Editorial Product Review:Item Description:Bosch, 1 Major Appliance Or Shower At A Time, Hydro Ignition, Natural Gas Tankless Water Heater, Hydro Ignition Means No Standing Pilot Or Electricity Needed, Water Flow Spins The Hyrdro Igniter Which Generates The Millivolts Needed To Ignite The Gas To The Burners, 117,000 BTU Input Delivers 3.3 Gallons Per Minute At A 55 Degree Fahrenheit Rise, Standing Pilot, 1/2 Gallon Flow To Activate Burners, Vertical Venting Only, Must Use 5' Double Wall B Vent Pipe, Modulating Gas Valve From 28,000 To 117,000 BTU's For Optimal Performance, 1/2' Male Nominal Pipe Thread Gas & Water Connections, Natural Gas Pressure, Minimum 7' Water Column To Maximum 14' Water Column, Water Pressure Minimum 18 PSI To Maximum 150 PSI, 69% Energy Factor, 80% Thermal Efficiency, T & P Valve Included, Warranty 12 Years On Heat Exchanger & 2 Years On Parts, Qualifies For The Energy Policy Act Credit, CSA Certified.
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Buyer Reviews
Average Buyer Rating:
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Works great for 1 outlet at a time
This was plenty hot for me when using one outlet. But you have to do the settings right. Flame on high and water flow on LOW. The water flow setting is how much cold water is mixed in with the hot water, not how much hot water it is releasing. Since the piping of your old tank is going to be different and since this is supposed to have a bigger gas pipe inlet, expect a lot of work installing it. The biggest problem might be the vent: if you mount it on a wall where the old tank was, the vent can't go straight up and use the old vent hole. You have to also order the hard-to-find elbow pipe. I live near Atlanta, so my winter temperatures are not too low. I can imagine problems if the inlet water is really cold like in the northern states.
Customer Rating: 
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high elevation, cold water supply - forget it!
Got the 1600H to replace a 17 year old aquastar 125VP (excellent unit). Hoped it would connect to the 125s' plumbing, it did not. Our incoming water supply is 35 degrees. The 1600H would not heat water to over 95 degrees, even at the lowest flow rate. The hydro generator takes a long time to ignite so the hot water line fills with cold water. Sometimes (10 to 20% of the time) it wouldn't light at all. We live at 9000' elevation. I called tech support several times and never got through, waiting 30-40 minutes per attempt. Finaly got an email response that was not helpful. Of course I went through all trouble shooting items in the manual, really didn't need to repeat that via email. Have rebuilt the 125 VP and reinstalled it, ah, after changing the plumbing back. I can fix cars, houses, ski lifts, snowmaking systems but I couldn't get this thing to work. Folks in this area like the Rinnai. Wish I had known.
Customer Rating: -
Bosch WORTHLESS water heater
I would rate the unit at a negative 100.
One of the worst items I purchased. Water would fluctuate, be too hot to stand on the lowest settings. This was installed by professionals in a new house. I got several error codes. Finally had enough and called tech support. I was on the phone 2 hours the first time I called and that was on hold. Then I spent another hour playing games with the unit.
We spent over 10 hours talking to tech support over a month's period. I had to switch the unit on and off to get a bath. Tech support said the supplier told me the wrong unit to buy. Another tech support told me that that was wrong. I had to take off a lot of time to get the gas and plumbing installers to come back and check their work which was correct.
Finally I had enough and called the supplier. They worked with me to get me a credit. By the way that supplier no longer sells Bosch. Just give me your money instead of buy the Bosch unit. I can hand deliver consistent and dependable hot water better than Bosch. Oh yeah and you can get a straight answer from me without the long wait. Maybe the long wait shows that there are a lot of consumers that are having the same problems.
Customer Rating: -
Great idea but costly to install
Do the research before you order it since modifications to your home my need to be made for venting and it can be quite costly.
