Munoz, I would do some research before I invested in a tankless water heater. I've read numerous complaints about how hard it is to adjust water temps. We have a 6 gallon and have no problems with showers, very quick recovery time, you have to work hard to run out of hot water. The RV tankless heaters don't perform near as well as the home units. Check first, maybe someone else will chime in with a different opinion.
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