Single cover retaining screw mounted on top of the flow switch for easy access.

在流量开关上安装一个盖子固定螺丝，便以打开进入。

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Start the bilge water feed pump, check the feed water solenoid valve and flow switch.

启动舱底水供给泵，检查补水电磁阀和流量开关是否工作。

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If a Flow Switch, Float Switch, or other type of sensor is used, please contact Watts for compatibility.

如果采用流量开关、浮动开关，或其他类型的感应器，请咨询美国瓦茨，了解兼容性。

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All power wasn't lost, because a second switch remained active, allowing some electricity to flow over an alternate route.

WSJ: Device Setting Triggered Super Bowl Outage

That led the relay, a kind of sensing device, to incorrectly conclude there was an electrical problem and tell a nearby electrical switch to isolate the perceived problem, reducing the flow of power to the Superdome during the game's third quarter.

WSJ: Device Setting Triggered Super Bowl Outage

Reality extends to the plain fact that there is no switch or level to push, pull or toggle that will instantaneously change the polarity of the flow.

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