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Rheem Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
0020352625614

Rheem

Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater

  • Provides ample hot water for households with 2-4 people
  • Make sure it fits: measure your space to ensure dimensions fit
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.
$769.00 /each

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Product Overview

The Rheem Performance Platinum 40 Gal. Natural Gas Tall Water Heater comes with a 36,000 BTU/hour environmentally friendly ultra Low-NOx radiant burner that provides ample hot water for households with 2 to 4 people. The electronic ignition system eliminates the standing pilot light, saves energy and monitors system performance. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation. The water heater is ENERGY STAR qualified. This Rheem Performance Platinum model is Wi-Fi compatible allowing for remote monitoring of the water heater's operation (Wi-Fi Module REWRA631GWH sold separately).

California residents: see   Proposition 65 information

  • California residents: this water heater meets or exceeds ultra-low NOX (ULN) emissions requirements for all air quality management districts
  • REQUIRES STANDARD 110-VOLT ELECTRICAL OUTLET (3-PRONG GROUNDED) FOR INSTALLATION
  • 40 Gal. tank provides ample hot water for households with 2 to 4 people
  • Natural gas water heater costs less to operate than electric models
  • Delivers 71 Gal. of hot water in the first hour
  • 12-year limited warranty on tank and parts for your convenience
  • 3-year in home labor warranty for peace of mind
  • 0.68 energy factor indicates an energy star qualified water heater
  • Maintenance free - no filter to clean or replace
  • Electronic ignition system simplifies the startup process and eliminates the need for a pilot light
  • Electronic diagnostic gas valve monitors system performance
  • Ultra low-NOx burner reduces emissions and meets California air quality management district requirements
  • Rated for installations up to 10,200 ft.
  • Designed for easy replacement of your existing water heater
  • Call 1-855-400-2552 before noon for same-day service in most areas, or Visit our Water Heater Installation page for more information.
  • Meets 2015 NAECA Standards



  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name Performance Platinum 40 Gal. Tall 12 Year 40,000 BTU High Efficiency Natural Gas Water Heater Performance Platinum 38 Gal. Tall 12 Year 40,000 BTU ENERGY STAR Natural Gas Water Heater Performance Platinum 38 Gal. 12 Year 38,000 BTU High Efficiency Ultra Low-NOx Natural Gas Water Heater Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
Brand Rheem Rheem Rheem Rheem
Ratings (573) (356) (7) (207)
Tank Capacity (gallons) 40 38 38 40
Water Heater Profile Tall Tall Tall Tall
Part Warranty 12 Year 12 Year 12 Year 12 Year
Gas Type Natural Gas Natural Gas Natural Gas Natural Gas
Product Height (in.) 60.25 57.75 58 60
Water Heater Features LoNox,Overheat Protection,Pilot Light Window,Pilot Reset Button,Self Cleaning,Temperature Pressure Relief Valve LoNox,Overheat Protection,Self Cleaning,Temperature Pressure Relief Valve,WiFi Overheat Protection,Pilot Light Window,Pilot Reset Button,Self Cleaning,Temperature Pressure Relief Valve,Ultra LoNox Overheat Protection,Self Cleaning,Temperature Pressure Relief Valve,Ultra LoNox,WiFi
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Customer Questions & Answers

19 Questions34 Answers

Customer Questions & Answers

Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater

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5 answers

How long is the electrical cord?

This question is from Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
Asked by
California
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May 1, 2016
It requires an electrical outlet. I will have to have an outlet installed. So, how long is the electrical cord?
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Answers (5)

Asked by
Oakland, CA
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Home Improvement Profile: DIYer
May 31, 2016
Answer: 
Just got mine. It's a generous 19 feet!
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Asked by
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May 4, 2016
Answer: 
The chord for this unit is approximately 19 feet long.
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Asked by
Moreno Valley, CA
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Home Improvement Profile: DIYer
May 2, 2016
Answer: 
The cord run from the top of the water heater. and is 19 foot long per the manual. . The manual states that a 30 foot cord is assembly is available as an accessory.
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May 2, 2016
Answer: 
The cord is an 8' electrical cord.
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Asked by
Desert springs
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May 2, 2016
Answer: 
At least ten feet. It runs down the side of the water heater - about 4 feet - then about 4 feet across the garage to a door, up over a door (door to the inside of the house from the garage), across the top of the door and then down about 3 feet to the electrical outlet (plug).
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3 answers

If this is a natural gas water heater, why does it need to be plugged in? Does it spend as much electricity as electric

This question is from Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
Asked by
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March 10, 2016
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Asked by
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October 27, 2016
Answer: 
No, it would use a very small amount of electricity compared to an electric water heater. This unit needs to be plugged in because it is both a)ultra low NOx (which means it is low emissions which keeps our air cleaner) and b) highly energy efficient. From my research, whatever they have to do to a water heater to make it low NOx makes it harder to also make it energy efficient. However, it isn't Read More
No, it would use a very small amount of electricity compared to an electric water heater. This unit needs to be plugged in because it is both a)ultra low NOx (which means it is low emissions which keeps our air cleaner) and b) highly energy efficient. From my research, whatever they have to do to a water heater to make it low NOx makes it harder to also make it energy efficient. However, it isn't impossible and there are several different ways that they can improve its energy efficiency even though it is low NOx. All of these workarounds (stuff like adding a fan, etc.) requires that the water heater be plugged in to a standard 110 volt outlet. This is hard on those of us who don't already have an outlet near the water heater, but that's how it is. Read Less
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Asked by
North Hollywood
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March 15, 2016
Answer: 
The pilotless design uses an electronic ignition to light pilot only when tank needs main burner to fire. It also has an electro-mechanical actuated damper to shut off heat escaping from core when burner is not on. Uses very little electricity to perform these functions.
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Asked by
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March 14, 2016
Answer: 
You need an power source for this unit due to the Electronic ignition system. It simplifies the startup process and eliminates the need for a pilot light. Also, the
Electronic diagnostic gas valve monitors system performance.
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3 answers

Is it true this unit can not be installed near a washer or dryer?

This question is from Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
Asked by
California
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October 19, 2015
I was told this unit could not be installed within 10 feet of a washer or dryer.
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Asked by
Moreno Valley, CA
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May 2, 2016
Answer: 
I installed mine at the location of my old water heater which is within a few feet of were the
washer and dryer are located. If your old water heater is located in an area closer to your
washer and dryer I find nothing the manual that states not to install it within 10 feet of your
washer and dryer.
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Asked by
Bakersfield, CA
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March 5, 2016
Answer: 
I am told by Rheem tech support that the fv sensor may trigger and shut off the gas if certain chemicals used in cleaning solutions are detected. If you use something in your wash that you have not used before and the gas shuts off then call Rheem and get their reset procedure. If that does not work then the fv sensor may have become saturated and needs to be replaced. Avoid using organic cleaning fluids Read More
I am told by Rheem tech support that the fv sensor may trigger and shut off the gas if certain chemicals used in cleaning solutions are detected. If you use something in your wash that you have not used before and the gas shuts off then call Rheem and get their reset procedure. If that does not work then the fv sensor may have become saturated and needs to be replaced. Avoid using organic cleaning fluids near the water heater. If you have used your machine in close proximity and have not had a problem and do not intend to change the chemicals you use then you should be ok. Read Less
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Asked by
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January 13, 2016
Answer: 
No, that is not true. The only concerns would be that there is adequate airflow into the room where the water heater and dryer would be. If the air flow into the room is marginal and the dryer is on it may starve the water heater for fresh air and put the pilot out.
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3 answers

Picture shows no Dielectic valve used, Brass to Galvanized Steel SharkBite. Wont that corrode due to electrolytic process, dissimilar metals?

This question is from Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater
Asked by
Anonymous
North Canton
July 15, 2015
Picture shows no Dielectic valve used, Brass to Galvanized Steel SharkBite. Wont that corrode due to electrolytic process, dissimilar metals?
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Asked by
North Hollywood
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March 16, 2016
Answer: 
The "shark bite" referenced in the question refers (incorrectly, as the pictured connection stainless steel connection hose has a brass female 3/4 fitting attached to galvanized nipple coming from the water heater) to a name brand type of threadless connector used primarily on pex hose, but does have threaded applications. Oftentimes a brass fitting is used to transition from copper to galvanized Read More
The "shark bite" referenced in the question refers (incorrectly, as the pictured connection stainless steel connection hose has a brass female 3/4 fitting attached to galvanized nipple coming from the water heater) to a name brand type of threadless connector used primarily on pex hose, but does have threaded applications. Oftentimes a brass fitting is used to transition from copper to galvanized threaded pipe to lessen dielectric issues. Read Less
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Asked by
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December 14, 2015
Answer: 
We are unclear about what “Brass to Galvanized Steel SharkBite” you are talking about.
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Asked by
Moreno Valley, CA
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July 30, 2015
Answer: 
If you put two metals together in water, one of them corrodes to protect the other. This is known as electrolysis. The action of a sacrificial anode rod, and that of a battery, are both examples of beneficial electrolysis. However, usually in plumbing, electrolysis is something you want to avoid, especially in connections, since it means that the corroding part is eventually going to leak.
To prevent Read More
If you put two metals together in water, one of them corrodes to protect the other. This is known as electrolysis. The action of a sacrificial anode rod, and that of a battery, are both examples of beneficial electrolysis. However, usually in plumbing, electrolysis is something you want to avoid, especially in connections, since it means that the corroding part is eventually going to leak.
To prevent plumbing electrolysis, dielectric connections are used to separate dissimilar metals. The photo show the water heater the way you receive it at time of purchase.
One ways to do that. is by using 3/4-inch copper flex line. These are fairly commonly used on residential water heaters. Or one can use stainless steel flex lines which I prefer to use. Read Less
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Customer Reviews

Performance Platinum 40 Gal. Tall 12 Year 36,000 BTU ENERGY STAR Ultra Low NOx Natural Gas Water Heater is rated 4.3 out of 5 by 207.
Rated 4 out of 5 by from Great buy on a slow mover discounted product Installation was very straightforward. Powered damper and non pilot ignition system require 110 plug in within 18 feet. Purchased a floor demo for almost half off, but did not realize the ignitor wire had been pulled out. Once installed, would not fire up and showed LED error code of ignition problem. Called Rheem and explained problem. They overnighted a new ignition assembly and installation took about 25 minutes. Heater fired up and providing ample hot water. An energy saver as no pilot and dampered exhaust to retain heat around core of tank when burner is not active. Very quiet too. Rheem has stood behind their product admirably.
Date published: 2016-03-15
Rated 1 out of 5 by from Defective control valve and fv sensor Fume and vapor sensor and control valve had to be replaced after only 3 months of operation. Had to have installer back 3 times to do the repairs.
Date published: 2016-10-28
Rated 4 out of 5 by from Energy Star Performer Initially the unit would not start up due to a faulty flammable-vapor detector. Rheem's local contract plumber came out and replaced the bad component within a day and a half, and the unit has performed flawlessly ever since (in service now 15 months). It has no noticeable impact on our electric bill, and on standby at 120-125 degrees appears to use less than 0.1 therms of gas/day. It is very quiet when heating. The installation involved adding an electrical outlet and modifying the plumbing (it is shorter and wider than the previous unit), which was most of the work. Installation of the water heater itself was easy.
Date published: 2016-12-28
Rated 3 out of 5 by from Great product with one flaw Bought this a year ago and performance wise I have had no issues. Easy to install and set up. It works perfectly but there is one major set back. It must be connected to an electrical outlet at all times. Trust me when I say that if there is NO POWER then it DOES NOT WORK! If you accidently disconnect it or you have a power outage then the water heater will cease to work until power is restored. I do not like and agree with this feature. When I purchased it at Home Depot, they failed to mention this to me and I thought the power was just for some advanced feature but it is not. The electrical plug sends power to the unit and it controls the igniter to start the burner.
Date published: 2017-01-10
Rated 1 out of 5 by from I Just Got Rheemed. Beware of Flammable Vapor Sensor Lockout I wish I can come back and favorably update this review at some point. I ordered this unit online and picked it up at the local HD. Ordering and pickup was awesome. I chatted online to get the right water heater for my area and decided on this. When you are out of hot water you move decisively. I probably should have read the reviews more closely because there appears to be a problem with the sensors on this unit which shut it down and is impossible to reignite. That is what happened to me. I purchased and installed the unit last night, got it filled and hot water was on its way. 12 hours later hot water is gone and I am stuck with a code saying the unit is "Lockout and that gasoline or other flammable vapor(s) were detected." There was nothing of the sort. No cleaning agents. Nada. Tried for hours to reignite using the instructions which is done by turning it of and on. I have had this unit 24 hours and it has cut out on me. I'm worried about intermittent shut offs during the ownership of this unit. I would like to return this if I can't get it started in the morning. Not happy. No hot water. Home Depot you should maybe not sell this unit. Rheem please tell me you have a solution for this. I do not want to have to disconnect and roll this thing into Home Depot or pay any more to get this to work. Not to mention the wasted 40 gallons of precious water that is scarce and expensive here in Southern California. The "LED Guide" is precious. Basically you can sum up each code solutions as "Replace part using qualified service technician." I just got Rheemed.
Date published: 2016-04-01
Rated 1 out of 5 by from Not high quality I bought this unit 4 months ago and the unit has failed twice in the past 3 weeks. I call technical support and they say to call the gas company to check the gas pressure, which the gas company has since said there was no problem with the pressure. I call support back and they say to clean this or do this and do that, with every day that passes no hot water. Finally I asked for them to give me a number to have a technician to come out and look which I have to schedule. If the unit was working fine for a few months and now failing intermittently there must be a bad part. Day 3 no hot water. I would return the unit if I could and I wish I would have read the customer reviews prior to purchasing, I recommend buying a different product if you have the option.
Date published: 2016-03-09
Rated 4 out of 5 by from Good product for the price (1) Only have the water heater installed for 10 days -- can't comment on long term reliability. (2) Like the price for the 12-year warranty. (3) Improvement Rheem should easily do: product cardboard box is flimsy, and product is not properly supported internally. Take a look of Whirlpool packaging -- their products are solid supported internally. (4) Dislike -- still see blue skunk (look like chewing gum) , and/or some other unknown floating materials cowing out after week usage. I didn't see this with GE water heater.
Date published: 2016-08-20
Rated 5 out of 5 by from Working Because this new model has an ignition instead of a pilot light, it stuck out more in front. The heater had to to pivoted sideways to fit into the closet that the previous heater was in. All the metal tubing for the input cold water and output hot water had to be adjusted for this rotation. NONE of the measurements given accounted for the ignition system taking more space. Fortunately I spotted this before the heater was entirely installed and the workmen left. But the water had to be drainied and new tubing and plumbling bought to complete the installation. Hope it lasts longer than the warranty.
Date published: 2016-04-10
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