Model # XG40S06EC36U0

Internet #204298977

Store SKU #1000034932

Rheem Performance 40 Gal. Short 6 Year 36,000 BTU Natural Gas Water Heater
0020352615028

Rheem

Performance 40 Gal. Short 6 Year 36,000 BTU Natural Gas Water Heater

  • 40 gallon tank provides ample water for 2-4 people.
  • Maintenance-free air intake system, no filters needed.
  • Same-day installation in most areas. Call 1-855-400-2552 by noon.

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Product Overview

The Rheem Performance 40 Gal. Natural Gas Short Water Heater comes with a 36,000 BTU/hour environmentally friendly Low-Nox burner that provides ample hot water for households with two to four people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. The self-diagnostic gas control valve monitors system performance. 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.

  • Due to ultra low NOx requirements from air quality management districts in the state of California, please confirm that your shipping zip code is not restricted from the use of items that do not meet local qualifications
  • 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 67 Gal. of hot water in the first hour
  • 6 year limited warranty on tank and parts for your convenience
  • 1 year in home labor warranty for peace of mind
  • Meets or exceeds NAECA requirements
  • Maintenance free - no filter to clean or replace
  • Push button ignition system simplifies the startup process
  • Self-diagnostic gas valve monitors system performance
  • Rated for installations up to 10,200 ft.
  • Short tank profile fits in a variety of indoor spaces
  • Energy factor 0.59
  • Want it installed? Call 1-855-400-2552 before noon for same-day service in most areas, or visit our Water Heater Installation page for more information."
  • California Residents - See if your county requires water heaters that meet Air Quality Management District Ultra Low NOx (ULN) requirements:

    Ultra Low Nox Requirements

  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 40 Gal. Tall 3 Year 34,000 BTU Natural Gas Water Heater Performance 40 Gal. Tall 6 Year 36,000 BTU Natural Gas Water Heater Performance Plus 40 Gal. Short 9 Year 38,000 BTU High Efficiency Natural Gas Water Heater Performance 40 Gal. Short 6 Year 36,000 BTU Natural Gas Water Heater
Brand Sure Comfort Rheem Rheem Rheem
Ratings (30) (325) (1386) (558)
Tank Capacity (gallons) 40 40 40 40
Water Heater Profile Tall Tall Short Short
Part Warranty 3 Year 6 Year 9 Year 6 Year
Gas Type Natural Gas Natural Gas Natural Gas Natural Gas
Product Height (in.) 58.5 58.5 50.25 49.25
Water Heater Features LoNox,Overheat Protection,Pilot Light Window,Pilot Reset Button,Temperature Pressure Relief Valve LoNox,Overheat Protection,Pilot Light Window,Pilot Reset Button,Temperature Pressure Relief Valve LoNox,Overheat Protection,Pilot Light Window,Pilot Reset Button,Self Cleaning,Temperature Pressure Relief Valve LoNox,Overheat Protection,Pilot Light Window,Pilot Reset Button,Temperature Pressure Relief Valve
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Customer Questions & Answers

Will a water softener shorten the life of that water heater ?

Asked by: yl
Water softeners should not effect your water heater life. Below is a link about hard water and water softeners. http://www.rheem.com/docs/FetchDocument.aspx?ID=9be6139a-8aa9-45b1-882b-ddfb56bfed3e
Answered by: Rheem
Date published: 2016-10-28

How munch is the tall one

Asked by: Money
You will have to contact your local Home Depot for costing.
Answered by: Rheem
Date published: 2016-11-21

how thick is the tank liner and what is the "R" value?

how thick is the tank liner and what is the "R" value?
Asked by: Dp
Unfortunately we do not have that information about thickness of the insulation. Also it is not required by the government to rate water heaters by "R" value. The government requirement is now and EF (Energy Factor). In the instance of this unit the EF rating is .59.
Answered by: Rheem
Date published: 2016-11-09

Has the issue with the pilot not staying lit been resolved on these tanks?

Asked by: Nikki
There is no ongoing issues with this or any Rheem water heater pilot system staying lit. For any brand water heater the are several reasons for pilot outages some of which are environmental or user induced.
Answered by: Rheem
Date published: 2016-11-06
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Customer Reviews

Performance 40 Gal. Short 6 Year 36,000 BTU Natural Gas Water Heater is rated 4.5 out of 5 by 557.
Rated 5 out of 5 by from Perfect fit to replace old water heater I installed this water heater myself. I am not a plumber so it was important to find a water heater that was as close to the size of my old water heater. I have copper tubing plumbing so it was easy make the adjustments.
Date published: 2017-03-15
Rated 4 out of 5 by from Great water heater with sensitive sensor After much research I selected this water heater to replace our failing one. The water heater itself is great but the sensors have issues. The first one went out after 1 week. Of course it happened on Easter weekend. The second one went out on Thanksgiving weekend. According to the parts man these go out all the time. I have purchased several to keep on hand and they are easy to change. Just remember to turn the power off for 30 seconds and then turn the temperature control from cold to hot 7 times to reboot. The first sensor must have been defective but not sure why the second one went out. They will go out for paint fumes, odors and possibly dust.
Date published: 2017-01-27
Rated 4 out of 5 by from Easy Install - difficulty with pilot light Purchased this on sale at a big box orange in color store due to changing standards and rising costs of the newer models. I moved into a century home with a dated water heater and the prospect of savings and convenience was too great to pass up. After a year of being boxed up the install went what I thought was seamless. gas, water connections easy to connect.. After several attempts to light the pilot it was determined that the striker / ignitor component was bad. Oncall Rheem diagnosed ASAP and Fedexed out a replacement - snapped in place an *SPARK* - pilot on. Will continue to monitor as I have heard/seen issues with the attached honey well valve assy.
Date published: 2016-11-18
Rated 1 out of 5 by from stopped working after 2 years Junk. Stopped working after only 2 years. Wouldn't stay lit. Sent my plumber who got it working, then left, and a couple hours later stopped working again. Couldn't figure out how to file a warranty claim, web site was no help, so the 6 year warranty is meaningless. Couldn't find a phone number, God forbid you should be able to talk to a human, but it appeared that was the idea. I'll never buy another Rheem product.
Date published: 2016-11-07
Rated 4 out of 5 by from Good product for the price point Had an issue about a year after buying it. The gas valve went bad. While obviously that's not desirable, customer service was fantastic and overnighted the part to me free of charge. I almost expected to get the run around, but what I got was no hassle at all. All it took was a 2 minute phone call and I got what I needed. I understand that mechanical things will break, and fortunately I was easily able to diagnose it. The people I talked to knew what they were talking about and I'm confident that they could have talked the most clueless beginner through their issue. Great product, better people
Date published: 2017-01-15
Rated 4 out of 5 by from does it deliver full load of hot water? Now installed for about a year on a system with a recirculating pump. Without settign water temp higher than we would wish, it does not deliver enough volume of hot water to fill an oval soaker tub without stopping for a few minutes after the initial load of hot water is run into tub. It seems it may not be uniformly hot from top to bottom to deliver a full capacity of hot water, despite recirculating system. Other than that it is good - easy to set and leave alone with instant reheat when returning from extended absence with it set off. Heats quickly. Visusal display of status helpful.
Date published: 2017-01-01
Rated 5 out of 5 by from Great when you find a good one. Be sure to open the box before buying. The first one I bought was all banged up even though the box was perfect. Other than that the power vent works great and I can put my hand over the top of it and almost no heat is escaping when the heater is not warming the water. I think the power flap probably saved me maybe 5-10$ a month. Also this think I a very wide diameter due to extra insulation. So if your current heater is old and right next to a wall. Your water lines will not line up and need to be shifted over if running solid copper.
Date published: 2017-02-06
Rated 4 out of 5 by from Very happy with product I replaced my last AO Smith water heater(s), with the Rheem product and so far we are very satisfied. The previous AO Smith product was replaced twice due to leaking tanks after only 2 years which was very surprising and dissapointing and extremely frustrating. I am very hopeful that this Rheem product will provide many years of trouble free service. I really like the design of the air intake and havining on the sides versus the bottom and no filter to clean. I would have given 5 stars but still waiting to see how the tank holds up.
Date published: 2017-03-15
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