a built in cleanable filter though. I went with propane after a January ice storm left us without hot water for 5days. this unit needs 120v for use. but draws small amperage for generator use. im running 3 faucets and 3 showers.
Date published: 2015-07-01
Date published: 2014-08-26
Rated 5 out of 5 by from Great product, very satisfied with results While the install was quite a challenge working on a hot roof and in a hot attic, I'm very happy having taken the extra challenge to replace my water heater with a tankless. The special stainless venting is the hardest part to get just right but worth the effort. Endless hot water and a large savings in propane to boot.
Date published: 2013-08-06
Rated 5 out of 5 by from Plenty of hot water. Bought this to replace an electric tank water heater hoping it will save on energy usage. Our certified installer didn't have much trouble until we had to get a vent pipe to go thru the wall. Home Depot does NOT carry the vent pipe either in store nor online. So one must go to Amazon to find one. Cost was about $89 but with expedited shipping ended up over $100. Still was without hot water for 9 days. Why does Home Depot not sell the vent pipe that must be used with this Rheem heater?!! We searched other stores in our area and no one carried this size vent pipe. We do, however, now have plenty of hot water. We had to set the thermostat to 130 to get enough hot water for dishwasher. Just hope it will save on energy usage.
Date published: 2015-12-20
Rated 4 out of 5 by from ok, but make sure you have everything got the water heater, going to install it over the weekend, come to find out, that the 3/5 inch vent hose is extremely hard to procure around here, so had to wait another week.
Date published: 2013-04-30
Rated 5 out of 5 by from Lots of hot water Took 8 days to get the vent pipe that fit this Rheem heater. Which Home Depot does Not carry in store nor online. Shame on u Home Depot! Had to order from Amazon. But once we received the vent installation went smoothly and we have plenty of hot water. Hope this will save on energy usage over time.
Date published: 2015-12-19
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