{HEAD ~ This switch} is connected to a controlled valve assembly to stop the flow of {TAIL ~ water} in response to the detection of water by the switch 
{ HEAD ~ This switch } is connected to a controlled valve assembly to stop the flow of { TAIL ~ water } in response to the detection of water by the switch
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH