Optional flow indicator light integral with switch cover ( FS 10 - CL ). Indicates flow or no flow conditions.

可选择与开关盖一起配置的流量指示灯 ( FS10-CL ). 指示有流量或无流量情况.

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Flow indicator light integral with switch cover. Indicates flow or no flow conditions.

与开关盖一起配置的流量指示灯. 指示有流量或无流量情况.

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