Mechanical arrangement: Level Action / Contact Action: SPDT - 1 NO 1 NC / Activation Angle: 45 Degrees / Includes counterweight, lock ring, 6 ft. cord with float and internal switch, and instructions. Wire leads are pre-stripped. Good for use with drinking water and inside septictanks. Steps: 1) Removethe attached plastic lock ring fromthe counterweight. 2) Clip plastic lock ringtothe cord where you would likethe counterweight positioned. 3) Insertthe cord inthe conical part ofthe counterweight and overthe lock ring. 4) Locatethe counterweight accordingto your desired float pivot point.the length ofthe cord betweenthe counterweight andthe float determinethe liquid level cycle range. 5) Whenthe liquid level dropstothe point at whichthe float passes 45° hanging,the internal switch will actuate, closingthe normally open contact (NO) and openingthe normally closed contact (NC). 6) Whenthe liquid level risestothe point at whichthe float passes 45° upward,the internal switch will actuate, re-openingthe normally open contact (NO) and re-closingthe normally closed contact (NC).