NORITZ Outdoor 7.5 GPM Tankless Water Heater NR98-ODNG Review

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(More customer reviews)My old (traditional tank) water heater broke. Replacing it with the same style tank based system was not automatic for me as I saw this as a chance to regain some coveted garage space. The local home depot had Rheem tankless water heaters but not quite the model I wanted so I started searching online and ended up here. Noritz is the cadillac of the tankless water heater systems - you cannot go wrong with them, certainly for this price and you save tax on top of that.
The system was installed by our plumber in 1 day. Whereas I had an inside tank based water heater before, I now have an outside tankless water heater and just a few pipes in the garage. The unit installed easily (according to the plumber) and operated instantly and without flaws. I have had it for 2 weeks and have received excellent hot water service from it. We have a 3 people living in the house and never have to struggle with luke warm water, even if the washing machine and/or dish washer is doing its business at the same time someone takes a shower. This unit is small but boy does it deliver!
In case you are considering going tankless, these might be your conserns:
1. Will I have hot water or luke warm? This is largely a question of how much hot water do you need at a given time. This unit raises 7.5Gallons/minut 45F. The shower is about 2G/m, a faucet perhaps 1G/m, the dish washer and laundry perhaps each another 2G/m. If incoming water is at 60F, I end up with 100F or so for the shower, which is more than enough. The dish washer has its own heater... 7.5G/m is more than enough.
2. Will I have hot water ... instantly? Ah, no, you won't but that is not a problem of your water heater. If you have not used hot water for a while, all water in the pipes turns cold. Once you turn on the hot water tap, all that cold water needs to come out first before you feel hot. Tank or tankless based systems would perform identically in this respect.
3. My current tank based system is in the garage, should I not just go with an inside unit? Sure you can but these systems require a stainless steel exhaust (no, you cannot use your existing ventilation). The stainless steel exhausts are ridiculously expensive and runs in the hundreds of dollars quickly. If you have the chance to put the unit outside, do it. Now, if you live in an area where "things" may get pretty cold outside and you have to run considerable lengths of copper - perhaps inside is better for you.
4. Can I compare different brands by just looking at thair G/m rating? No, you need to determine the G/m rating AND how many degrees it raises the water temperature at that rating. Not all brands specify this identically!
5. If I just need a trickle of hot water, will the unit actually kick in and heat the slow flow? Yes, it will. Some other brands may not but this Noritz does turn on as soon as you use hot water, however little.

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Noritz Natural Gas Outdoor Tankless Water HeaterWith more power than any tankless water heater in its class, the NR98 series is ideal for mid-size homes with up to 3+ showers.These units offer several innovations, such as the dual flame burners, Quick-Connect and Turbo-Flow feature which can boost its output up to 9.8 gallons per minute.In addition, the piping is 25% thicker than our competitor's to accomodate the higher flow rate demand.Energy Factor (EF) for NR98-ODNG: Natural Gas 0.82Propane 0.86Thermal Efficiency: 84%For outdoor useonly

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Omega Comfort OME 616 LPG Tankless Propane Gas Water Heater Review

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(More customer reviews)This unit was so easy to install, I had it working in no time. I am very pleased with its performance. The unit provides hot water for the entire house without any problem.

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"The newest Energy Star rated, US made, Tankless water heater in the market today at a price you can finally afford.Now you don't have any excuse for not owning a tankless water heater instead of your old gas/electricity hog. The OME 616 LPG is a wall mounted gas appliance that delivers a continuous supply of hot water on demand. The luxury of never running out of hot water while knowing that you are consuming less energy is the best feeling in water heating. This unit can provide enough hot water for multiple showers or any other water-using appliances! There is no storage tank keeping water hot all day and reheating it time after time. The OME 616 LPG doesn't have a pilot light to waste gas. This unit also has a remote digital temperature display which will directly show you the temperature of the outgoing hot water. The OME 616 LPG will deliver a savings of at least 50% on your energy bill, while providing an endless supply of hot water at your desired temperature. The electronic ignition means that no energy is wasted when the unit is idle. With computerized sensors, safety devices, and gas valves, this "smart" product monitors the water temperature and modulates the gas consumption to meet your specific demands.This is a unit manufactured in the USA for the USA. That means that the pipes and plumbing systems don't need to be altered.Engineered with total efficiency in mind, the OME 616 LPG is easiest outside unit to install on the market today. The ½ inch water connectors and gas connectors are mounted on the bottom of the unit for easy access. This 26"" X 15"" X 6.5"" cool cabinet and power cord for ignition means this unit can be mounted almost everywhere with the afferent spacing and no exhaust system. The new welded under temp and pressure (instead of sutured) heater exchanger technology give you the chance to own the only tankless brand out there with Lifetime Warranty on the heater exchanger."

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Omega Comfort OME 506 LPG Tankless Propane Gas Water Heater Review

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(More customer reviews)Seems a little fishy that these same two people commented on every Omega 2000 Group product, all on or around the exact same date (usually October 8, 2008), and gave every tankless water heater 5 stars. I suspect that these two are either Omega product dealers or manufacturers posting fake reviews to try and increase sales.

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Finally a point-of-use tankless water heater, designed in USA, and made in USA for the USA market, at a price you can afford. Now you don't have any excuse for not owning a tankless water heater, instead of your old gas or electricity hog for that guest room or weekend vacationing cabana. Utilities are endless! The OME 506 LPG is a wall-mounted gas appliance that delivers 1.7 gallons-per-minute of continuous supply of hot water on demand. The luxury of never running out of hot water while knowing that you are consuming less energy is the ultimate feeling in water heating. This unit can provide enough hot water for one shower or any other water-using appliance! There is no storage tank keeping water hot all day and reheating it time and time again. The OME 506 LPG doesn't have a pilot light to waste gas. It is a known fact that pilot lights can waste up to 2% of your heating energy depending on your heating habits. The electronic ignition means that no energy is wasted when the unit is not in use. With computerized sensors, safety devices, and gas valves, this "smart" product monitors the water temperature and modulates the gas consumption to meet your specific demand. Engineered with total efficiency in mind, the OME 506 LPG is easiest unit to install. The ½ inch water connections and gas connectors are mounted on the bottom of the unit for easy access, just like your old tank water heater. This 18 inch X 11.5 inch X 5 inch, cool cabinet and 2 D cell batteries for ignition means that this unit can be mounted in almost any location with the afferent spacing and exhaust system. The new welded under temp and pressure (instead of sutured) heater exchanger technology gives you the chance to own the only tankless water heater brand out there with Lifetime Warranty on the heater exchanger.

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Omega Comfort OME 620-D NG Tankless Water Heater Natural Gas -The "no plumbing modification tankless water heater" Review

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(More customer reviews)Wow ! I got the unit in 2 day after the order placed. 26 minute from the moment my old tank was out, the OME 620-D was fully operational. Customer support was great and is been up for 5 months now. No problem at all! Fully recommended!

Click Here to see more reviews about: Omega Comfort OME 620-D NG Tankless Water Heater Natural Gas -The "no plumbing modification tankless water heater"

Energy Star rated, US made, this Tankless water heater , today at a price you can finally afford. Now you don't have an excuse for not owning a tankless water heater instead of your old gas or electricity hog. The OME 620-D NG is a wall mounted gas appliance that delivers a continuous supply of hot water on demand. The luxury of never running out of hot water, while knowing that you are consuming less energy, is the ultimate feeling in water heating. This unit can provide enough hot water for multiple showers or any other water-using appliance! There is no storage tank keeping water hot all day and reheating it time and time again. The OME 620-D NG has a digital temperature display to show you the temperature of the outgoing hot water. The OME 620-D NG will deliver a savings of at least 50% on your energy bill while providing an endless supply of hot water at your desired temperature. The electronic ignition guaranties no energy-use when the unit is idle. With computerized sensors, safety devices, and gas valves, this “smart” product monitors the water temperature and modulates the gas consumption to meet your specific demands. That also monitors your emissions so you can be sure that your carbon footprint is as small as technologically possible today. This is a unit manufactured in the USA for the USA. That means that you don’t have to modify your pipes in your plumbing system to make your water-heater work. Engineered with total efficiency in mind, the OME 620-D NG is the easiest unit on the market today to install. The ¾ inch water connections are located on top of the unit, while the ½ inch gas connection is located on the bottom of the unit, just like your old tank water heater. This 26 X 15 X 6.5 cold-to-touch cabinet and concentrically exhaust/intake flue system means this unit can be mounted in almost any location with the afferent TEK style exhaust system.

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