Protective plastic sheets and films can also be made of polyethylene. The surface protection tape that you find on new appliances is made of polyethylene film.
Are there different types of control boxes? Which pump control box do I need? Does the brand matter? Can I use a control box brand different than that of my submersible motor? All of these questions are valid and should be considered when selecting a control box for your application so lets dive right in! Disclaimer, all of the information below pertains to 3-wire submersible motors which require a pump control box to start. If you are using a 2-wire submersible motor a pump control box is not needed.