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11 GPM Ultra Low NOx Liquid Propane Gas Condensing High Efficiency Tankless Water Heater

$91500
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$undefined.00 /mo* suggested payments with months* financingApply Now
  • Delivers hot water on demand
  • Compact, space saving unit
  • ENERGY STAR Certified
  • View More Details

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Price:
$91500

Product Overview

The Westinghouse 11 GPM Ultra Low NOx Liquid Propane Gas Condensing High Efficiency Tankless Water Heater has a durable high grade stainless steel heat exchanger. The Westinghouse Residential Tankless produces continuous hot water and has a 10 to 1 turndown ratio. It is also equipped with a highly innovative water leak detector.

Info & Guides

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11 GPM Ultra Low NOx Liquid Propane Gas Condensing High Efficiency Tankless Water Heater
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BrandWestinghouseRheemRheemRheem
Name11 GPM Ultra Low NOx Liquid Propane Gas Condensing High Efficiency Tankless Water HeaterPerformance Platinum 9.9 GPM Liquid Propane High Efficiency Indoor Recirculating Tankless Water HeaterPerformance Platinum 11 GPM Liquid Propane High Efficiency Indoor Recirculating Tankless Water HeaterPerformance Platinum 11 GPM Natural Gas High Efficiency Indoor Recirculating Tankless Water Heater
Price
$91500
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$144097
Ratings
(75)
(229)
(225)
(225)
Indoor/OutdoorIndoorIndoorIndoorIndoor
Gas TypeLiquid PropaneLiquid PropaneLiquid PropaneNatural Gas
Number of Showers2-42-42-42-4
Application TypeResidentialResidentialResidentialResidential
Flow Rate @ 45°F Rise (gallons/min)8.5 gal (US)/min7.7 gal (US)/min8.5 gal (US)/min8.5 gal (US)/min
Efficiency LevelSuper HighSuper HighSuper HighSuper High
Water Heater FeaturesAnti-Bacteria Growth,Digital Display,Freeze Protection,Overheat Protection,Ultra LoNox,Wall MountedFreeze Protection,Ultra LoNox,Wall MountedFreeze Protection,Ultra LoNox,Wall MountedFreeze Protection,Ultra LoNox,Wall Mounted
Fuel TypeGasGasGasGas
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Specifications

Dimensions

Product Depth (in.)
14.8 in
Product Height (in.)
27.6 in
Product Width (in.)
17.3 in
Vent diameter (in.)
3 in
Water Connection Size (in.)
3/4 in

Details

Application Type
Residential
Commercial/Residential
Residential
Efficiency Level
Super High
Finish Family
Gray
Flow Rate @ 35°F Rise (gallons/min)
11 gal (US)/min
Flow Rate @ 45°F Rise (gallons/min)
8.5 gal (US)/min
Flow Rate @ 55°F Rise (gallons/min)
7 gal (US)/min
Flow Rate @ 65°F Rise (gallons/min)
6 gal (US)/min
Fuel Type
Gas
Gas Connection Size
3/4 in
Gas Type
Liquid Propane
Heat Exchanger Warranty
12 Year
Indoor/Outdoor
Indoor
Maximum Temperature (F)
140 °F
Minimum Activation Rate (gpm)
0.5
Minimum Temperature (F)
95 °F
Number of Showers
2-4
Pack Size
1
Product Weight (lb.)
88 lb
Required Volt Connection
120 volt
Returnable
90-Day
Total BTU
199000 Btu
Uniform Energy Factor
0.96
Vent Type
Single Wall
Water Heater Features
Anti-Bacteria Growth,Digital Display,Freeze Protection,Overheat Protection,Ultra LoNox,Wall Mounted
Wattage (watts)
0 W

Warranty / Certifications

Certifications and Listings
ETL Listed
Labor Warranty
No Warranty
Part Warranty
12 Year

Questions & Answers

Typical questions asked about products:

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Customer Reviews

  • 3.6
    out of 75 reviews
  • 55% recommend this product
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Showing 1-10 of 75 reviews
Great Unit, exceptional value!!
I installed the unit over 18 months ago. It is a fantastic unit for the following reasons: - can run 2 showers and a dishwasher with no issues - very quiet; less than 45db when running - endless hotwater - time to receive hot water without a recycle set-up is about 20 seconds longer than a tank (3,400 sq ft home) - reduction in gas bill A tank water heater is old technology. If you have the gas supply, and you have a family of 4 or more go with 199,0000 btu/11 gal. For the money, this unit is an incredible value. Note: make sure you run your gas 3/4 inch all the way. Do not cheat and go 1/2 inch. You will starve the unit of gas and it will shutdown when demand is high. Cold water. Yikes!!
by
    • Recommended
    3 people found this helpful
    This is a really awesome heater, especially for the price, and considering the rebates/tax breaks...
    This is a really awesome heater, especially for the price, and considering the rebates/tax breaks available right now! It was a little challenging for a DIY install, but that's to be expected for any high-capacity tankless heater, since it has to have a large gas supply, and good, unobstructed ventilation. I moved where it was mounted across the room from the old water heater, to get closer to the gas main, which meant I had to re-plumb the gas, *and* create a new drain on the other side of the room, so that's what took the most time. The result is awesome though. It heats all the water I can pull through it very consistently, and immediately. We have 4 bathrooms, and we've had all 4 showers, plus laundry going at the same time, with no problems at all. I've been impressed with how quickly it reacts to varying demands. If I'm taking a shower, and the laundry kicks on, my water pressure goes down a little, but the temperature stays the same (which is really impressive!). The unit is very quiet while it's running, but it makes Hades' own racket for about 1sec while it's starting up. It sounds like a giant transmission grinding gears at startup. I think it's something to do with the flame igniting, and resonance in the burn chamber/exhaust, or maybe it just resonates against the concrete wall I mounted the unit on, and amplifies the sound, but it's disconcertingly loud :D. I can hear it throughout the house, and outside is even louder (I can hear it from my neighbor's yard, two houses away!). Overall though, I love it, and am glad I bought it.
    by
      • Recommended
      3 people found this helpful
      Water goes cold mid shower? I solved it. This might answer the "heat goes off in the middle of th...
      Water goes cold mid shower? I solved it. This might answer the "heat goes off in the middle of the shower" people. Happened to me & I solved it. I have installed several tankless water heaters (I'll never, ever go back to tanks). One OTHER heater I installed was rated for "two showers and a dishwasher" but I have it in a 2 unit building and after working out a couple kinks I could run 5 showers, 5 bathroom sinks and two kitchen sinks all hot for 30 minutes. hot water for ever. Then, I bought this one to push my luck and put it in a three-unit. One of the units has FIVE SHOWERS AND TWO WASHERS. But, to my dismay, after the easy installation, it was far less stable than the Rinnai I'd just installed. It made a groaning hum like blowing across a large coke bottle, and sure enough, the water went cold after a few minutes, then came back and cycled like that. Bizarre. FIRST problem: I misread the venting requirements. I tried to get away with 2" pipe, but when you do that, the length limits are punishing and I needed more. So, I re did it in 3". I'm well within the 100 feet, max of 6 elbows, but every elbow past ONE takes 5 (or 8, I can't remember) feet off the 100 feet. SO, if you had the 6 elbows (Which I did), 5 of them would add up to 25 or 40 feet off the 100 allowed length, but that's still 60-75 feet, or 30-37 feet for each input and output. I was WELL within that. Still shut off. I disconnected the venting and it ran much better (just for testing!) but it still cycled power. At its worst it threw ER10 which means the flame went out more than 8 times. I did call the company and they said all signs point to its starving for fuel: 1) Do you have good gas pressure? my brand new gas service provides 14" column of water in pressure. 2) Is the supply line to the unit 3/4" and not 1/2". Yes. 3) Did the professional installer perform a combustion analysis to make sure the CO levels are within tolerance. Well, I did it myself, and combustion analyzers are $1000 and I talked to three plumbers who didn't have them. All that being the case, they told me to turn the "offset" screw a quarter turn to the right and see if that helps. So, it took all of 20 seconds to remove the four screws on the front of the unit and the offset screw is really a torx bit. It was marked with red crayon at the factory and looks like it had already been turned 1/8th turn. I turned it an additional 1/4 turn, put it all back together and ran the hot water. Went cold within a minute. I opened the front again (always put things all the way back together for testing) and turned it another 1/4 turn. I had to use a torx bit socket that came with my socket set and a wrench. The allen key was stripping, and a huge screwdriver (there's also a flat head screw slot) was worthless.) AND I had to put a little more muscle than I really wanted to to turn the thing. Then, I ran it again. and held the pipe. Hot. Hot for 20 minutes! But it did still do the hum at start up a little. Maybe that was to clear it out. I'll let it go for a while and keep looking for someone with a combustion analyzer to fine tune it to get the optimum performance. The guy who helped me from Westinghouse tech support was Dominican and super geeked about the unit. "That unit is a MARVEL" he said. I was all set to take it back but in the end, I'm happy with it!
      by
        • Recommended
        5 people found this helpful
        BEWARE - Home Depot's product overview on this page is inaccurate and does not match the model # ...
        BEWARE - Home Depot's product overview on this page is inaccurate and does not match the model # and title at the top. BTW, same thing applies if you try to look at the 8.1 GPM Westinghouse. It describes the 11 GPM. Extra caution if you are getting a rebate from your local utility company like me and basing things on Home Depot's information from their site. Glad I didn't purchase this for $1k, have it installed, then go for my rebate based on the specs i thought i was getting. I called Westinghouse to get it all clarified, and that was worse. After telling me I shouldn't rely on HD's info and actually questioning why i needed to see specs, they then said this model # doesn't exist. Then they found it. Then could barely find any specs on it. After 10 mins they finally directed me to a link for specs that matched the model number. Energy factor of .82. Not .96 as stated here. Just a slight difference. No Westinghouse for me. And you might want to fix your website Home Depot. It's a confusing mess. And who know's what you're actually going to get when you place the order for a Westinghouse tankless water heater.
        by
          22 people found this helpful
          Installed it 5 days ago and what a difference, wife says this is the first time she is able to ta...
          Installed it 5 days ago and what a difference, wife says this is the first time she is able to take a hot bath without running out of hot water. I used to have to wait to take my shower after she took her bath bit not anymore! Should have got this years ago.
          by
          • DIY
          • Verified Purchase
          • Recommended
          4 people found this helpful
          The Hot Beast
          After 4 plumbers and 1 week later we finally got it installed it should have been an easy installation something I could have done but didn't have time to do 1st plumber hooked my water lines wrong I finally had to retrace what he did wrong
          by
          • Verified Purchase
          by
            most horrible product
            This product stopped working shortly after installed. I do not know what other brand can go this low but apparently Westinghouse has no shame in masquerading this piece of junk as a "product". Save yourself many years of trouble and choose a quality brand instead! You don't want to left with a hot water emergency every week for the next 10 years.
            by
              Worst nightmare!
              Constantly throws out error (error code 11) - cannot even start! Dead out of the box! and worst yet, I cannot return it to HomeDepot at this point. What a gigantic waste of money!
              by
                1 person found this helpful
                I am only about a week into having had this installed. I have zero complaints so far and am VERY ...
                I am only about a week into having had this installed. I have zero complaints so far and am VERY HAPPY. My first shower after installation was a hot, consistant temperature and was 45 minutes long. The plumber doing tbe installation warned against the "water sandwich" and cautioned not to use hot, use hot again shortly after, etc to allow the remaining hot water in the lines to cool down thoroughly to avoid the sandwich effect. My only future concern, barring any later problem, is maintaining the preventative maintenance schedule. Hubs is lazy and my basement creepy, so this is a personnal issue and not specific to everyone. I do suggest researching tankless maintenance before purchasing. It isn't anything difficult, but you should always keep up on scheduled maintenance for anything that asks for that - autos, appliances, kids, etc. High marks for this beast!! HIGHLY RECOMMEND! All instructions are spot on, the installation is smooth (and many regular guys have installed with no hassle unless was user error), operation is excellent!
                by
                • Verified Purchase
                • Recommended
                Showing 1-10 of 75 reviews