Rain Bird - ESP9V4 - (4-Zone) Battery-Operated Controller Accessories_Surge Protection RPM Cast Iron: 100

RPM Cast Iron: 100

What does the pressure-balance function do

Precision stamped brass debris grate

What replacement references are listed

Eight valve positions allow water to be routed to one outlet

Rain Bird - ESP9V4 - (4-Zone) Battery-Operated Controller Accessories_Surge Protection RPM Cast Iron: 100Spec 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