Forum Discussion
DrewE
Dec 29, 2020Explorer III
valhalla360 wrote:
- Now if you have a 50amp/240v supply, you can get a high wattage unit that can do the job (check the rating for temperature increase relative to flow)
An 8 kW model (which is about the maximum you could reasonably hook to a 50A circuit and have some power left over for other things) would provide well less than 1 gpm with cool incoming water, and almost certainly be unsatisfactory for a shower. 15-20 kW might be a reasonable size, which requires at least a 100A service.
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