High Quality Special Design with 1/4" NPT Male Port. 20A Corrosion Resistant and Non Metallic Cover. 95-125 psi factory preset regulated. No Wire Looping. Visible Contact. No Drift Pressure Setting. Captive Cover Screw. Ample Wiring Room. 2 Ground Screw. Easy to Adjust. Pulsation Dampener Standard. This unit has 20 amp.contacts. With a magnetic starter you can use it for any HP. In case of any doubt, we are here to help: Please contact us.