Jandy 3659 Valve Actuator Micro Switch

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Replacement micro switch for Zodiac/Jandy JVA pool and spa valve actuators (part 3659). It controls the end-of-travel limits so the actuator motor shuts off at the correct cam posi tions, restoring reliable valve indexing. This OEM switch fits JVA 1200, 2400, and 1240 actuators and cross-references R0408600. Show more