McDonald 24200P 4” Submersible Well Pump End This stainless steel submersible pump end is built for years of trouble free operation, while having high efficiency impellers and diffusers. Features: 1-1/4” NPT discharge thread Motor bracket built to NEMA dimensional standards in ...McDonald 24200P 4” Submersible Well Pump End This stainless steel submersible pump end is built for years of trouble free operation, while having high efficiency impellers and diffusers. Features: 1-1/4” NPT discharge thread Motor bracket built to NEMA dimensional standards in stainless steel Built in stainless steel check valve Noryl impellers Bowls, external sleeve, discharge casting, cable guard, pump shaft and motor coupling are made of stainless steel to ensure long lasting quality Powered by NEMA approved stainless steel motor with built–in lightning protection