A good service repair starts with using the correct part, and Pentair IntelliFlo VS/i1/2VST Drive Kit [w/Keypad] (356879Z) is built for compatible Pentair Pool Products equipment. The keypad kit restores user access for programming, speed changes, and everyday pump control. It is especially useful for variable-speed pump service where the drive, keypad, or motor-related component must match the original Pentair platform.. Supports compatible Pentair equipment service Helps restore fit, function, or system reliability Useful for repairs, rebuilds, and preventive maintenance Confirm the model, voltage, plumbing size, horsepower, or system generation before ordering. Matching the 356879Z part number helps reduce installation issues and keeps the repair focused on the component that actually needs attention.