When {HEAD ~ pressurized water flow} 12 through {TAIL ~ the water flow sensing unit} or sensing station 18 ceases, that is, flow from the inlet port 142 to the flow discharge port 144 ends, the timing reed switch SW1 is turned OFF 
through
When { HEAD ~ pressurized water flow } 12 through { TAIL ~ the water flow sensing unit } or sensing station 18 ceases , that is , flow from the inlet port 142 to the flow discharge port 144 ends , the timing reed switch SW1 is turned OFF
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH