b'Model SelectionMODEL CONSTRUCTION HP VOLTS AMPS DISCHARGE FLOAT SWITCH STYLE MIN. PIT DIAMETER240-Series241 Cast Iron 1/4 115 6.0 1-1/2" Wide-angle (integral float switch) 14"243 Cast Iron 1/4 115 6.0 1-1/2" Wide-angle (piggyback plug) 14"247 Cast Iron 1/4 115 6.0 1-1/2" VMF Vertical Magnetic Float 10"S30-SeriesS37 Poly and Cast Iron 1/3 115 6.5 1-1/2" Vertical float switch 14"S37-P Poly and Cast Iron 1/3 115 6.5 1-1/2" Vertical float switch (piggyback plug) 14"S38 Poly and Cast Iron 1/3 115 6.5 1-1/2" Wide-angle (piggyback plug) 14"230-Series231 Poly and Finned Alum. 1/3 115 5.2 1-1/2" Wide-angle (integral float switch) 14"233 Poly and Finned Alum. 1/3 115 5.2 1-1/2" Wide-angle (piggyback plug) 14"237 Poly and Finned Alum. 1/3 115 5.2 1-1/2" VMF Vertical Magnetic Float 10"250-Series251 Cast Iron 1/3 115 5.2 1-1/2" Wide-angle (integral float switch) 14"253 Cast Iron 1/3 115 5.2 1-1/2" Wide-angle (piggyback plug) 14"257 Cast Iron 1/3 115 5.2 1-1/2" VMF Vertical Magnetic Float 10"'