
The Graco 247144 Replaces worn A-side (ISO) displacement pumps on Rhino HP-21 and Rhino HP-21 Classic 2:1 proportioners. This is a complete OEM A-side (ISO) displacement pump designed for Rhino HP-21 and Rhino HP-21 Classic electric proportioners. This .396 displacement pump includes the lube system and wet cup assembly to help protect packings from isocyanate buildup and moisture contamination.