Speck 7.5 HP [112M] Pool Motor (MPH12CA2A57866A) heaters and this Maytronics Dolphin DX4

and this Maytronics Dolphin DX4 version uses the 99957019-ASSY reference

Useful for shutoff in compatible spigot-based plumbing layouts

Although this model shares the same part number as other 115V listings

0 horsepower relationship give this impeller practical value because water-moving components work best when they match the intended motor and wet-end pairing closely

Replacing the full set can help restore more even filter performance and improve the overall service result

Speck 7.5 HP [112M] Pool Motor (MPH12CA2A57866A) heaters and this Maytronics Dolphin DX4The Speck 7. 5 HP pool motor is designed for compatible applications that require a 112M frame motor and a higher output replacement for demanding circulation needs. A properly matched pump motor is useful because it restores the drive power of the system while helping preserve alignment and compatibility with the connected pump assembly. This motor is especially useful when the original motor has failed electrically, become noisy, overheated, or no