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Installation and Wiring Guides

Installation Wiring Diagrams 

Please review the Wiring Voltage and Phase Testing document below. The SIO 18 Pro Flex circuitry is frequency based and must be in phase. The following will present the visual wiring and testing procedures to ensure proper installation. You can also view the videos below.

SIO 18 Pro/Pro Flex Wiring Video
SIO 18 Pro/Pro Flex Phase Test Video
IR Models - Point of Use Installation
SIO Pro Models - Multi Bath Installation
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