Zodiac Jandy Pro Series TruClear Winterizing Cap (R0621900) prostar Helps restore proper upper-section fit

Helps restore proper upper-section fit and structure

Proper restriction helps prevent overdriving the cleaner while supporting steady movement and sweep action

This replacement helps bring the filter back to a stable internal structure during sand changes or deeper tank repairs

3/8 inch diameter with 4-pin connection format

Two-speed 120V cord for compatible spa equipment applications

Zodiac Jandy Pro Series TruClear Winterizing Cap (R0621900) prostar Helps restore proper upper-section fitA dependable repair starts with using the right component for the exact system you are servicing. Choose the TruClear Winterizing Cap (R0621900) when the repair calls for an original style component rather than a workaround. It is especially helpful during seasonal shutdown when openings need to be capped and protected until startup. Salt chlorination and power center repairs require parts that keep the generator, cell, wiring, and control hardware