The Pentair Purex 471200 bolt is designed for compatible Minimax 100 applications and measures 3/8 inch-16 by 3/4 inch. A fastener like this is useful because it helps secure related heater components correctly, supporting proper assembly retention and dependable service work.Replacement is often necessary when the original bolt is corroded, stripped, bent, or missing. Using the proper Pentair/Purex hardware can help restore correct fit and reduce problems caused by incorrect substitute fasteners.This OEM bolt is a practical service part for compatible Minimax 100 systems that need the right replacement hardware during maintenance or rebuild work. OEM Pentair/Purex bolt 3/8 inch-16 x 3/4 inch size Fits compatible Minimax 100 applications Useful when the original bolt is damaged or missing Supports cleaner and more dependable assembly retention