Professional Flow Switch -- 6560-860 Flow Switch widely fits for Sundance Spas 800/850/880 Series Spas 1999 - Present, for Sundance Spas all 2 pump or 3 pump systems 1999 and up and 1 pump Capri Systems 2001+, and also fits for 1999+ Sweetwater and Portifino series with circulation pump, for Jacuzzi J-300 LCD Series models, 2002+ (with box end connectors).
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