Takagi T-K Jr-NG Natural Gas Flash Natural Gas Compact Tankless Water Heater 5.8 GPM - Can be Instal Review

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(More customer reviews)This "hot" water heater came with the house we bought. The problem is the water looses heat, rapidly. In fact the water is instantly ice cold without warning(dangerous for Grandmothers). It is less than five years old. The plumber has been to our house a couple times to look at it; as did the previous owners. The last time he was on the phone with Takagi's tech support and they both could not trouble shoot the problem. Everything tech support suggested was checked and the result was; no reason for the cold water problem. The fact is we're wasting more cold water down the drain than saving by having the "on demand" water heater. With the service calls, we're installing a tank water heater. I honestly don't think Takagi could get me to install another of their products in my house, even if it were free. Every bath, shower, laundry load and dish washer load shouldn't be an uphill battle.

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Rheem Tankless Water Heater RTG-74XP-1, Outdoor Use Review

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(More customer reviews)Love my units...We installed 2 RTG 74 units outside and have 4.5 baths, Even with house guests (4 teen girls) showering at once, we had ample hot water to run the dishwasher. We have the propane model and have a super low electric and gas bill. Highly recommend them!!!

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Rheem RTG-74DVP Direct Vent Liquid Propane Tankless Water Heater for 2-3 Bathroom Homes Review

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(More customer reviews)A thoroughly disreputable company. Warranty is worthless. If your Rheem water heater has a 6 year warranty and fails after 3.5 years (as ours did), you may find them using all kinds of questionable tactics to escape responsibility.
On three separate calls to three agents they insisted our heater was 7 years old. They had clearly been trained to say this, the patter was so automatic. When challenged with their own web-site's data, which stated (correctly) that the heater was still under warranty, they did not know what to say and hung up! The house had been built only 3.5 years earlier! And indeed, the heater's body was date-stamped 3.5 years ago. What was going on here? Either Rheem was lying, or the plumber or the plumber's merchant had supplied old product, falsely relabeled. Of course the plumber and his merchant denied that. Finally after a lot of photos, heated phone calls, and intervention by the plumber's merchant in escalating to Rheem management, we discovered the procedure for making a claim.
Rheem's claims are handled by a third party agency, ESIS Risk Management. We supplied photos of the leaking rusty tank and the flooding in the cellar and adjacent room that it had caused. ESIS are apparently tarred with the same dirty brush as Rheem. Despite the overwhelming evidence, ESIS' Susan Fritts insisted there was no proof of defect and that a report was required from a `forensic plumber.' Oh yeah, like we had sabotaged our own heater and voluntarily lived without hot water for two weeks?? The forensic exam could cost $1000 and would not be reimbursed even if Rheem were found to be at fault!! Outrageous! That's more than the cost of a new heater! ESIS and Rheem had created an impossible obstacle.
So we were stuck with buying a new heater. Now these things are built like tanks (ha!). They should not fail after 3. 5 years, sitting untouched in a basement. It makes you wonder if Rheem is supplying old refurbs that are falsely relabeled with a new manufacturing date. And then wriggling like crazy to escape any liability. CAVEAT EMPTOR!

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Bosch AQOK AquaStar Outdoor Installation Kit for AquaStar 2700ES Review

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(More customer reviews)will install in two to three weeks so can later give an indication if cheaper to run

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2700ES Outdoor Installation Kit, Includes 2 Supports With Screws, Sealing Gasket, Control Panel Shield, Outdoor Vent Cap, Allows Heater To Be Installed Outside The House In Approved Climates, Intended To Be Used In Non-Freezing Environments, Freeze Protection Kicks In At 36 Degrees Fahrenheit, Protects Heater Down To 5 Degrees Fahrenheit For Short Term Conditions, Use With True Value Natural Gas # 475-225 and LP Gas #457-393.

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Bosch 2400ES LP AquaStar 6.4-GPM Indoor Tankless Liquid Propane Water Heater Review

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(More customer reviews)I bought the Bosch 2400ES because of the excellent reputation enjoyed by Bosch.
The good points regarding this water heater -
- Its operation is very economical as it uses very little propane. I have given it a star to recognize its economy.
The bad points regarding this water heater -
- The water heater shuts down and restarts frequently. This leads to invigorating showers as it alternately produces about 90 seconds of hot water, then about 60 seconds of cold water. Based on what the service techs have told me and the troubleshooting methods they provided, it seems that the unit overheats, shuts down, and restarts after it cools down. The best guess is that the temperature of my incoming water is too high, and the water heater is not capable of heating a little. Being in Hawaii, my incoming water temperature is about 70 degrees. If you get your water as runoff from a glacier, you may find it works just fine.
- The water heater demands a fairly high rate of water flow to activate. This means that it does not activate to heat water when running our Whirlpool washing machine. To get hot water into the washer requires turning on a hot water tap and letting it run long enough for the water to heat, and keeping the tap on as long as the washer is filling. Likewise, the flow into our Bosch dishwasher is too low to activate the water heater. This means the internal (electric) water heater in the dishwasher works to bring the water to the necessary temperature, wasting electricity.
- It is slow to fire up. This means that, when handwashing dishes or the like, if you turn off the hot water you will get get cold water for a spell after the hot water sitting in the pipe has flowed out. As a result, you need to leave the hot water running continuously for such activities. I could understand a brief bit of cold water, but we are talking about 10 to 15 seconds of cold each time the hot water is turned off.
- The water heater uses approximately 5 watts of electricity continuously, more when the exhaust blower is operating. This amount of electric usage is ridiculous and goes far to offset the claimed efficiency.
My experiences with this and my Bosch dishwasher have completely disillusioned me on Bosch appliances and I will avoid them in the future.

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Includes 2400ES Liquid Propane Tankless Water Heater - 2400ES-LP-RE

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Excel 1.6 gpm Natural Gas Ventfree tankless water heater Review

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(More customer reviews)I was looking for a tankless NG water heater for a garage apartment. I did alot of shopping and found this one on amazon. It was shipped quickly, and and installation was very easy. It works great. It actually heats the shower and sink at the same time. Very impressed with the fact that I did not have to buy an expensive vent kit for this heater. It is completely ventless. Just make sure it is not too close to a ceiling.
Great product.

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Noritz NRC111-SV NG Indoor/Outdoor Condensing Tankless Natural Gas Water Heater, 8.4 GPM Review

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(More customer reviews)This water heater works perfectly for my needs. I have six children. Cost savings on a water heater was not the issue, running out of hot water was the problem. This heater works perfectly. There is a small time lag (a few seconds) that you have to wait for the hot water. But everyone can shower or bathe as needed, and the hot water keeps coming. This unit will easily support two showers at once. I installed a small undersink electric water heater in the kitchen to even out the time lag at the kitchen sink for instant hot water there and we are happy.

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Noritz Direct Vent Condensing Water Heater Noritz is proud to introduce our most efficient tankless heaters, the next generation in tankless technology - condensing heaters. This innovation utilizes a dual heat exchanger, a fusion of stainless steel and copper heat exchangers. The 100% stainless steel component captures the residual heat from the exhaust temperature to preheat the incoming water before it runs through the main copper heat exchanger. This results in dramatic reduction of carbon dioxide and increases the heater's efficiency level to over 93%! Another benefit of this technology is lower exhaust temperatures, which means less costly PVC can be used for its venting. A PVC adapter is built into the heater for easy installation. It's the coolest and greenest tankless water heater available today! This is the highest performing condensing unit on the market today. Some other brand(s) may have a bit higher efficiency rating, but there is a fine balance between the efficiency level and flow rate performance. At Noritz we strive to maximize efficiency levels without sacrifing the hot water output, temperature fluctuations, and water pressure. Comfort and safety is something we do not compromise on. Natural gas Condensing technology - The most advanced Noritz unit, over 93% efficiency level! Combi-system set-up - Open loop system functionality for both potable water heating and space heating combination system.

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Rinnai V53e-LP Propane Outdoor Tankless Water Heater, 5.3 GPM Review

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(More customer reviews)This tankless hot water heater is excellent. The only reason
I gave it 4 stars is that it didn't come with all the fittings
required to make it work. The lower price was definitely
increased after it took extra time, money and parts to
make it work. Now that it is working, it's fantastic and
far exceeds a previous system I used before.

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Rinnai's V53e exterior-mount tankless water heater efficiently delivers up to 5.3 gallons per minute (GPM) of hot water, making it perfect for your one- or two-bathroom home. This easy-to-install, ultra-compact unit lets you enjoy all the benefits of Rinnai tankless water heating. You'll experience clean, reliable hot water at a consistent pre-set temperature, while saving energy and precious floor space in your home.Meets California and Texas NOx Emissions StandardsEnergy Factor of .82 for Both Gas TypesIntegrated Error Code IndicatorCompatible with Full Line of Rinnai Digital ControllersTemperature Range with Controllers: 98°F - 140°F10-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year LaborDimensionsWidth: 13.75 InchesHeight: 20.88 InchesDepth: 6.75 InchesWeight34.2 PoundsInstallationOutdoor, Residential OnlyHot Water Capacity0.6 to 5.3 GPM at 35°F RiseApproved Gas TypesNatural Gas or PropaneMinimum/Maximum Gas Rate (Input BTUs)Natural Gas: 19,000 - 120,000 BTUPropane: 20,200 - 120,000 BTUEnergy FactorNatural Gas: 0.82Propane: 0.82Thermal EfficiencyNatural Gas: 82%Propane: 82%ElectricalAC 120 Volts, 60 HzElectrical ConsumptionNormal: 33 WattsStandby: 2 WattsAnti-Frost Protection: 74 WattsGas ConnectionGas Supply: ¾ Inch MNPTCold Water Inlet: ¾ Inch MNPTHot Water Outlet: ¾ Inch MNPTTemperature Settings120°F (factory default) or 140°

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Bosch 1000P NG AquaStar 2-3/5 GPM Indoor Tankless Gas Water Heater Review

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(More customer reviews)Just self-installed my 1000 P NG water heater I got from Amazon (1-week shipping was free). Took me a day (soldering copper pipe is not very easy for me). I replaced a 40-gallon tank unit. I live in a small beach house in Southern Califoria and needed to replace my 1997 tank unit and since the Bosch was actually less than a tank unit and I could gain much needed floor space, I gave it a try. After replacing my existing 3" venting with 4" double-wall, the total insatlled price was a little more than if I had bought another tank unit. This unit has a "234 therms/year" government rating versus "263" for the tank unit it replaced (so I don't expect to save much on my gas bill). I had researched tank-less water heaters and this Bosch unit does not require stainless steel venting which saves a lot of money over galvanized. As with all units I have read about, it's limitation is that you must use at least 1/2 GPM of hot water in order to get the unit to fire-up (no more trickle of hot water during shaving). The quality of the unit was OK-the drip pan must be user installed and requires modification to work, and the front cover was bent somewhat and makes adjustements in gas flow difficult. Read the users manual on-line before buying and you won't have any surprises. I operate the unit at it's lowest water flow setting (the right-hand knob) since this also means that the unit will fire at the lowest water flowrate. I also operate it at its lowest gas flow setting and the water is still REALLY hot, so I am not sure what all of the complaints are out there about luke warm water. Bosch states that every 2+ years, preventative maintenance is required (something not required with a tank unit), so keep that in mind before buying.
I'll right another review after a year or so, or, earlier if I have problems.

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Includes 1000P Point-of-Use Natural Gas Tankless Water Heater - 1000P-NG-RE

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Eccotemp 40HI-LP Indoor Propane Tankless Water Heater, 135,000 British Thermal Unit Review

Average Reviews:

(More customer reviews)OVERVIEW: In theory, this unit has the potential to save a few $$ on your gas bill, but it may increase your water bill since it takes a bit longer than normal to deliver hot water at the rated temperature. The unit starts as soon as the water flow sensor detects water flow, but the starting cycle takes a bit too long than desired, thus the amount of water being wasted waiting on the hot water was a bit to much in my opinion. INSTALLATION: Other than some minor modification to the existing water and gas piping, the installation process was fairly easy. Anyone with with basic pluming skills can perform the installation. MANUAL: I did encounter a few problems that I wish it was addressed in the installation manual. For example, the manual fails to mention the maximum distance that the unit can be placed from the gas meter cannot exceed 38 feet and that each elbow in the piping will decrease this distance by four feet. This info was disclosed to me, by customer service, when the unit kept error-ing out during start up and after numerous calls and emails back and forth. CUSTOMER SERVICE: This has probably been the best part of my entire experience. Customer service has been very supportive and courteous. They made me feel very comfortable by establishing an open avenue of communication and by providing me with the extra information not listed in the manual. OVERALL: the overall experience with the unit has been satisfactory from installation to operation. As for the savings in the gas, it's too early to tell. I will monitor my gas bill fro the next few months and see if it was worth it.

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Stop throwing away money each and every month with your old inefficient storage tank water heater! It is time to switch to an Eccotemp tankless water heater. The Eccotemp 40HI is one of the most affordable and reliable true whole house tankless water heaters on the market! Rated at 6.3 GPM, it is the ideal choice for a 3 bedroom, 2 bath home. Why Eccotemp Tankless Water Heaters? Energy Efficiency: Saving you money each and every month. Instead of a standing pilot light, gas is only used when there is a demand for hot water. This will result in most homes of an average savings of 20-40% off of your utility bill Saving Space: Weighing only 38 pounds and about the size of a briefcase, you will free up an average of 9 square feet of floor space - adding to the value of your home! Reliability: Eccotemp 40 series water heaters come with a 10 year warranty on the heat exchanger and an average life expectancy of 20 years. And, since there is no standing water, you will never have to worry about a ruptured tank again! Consult with your home owners insurance on additional rebates. Technical Specs and data: * Gas Type: Liquid Propane * Gas Inlet: 3/4 inch * Water Inlet: 1/2 inch * Water Outlet: 1/2 inch * Power Supply: 110 volt * Energy Factor: 0.83 * Indoor mount Flow Chart/Temperature Rise/Delta T: * 35 Degrees F: 6.0 GPM * 45 Degrees F: 4.57 GPM (avg. rise in most Southern climates) * 65 Degrees F: 3.82 GPM (avg. rise in most Northern climates) * 77 Degrees F: 2.6 GPM

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Rinnai R94LSe Natural Gas Tankless Water Heater, 9.4 GPM Review

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(More customer reviews)Worth every penny. Had ours in about four months now. I know I'm saving on propane but really won't know until the next refill on tank.
My old heater was what they called a ''direct vent'' and would have cost me a little less than the Rennai. Glad we went this route. I sure don't miss that big tank in my garage! One less flood factor!
Wish We would have timed how long it takes hot water to get to tap with the old heater, At the most it only takes maybe a few more seconds than the old one did. If that?
Make sure you hire a qualified plumber with tankless experience to do the install. I read alot of reviews about bad or unacceptable installations. Don't cheap out on this!

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For outdoor installation only. With a capacity up to 9.4 gallons per minute (GPM) of hot water, the R94LSe is capable of supplying continuous hot water to as many as five plumbing and appliance outlets simultaneously, ensuring you never run out of hot water. You'll appreciate greater energy efficiency, lower energy costs and the simplicity of exterior installation. 199,000 max BTU.

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