... Switch: SPDT RATING :220VAC,15AConnection :screw terminalsCase:Plastic cover witch 1/2 couduit openingMountingFlow switch be mountedin a horizontal ... Setting:1,Remove switch cover2,For higher flow rater-turn range adjusting screw clockwise3,For lower flow rater-turn range ... adjusting screw counter clockwise.4,Be sure flow swtich cover is replaced ...