Bosch Ariston GL4

My well produces 6 GPM. I have a tankless water heater and I waste water until the hot water arrives. I put the 4 gal. ariston in series with the water heater for the downstairs shower-it works great-… instant hot water. I also put a 2 gal. ariston under the kitchen sink. They both save us water. The tankless water heater heats on demand so every time you turn the valve you fire up the water heater. In the kitchen I hooked the ariston to the cold water (it takes too long for hot water) Works fine for me since I do most of the dishes by hand. The fridge has cold water for drinking. These heaters are easy to install so it can be changed in about 5 min. Bill CA.

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I hated running water down the drain for up to one minute many times a day before the hot water finally got to the kitchen sink. Often I was done washing my hands or cleaning the dishes when it was just… getting to luke warm. This heater was easy to install, and I now have hot water within seconds. They had this same heater at Home Depot, but they charged about $50 more, plus tax. The factory thermostat setting was set too low, about 106 degrees. I adjusted it all the way up, and the water heated to 150. (It is NOT difficult to adjust.) I now have it set about 140 degrees, which is perfect for us. Not only is the instant hot water a great convenience, but now we're saving many gallons of water every day. The heater has been worth every penny. One more thing, I thought it was going to take up more room under the sink than it does. It actually fit very easily with room to spare; but measure before you order!

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This is easy to install, relatively small for a 4-gallon tank, and not bad overall. Good value. the only neg is that you have to remove a few plates to adjust the temperature, and that the on/off switch… uses symbols that are not easily understood, so you don't know right away which is on and which is off. But there is a light in the switch that makes that obvious once you've actually gotten power to it, so that's no big deal.

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