This BMS sensor connection kit includes sensor activation module with cable, deflectors (4), ground wire, and power adapter. Use this kit to activate the integrated flood sensor and enable flood detection capabilities on the relief valve of a new installation working with a BMS controller (not included). For 009-FS, LF009-FS, LFU009-FS, SS009-FS, U009-FS sizes 1/2 to 2 inch.