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