iHeat TanklessiHeat Tankless S-16 240V 66A 16KW Stainless Steel Enclosure 7.2" by 11" by 3" 1/2"CPT 36' AWG#6 Electric Water Heater, 7.5 lb

I started looking into tankless water heaters a few years ago when I started to have problems with my tank water heater.I replaced the thermostats and all was well but I noticed a leak and knew it was a matter of time before I would have to replace it. I found this model on Amazon and it appeared to have some good reviews and a few not so good reviews. So I took the plunge and acquired the heater. There are some facts that aren't in the description as exactly how this device works. Sure, they give you charts on water temps for different areas of the country, flow rates for the heater, ect. I live in Tennessee and right now ( November ) the cold water temperature is 53 degrees. After installing the heater I set the temp on the controller to 110 degrees, turned on the hot water faucet in the bathroom, and it barely got warm. Somewhat disappointing, I reset the temp to 120 degrees on the controller and it got slightly warmer. So I got to looking at the chart again realizing that probably the water temperature of 53 degrees was too cold for the heater to operate efficiently. The was a solution to my problem, in my case we have a small home, one bath and the normal bathroom sink and a sink in the kitchen, was controlling the inlet cold water volume to the water heater. I reduced the water volume to about 2.5 gallons per minute, set the controller temp on the heater to 120 degrees F. Now the water temp out of the faucets approached 118 degrees. Mixing in cold water I can enjoy endless hot water in the shower, that is hot. Another small anomaly is turning off hot water for a small amount of time will cause the heater to stop heating and it will introduce cold water in the outlet until it heats the water again. So if you turn off the hot water in your shower, ect., you will feel the chill for a few seconds.....This is a great heater and was fairly easy to install. Installing the #6 wire was the hardest part. I recommend this heater if you have a small home. It works well and I am very pleased with it.-BoBc

4 month update- still works great! Never really noticed a difference in my electric bill like some people claim, but overall I’m still pleased with this purchase. I noticed some people saying it doesn’t last longer than 6-12 months. Hopefully that won’t be the case with mine. I will do another update around the 12th month mark to let you know how it is still working.We can have someone in the shower, dishwasher running, and clothes washer running all at the same time with no issues. We have also had both our showers going at the same time and still had no issues with a lack of hot water. Water heats up REALLY hot if set to the highest temperature.The best part of a tankless water heater.... we can all take showers back to back without ever running out of hot water. Not too mention, tankless is just simply more sanitary then those nasty tanks!Hook up was simple. I went to Home Depot and they helped with everything. I used shark bite adapters which made connecting all the pipes a breeze. I was worried about getting it and not being able to install it myself, but it truly was easy.I'm very pleased with my purchase and would definitely recommend it to everyone I know.

In California this fails inspection because I thought this was for outdoor use. Amazon description shows outdoor use. But the manual says indoor use only. Manual also says must be 24 inches away from all combustible materials. The inspector interpreted that as walls and studs made of wood or combustible therefore fails.Tech support refuses to have a written statement saying that it's for combustible gas. There's probably a reason why there's a warning of 24 inches away when all other indoor tankless electric water heaters do not have this 24-in minimum requirements.If you don't need inspection this product works great.

My water heater started leaking and needed to be replaced. I decided to go with a tankless water heater in order to save money in the long run. After shopping around I noticed that tank type water heaters are more expensive to begin with. The cheapest one I could find in a brick and mortar store was a thirty gallon model for $300 plus tax making it $328.50.I went to my local Lowe's but they only had one model of tankless water heater available in store. It was a large capacity unit outside my budget. So I went with this brand after looking through several websites.When it arrived and I opened the box I was surprised at how small it is. Installing it was not too hard. I replaced the 30 amp breaker for the old water heater with the required 60 amp breaker. Connecting it to my water lines required a trip to the hardware store for some copper pipe and adapters. You must use copper pipe of 36" or more on the intake and outtake or void the warranty. The connectors on the heater use 1/2" compression fittings. The electrical hookups are the standard three wires. Because of it's small size I now have some extra space it the little closet I had the tank in.I ran the hot water side of my two faucets for five minutes then turned on the heater and set it to the maximum of 125 degrees. I then ran my kitchen faucet full hot. After about ten seconds the warm water started coming through. It never got hot but stayed warm. The readout on the heater was at 107 degrees. I thought "Well it will be ok but not great for a shower". I had other work to do and did not think about it until later that night when I went to take a shower.I ran it nearly full hot until it started to get warm, about 15 seconds, then stepped in. It took it only about another 10 seconds for it to get hot. I then turned it to full hot and it was so hot I almost could not stand it. I then realized I had installed a low flow shower head earlier this year. The faucet in the kitchen must have a higher flow rate and this heater was not able to keep up with it but the shower is not a problem.I don't mind the less than hot temperature from the kitchen faucet. If I had to do over again I would have went with the next size up S-14 14KW as it has the same electrical requirement and would not have cost much more after I paid for faster shipping with this one.If this heater last as long as my old tank type heater did (a little over 8 years) I'll be happy with it.