The Hitachi pump coupling assy 4389217 for EX22-2 EX30UR-2C EX33U EX40UR-2C is a conduit/piping fitting from Hitachi. It connects or transitions between sections of conduit, tubing, or pipe, maintaining a secure and, where required, weather- or liquid-tight joint. It is commonly in facility wiring and plumbing/piping retrofits.
