Always replace the seat assembly according to manufacturer guidelines
including dosing valves and proportioners
some sources list up to 50 GPM for similar models)
engineered hose (EPDM or Buna-N depending on configuration)
The GRACO 19D042 SOLOTECH ST32 PUMP is a genuine GRACO original part
GRACO Wolverine Drive Module, 230/480 VAC 3-Phase, 1/5 HP Motor, Duplex, 1/4, 3/8, 1/2 Plunger Sizes - (SKU: A30161) Always replace the seat assemblyThe GRACO Wolverine Drive Module is a robust, modular drive unit designed for use with chemical injection pumps. It is constructed with durable materials for industrial environments and is intended to provide reliable, continuous operation for duplex (dual) fluid modules in chemical injection systems. Key Features: Drive Module Wolverine, 230 480 VAC 3 Phase, 1 5 HP Motor, Duplex, 1 4, 3 8, 1 2 Plunger Sizes Industrial grade materials for durability