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

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(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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