Model:HS21; Robertshaw:600-210; H.P.:1/12 thru 1/2; Voltage:115V; Replacement:RC0210

Model:HS8E; Operating Voltage(V):90-277; Equipment Range (Hp):1/2 to 10; Recommended Range (Hp)：1to5; Capacitor (uF):189-227; Replacement:SPP8E

Model:HS7E; Operating Voltage(V):90-277; Equipment Range (Hp):1/2 to 10; Recommended Range (Hp)：1to4; Capacitor (uF):130-156; Replacement:SPP7E

Model:HS6E; Operating Voltage(V):90-277; Equipment Range (Hp):1/2 to 10; Recommended Range (Hp)：1/2 to 3; Capacitor (uF):88-106; Replacement:SPP6E

Model:HS5E; Operating Voltage(V):90-277; Equipment Range (Hp):1/2 to 10; Recommended Range (Hp)：1/3 to 2; Capacitor (uF):43-52; Replacement:SPP5E

Model:HS4E; Operating Voltage(V):90-130; Equipment Range (Hp):1/12 to 1; Recommended Range (Hp)：1/8 to 1; Capacitor (uF):88-106; Replacement:SPP4E

Model:HS7S; Increased Torque:600%(270 oz.in); Replacement:SPP7S

Model:HS8; Increased Torque:690%(270 oz.in); Replacement:SPP8

Model:HS6; Increased Torque:500%(270 oz,in); Replacement:SPP6