13The probe assembly must be installed in the spa water in an area where water is not stagnant in order to optimize thetemperature regulation�To connect the probe assembly cable, insert the JST into the probe connector (P40)�Route the probe assembly cable through one of the molded strain relief channels on the bottom of the spa pack�Part number:Regulation probe and overheat captor - 9920-401397Connecting the probe (regulation and overheat captor) on the heat recovery model in.yj-reRegulation probe and overheatcaptorConnections