Quote:
Originally Posted by scottorious
...plus i can link up to 20 in the future as my family grows. If in 10 years i have two teenage girls who have more water requirments than i do I can buy another unit and link them up.
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Hook up 20? Sounds like you are planning on doing some very serious procreating.
A 6.5 gallon/min should take care of a whole house.
If you are figuring on low-flow shower heads, they usually put out water at 1.5 gpm, so you could run several showers at once... all day and all night, too.
No problem.
Each of the tankless units needs a certain water flow rate to work correctly... keep that in mind when you are planning on several tankless water heaters running at once.
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Personally, I think that the units being built are
all too big. I think that having several small units that put out a max of 1.5 g/m each would be better, with each water heater installed right at the point of use.
As you will soon find out, tankless hot water is not instant hot water... and the distance to the water heater makes the wait and the waste greater.
Whole-house water heaters are all so twentieth century.
-AC_Hacker