{HEAD ~ A magnet} is therein mounted to a displaceable member and moved into and out of {TAIL ~ magnetic field} coupling proximity to a timing reed switch in response to the onset and termination of pressurized water flow through the water flow sensing unit 
is moved into
{ HEAD ~ A magnet } is therein mounted to a displaceable member and moved into and out of { TAIL ~ magnetic field } coupling proximity to a timing reed switch in response to the onset and termination of pressurized water flow through the water flow sensing unit
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH