Quote Originally Posted by nhengineer View Post
Do you mean to have the magnet attached to the wooden cylinder that is acting as a float? How would I attach the reed switches to the rod?
I would use a thin-walled plastic tube and cement the reed switches inside it. Plastic caps cemented on the ends of the tube would keep liquid off the switches and provide constraint to keep the wooden cylinder on the tube. The magnets could be cemented into holes drilled in the wooden float.