Rain Bird - ESP9V4 - (4-Zone) Battery-Operated Controller Check Valve WaterSense certified - toilet uses

WaterSense certified - toilet uses 20% less water than the current standard while maintaining superior performance

sealed 6-pin quick connector

Flow-control and non-flow-control configurations

improper chemicals or installation can damage the valve or void warranty coverage

Big Frog Supply identifies the exact grid size

Rain Bird - ESP9V4 - (4-Zone) Battery-Operated Controller Check Valve WaterSense certified - toilet usesSpec Sheet Install Manual Tougher, 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