And to think that I'm still uneasy about the instant shower units we use here. This one doesn't look much better than some of those photos we saw some months back of heated shower heads in Central/South America.

"You'll save water, you'll save money, and you'll enjoy a hot shower."

He forgot to mention that you'll also enjoy the in-wall heating from the #14 cable after you've changed the breaker from 15 to 30A.

As for the "hot shower," just how hot?

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Average water temperature increase: 10 - 25 ยบ F


With a typical cold water supply temperature of around 50 degrees, it's not going to be very hot at the full flow of 2 GPM.

I don't know about you, but I like my "hot" shower to be a little warmer than 60 degrees.