My CMC unit is leaking down. Follow For CMC Marine, please use the following numbers: Sales Phone: 800-654-3697Fax: 580-252-2970 Technical Support Phone: 580-252-1699Fax: 580-252-2970 Related articles How do I refill my CMC actuator with fluid? CMC Owner's Manual How do I purchase CMC replacement parts? Should I Travel with my HydroWave Mounted on my Boat? What is the phone number for CMC Marine Products? Comments 0 comments Please sign in to leave a comment.