In article QC2Jc.11360$Mr4.3058@pd7tw1no, Ken Weitzel
writes
PS - you're feeding something you folks call a
"shower"... if that what we might call an
(electric) water heater?

No, really a shower. The thing you stand under to have a wash. The water
flow rate can be a bit weedy depending on the power of the heater.

--
Tim Mitchell