Rain Bird ESP-9V4 (4-Zone) Battery-Operated Controller F42210 By adding a simple-to-install HC

By adding a simple-to-install HC Flow Meter

Micrometric adjustment: FELCO's micrometric adjustment system guarantees an optimal adjustment of the cutting head throughout the life of the tool

Impulse-hardened teeth for long service life

Valve Size: 1 1/2 in

Simple battery replacement requiring no tools and no need to disassemble sensor

Rain Bird ESP-9V4 (4-Zone) Battery-Operated Controller F42210 By adding a simple-to-install HCTougher, Easier and Longer Lasting Get reliable automatic irrigation control when you don't have AC power with the ESP 9V Series Battery Operated Controller. The ESP 9V's waterproof case and dual sealed battery chamber ensure long life even when installed in a wet, muddy valve box. In harsh environment testing the ESP 9V outlasted the competition by 70%. After being submerged in water at alternating extreme hot and cold temperatures the ESP 9V was