6 X 4 INCH KONTRO MAGNETIC DRIVE PUMP Stock Number: P-1988 Mfg. Kontro Sundyne Model HS6L 4 x 6 inch in/out. Carbon steel 15 Hp, 1760rpm, 230/460v, 3ph Rated for 800 gpm, 25 ft. Hd, 300 psi max (1) available Posted in Pump, Centrifugal.