0020352612225

Rheem EcoSense

Model ECOH200DVLN

Internet #203404946

Store SKU #159953

Store SO SKU #1000067472

9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater

  • Easy to use intelligent electronic controls and sensors
  • No standing pilot means less wasted energy
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.

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Product Overview

The Rheem EcoSense ECOH200DVLN 9.5 GPM, 199,900 BTU Natural Gas Condensing Tankless Water Heater is designed to supply continuous hot water for up to 3 bathrooms at the same time. It heats water only when it's needed and features a 0.94 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 utilizes schedule 40 PVC for a flexible, low-cost venting installation. 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.

  • Schedule 40 PVC for easier venting installation
  • A 9.5 GPM tankless water heater at a 35 Degree temperature rise can provide enough hot water to supply a 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
  • 0.94 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 2 like units together for high demand applications with the EZ-link cable (sold separately)
  • Horizontal 3 in. vent termination kit SP20286 included with unit
  • Up to 94% efficient - lowest operating cost
  • 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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Customer Questions & Answers

72 Questions169 Answers

Customer Questions & Answers

9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater
9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater

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7 answers

Can I use a 1/2 inch gas pipe line to connect to the 3/4 inch Rheem tankless water heater using extension ?

This question is from 9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater
Asked by
NC
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September 30, 2015
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Answers (7)

Asked by
East Tennessee
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August 18, 2016
Answer: 
Not recommend; performance will suffer.
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Asked by
Marietta, GA
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Home Improvement Profile: DIYer
July 19, 2016
Answer: 
I would advise against using a gas feed less than the requirements of 3/4. This thing needs a strong flow of gas and air to burn hot enough to heat flowing cold water. Any modifications I am sure would impact the units capability and possibly damage it. I would run a 3/4 in gas line if your meter will support it.
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Asked by
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January 13, 2016
Answer: 
No, the gas lines for the Rheem tankless water heater must be ¾ inch.
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Asked by
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December 30, 2015
Answer: 
Mine works fine with a half inch! I just made sure I had correct gas pressure
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Asked by
Whiting, NJ
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October 23, 2015
Answer: 
Tony, do the gas flow calculation on page 52 of the instructions (available on-line), go to the table on page 54 to get the BTU/Hr vs. pipe size.
I suspect you'll need at least 3/4" for a short pipe run, 1" for an average run (40').
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Asked by
Bozeman, MT
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October 14, 2015
Answer: 
No. It is recommended that you use only the 3/4" minimum. You can check with your gas supplier for their recommendation on the length of pipe sizing in order to accommodate the 199,900 btu natural gas requirement. This may require you to upgrade your current pipe size.
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Asked by
Columbus, OH
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Home Improvement Profile: Professional
September 30, 2015
Answer: 
You must have 3/4 inch gas pipe for the entire run feeding to this Rheem tankless water heater. This unit generates 199,000 BTU so 1/2-inch gas pipe is NOT adequate.
In some cases you may need a 1-inch pipe from the gas meter to the point that the gas line starts to split up to feed other gas appliances in your home. This will depend on the number and type of gas devices you have in your home.
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6 answers

is the condensate outflow pumped or gravity flow

This question is from 9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater
Asked by
boulder colroado
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September 11, 2015
Mounting unit in crawlspace below sewer line. Is the outflow pumped like an appliance or gravity flow like an AC requiring a second additional pump to get it up tot he sewer line?
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Answers (6)

Asked by
East Tennessee
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August 18, 2016
Answer: 
Gravity flow. Use a condensate pump if you are below grade. Also don't forget the condensate trap on any horizontal runs. See manual.
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Asked by
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July 13, 2016
Answer: 
gravity
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Asked by
Whiting, NJ
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October 23, 2015
Answer: 
The condensate on my unit is a slow drip unless we're filling the bathtub. Then a small but steady stream comes out. It goes into a drain basin that gets pumped up to the septic tank. The volume of water is small but will eventually overflow a bucket.
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Asked by
Bozeman, MT
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October 14, 2015
Answer: 
Gravity flow only with "siphon break" as noted in the instruction manual. Easy to do.
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Asked by
East Northport, NY
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September 13, 2015
Answer: 
The condenation is bleed off by gravity, I hooked up a small pump (Little Giant condesate pump) below mine to remove the water build up. The cost was about $35 plus additional pvc pipe to remove the water outside.
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Asked by
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September 11, 2015
Answer: 
It is not pumped, it drains via gravity.
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5 answers

Will it continue to work during an electrical outage?

This question is from 9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater
Asked by
Flagstaff, AZ
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May 4, 2016
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Asked by
East Tennessee
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June 18, 2016
Answer: 
No; power is required.
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May 11, 2016
Answer: 
No, this unit won't work in a power outage.
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Asked by
Marietta, GA
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May 6, 2016
Answer: 
NO! If the electricity goes out the intake and exhaust fans will not work. So regardless of the fact it is fueled by natural gas, it will not come on. Also the gas lighter is electronic so it won't fire either. This is the major downside of this type of unit over a typical tank hot water heater! However, never running out of hot water has it's benefits!! I love the unit !
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Asked by
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May 6, 2016
Answer: 
No, unless you can supply a backup source if power. The unit requires 120V of power to run the electronics, internal flow sensors, fan and igniter.
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Asked by
Whiting, NJ
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May 5, 2016
Answer: 
Jack: The tankless hot water heater does need electricity to run, about 2 amps at 115 VAC. It's full of control electronics, mixing valves, blowers, and other electrical parts. It should run off a small generator, maybe even a good quality inverter.
Rob R.
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5 answers

I am looking to replace a power vented tank water heater. Will this one work?

This question is from 9.5 GPM Natural Gas High Efficiency Indoor Tankless Gas Water Heater
Asked by
Janesville, WI
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July 17, 2015
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Asked by
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January 13, 2016
Answer: 
To properly size a tankless water heater we will need to know every fixture in your house that uses hot water.
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Asked by
Bozeman, MT
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October 14, 2015
Answer: 
Yes, that is what I did in my home and this unit will work well for you.
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Asked by
Springfield, MA
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Home Improvement Profile: DIYer
August 2, 2015
Answer: 
Yes. In power vent, you are referring to a water tank with power vent exhaust pipe coming out the top and exhaust outside. That is exactly what I had and changed to this tank less model. This unit vents with pvc piping just like your power vent tank.
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Asked by
East Northport, NY
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July 27, 2015
Answer: 
You will have to install a venting system for a gas operated indoor tankless water heater. It's not a big deal if the unit is close to an exterior wall. It uses PVC pipe so you don't need a chimney.
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Asked by
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July 21, 2015
Answer: 
Depends on what you mean by "power vented". This is a direct vented unit, meaning it vents out the side wall of your house. If the one you have currently vents out a chimney (likely does) you will need to run the venting for it. Also power makes it sound like your previous one was electric, note this is a natural gas unit, not electric.
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