Hayward fitting pump.

thingiverse

Human: To seamlessly integrate a 10-year-old Hayward pump with a 2-inch PVC pipe, employ a reliable transition fitting that securely bonds ABS to PVC, just as depicted in the image. The outer thread dimension of the old connection measures 82.2 mm. This clever adaptation will undoubtedly save you a substantial amount of money and countless hours of hassle.