![]() ![]() If there is a power failure, they automatically shut off water flow. Unlike typical irrigation valves, they feature high-efficiency solenoids, stainless-steel actuators, and brass shock cones. Our commercial-grade solenoid valves offer the highest possible reliability for this type of backup. More sophisticated cistern backup systems utilize a solenoid valve controlled by a low-voltage float switch or an electronic control device. ![]() We offer two versions: a 1/2” low-flow valve that delivers 2 gpm 20 psi and a 1” high-flow valve that delivers 50 gpm 30 psi. When the water level in the tank reaches the float, the valve opens and adds several inches of water. The simplest cistern backup system utilizes a special mechanical valve with a weighted float at the end of a long cord.
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