Impeller Lock Screw For Sta Rite PacFab Pumps, Replacement High Pressure Pump Fastener, 0.25 Inch Size With 20 Pitch And 1 3 16 Inch Length, Impeller Retainer Screw
✔️ 1/4 inch screw, 20 pitch, 1-3/16 inch length, black
This impeller lock screw is a precision fastener designed to secure the impeller on high-pressure pool pumps from Sta-Rite PacFab and is compatible with the Pentair Challenger family. It’s commonly used on Sta-Rite Challenger high‑pressure pumps as well as SuperFlo, SuperMax, and Pinnacle high‑flow pumps in pools and spas.
✅ 1/4 inch screw size with 20 pitch for secure mating
✅ 1-3/16 inch length and black finish for corrosion resistance
✅ Designed for Sta-Rite PacFab impeller locking on high pressure pumps
✅ Compatible with Challenger, SuperFlo, SuperMax and Pinnacle models
💡 What is an impeller lock screw used for in pool pump assemblies? The impeller lock screw fastens the impeller to the pump shaft, preventing back-off and keeping the impeller firmly attached during operation. - handy for securing impellers in high‑pressure pool pump systems - supports reliable performance in Sta-Rite PacFab and Pentair setups - helps prevent damage from impeller slippage during starts - easy to replace during maintenance and service