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Watkins - Control Box, IN.Y-J3, 115/230V - 77726
NOTE: THIS CONTROL BOX WILL NOT REPLACE THE HEAT RECOVERY SYSTEM, Which is similar and shown HERE.
This Control Box Requires A Heater Assembly To Heat.
Some YJ Models on Watkins Spas will have no orange wire on the connector for the sensor plug.
***If this orange wire is missing, you must also replace the heater. Here is a link to the heater for this control system: 0613-421009