Rebuilt DentalEZ 1 HP CustomAir Motor Assembly. NEW STYLE WITH CONTROL ATTACHED TO MOTOR. Please Note: There Are 4 Versions / Styles Of 1 HP NEW STYLE Replacement Motors Available. They Are As Follows: 1. 1HP @ 115VAC Motor For Units With Water Re-Circulators Installed. 2. 1HP @ 115VAC Motor For Units Without Water Re-Circulators. 3. 1HP @ 230VAC Motor For Units With Water Re-Circulators Installed. 4. 1HP @ 230VAC Motor For Units Without Water Re-Circulators. Exact Replacement Motor For Model MC-201 New Style Units Regardless Of Year Manufactured. The DentalEz Model MC-201 New Style Version Has The Controller Attached To The Motor Assembly. This Wet Ring Version Is Still In Production Today By DentalEz. This 1 HP Replacement Comes Pre-Wired For 115VAC or 230VAC & Configured With or Without Applicable Water Recirculator Components. It Is The Dealers Responsibility To Determine Correct HP & Voltage Needed Before Purchasing A Replacement Motor From Comes With 12 Month Warranty, Pre-Tested & Installation Ready, Guaranteed. Easy Installation For Units With or Without Water Re-Circulators. Many DentalEZ CustomAir Wet Ring Vacuum Pump Systems Have Water Re-Circulators Installed. As Mentioned, Replacement Motor Comes Configured With or Without Necessary Components For Vacuum Pumps With or Without Water Re-Circulators Installed. It Is The Dealers Responsibility To Determine If Replacement Motor Being Purchased Is For A System With or Without Water Re-Circulator. Please Note: When Purchasing This Rebuilt Motor, An Exact Exchange Core Is Required. The Core Return Must Be Same HP & Voltage As Item Being Purchased. Prepaid UPS Return Label (For Core Return Only) Will Be Shipped Along With Item.  Core Fee Will Apply If Core Is Not Returned To Within 30 Days Of Purchase. Not Sure Which HP DentalEz Unit You Have? Take A Look At The Bolt Pattern That Holds The Motor To The Pump Housing. 1 HP Motors Have 3 Bolts (Feet) 2 HP Motors Have 4 Bolts (Feet). Thank You.