ORDER JETS SEPARATELY. Close grained cast iron pump body and base are rugged one-piece units specially treated to resist corrosion. Drain cock replaces conventional pipe plug for easy winterizing. Simple, built-in pressure regulator is performance proven. Adjustable for best performance on all deep well installations. Pressure gauge is included. Lexan impeller is precision molded for perfect balance and ultra-smooth for highest performance and efficiency. Precision molded diffuser of reinforced polypropylene. Mechanical shaft seal is precision lapped and highly polished carbon-ceramic, stainless steel construction. Internal design guarantees continuous water lubrication for maximum protection. Also includes a square D 30-50 pressure switchthat sets the standard. Motor windings are made of superior insulation materials that protect against excessive moisture and contaminants, assuring prolonged motor life. Balanced rotors are die cast under high pressure for uniform performance and greaterefficiency. One piece threaded shaft for positive impeller drive and alignment, stainless steel for maximum corrosion resistance. All electrical components are protected from dirt, dust and insects by dustproof canopy. Ventilating air cannot contaminate vital switching components, eliminating the most common cause of motor failure. Shielded, permanently lubricated heavy duty ball bearings are extensively tested to insure extended life and smooth, quiet operation. SEE SUB-SECTION G 9 FOR PUM