Zodiac Jandy DEV48 Center Rod w/Knob (R0554800) bypassvalves and surface contact

and surface contact

Correct connection geometry matters because a well-matched heater assembly should install cleanly and perform the way the spa expects

2 inch PVC configuration

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or no longer worth reusing

Zodiac Jandy DEV48 Center Rod w/Knob (R0554800) bypassvalves and surface contactThis service part is useful when restoring performance, fit, or sealing integrity in a pool, spa, filter, pump, cleaner, automation, or heater system. DEV48 Center Rod w Knob helps secure internal DE filter components so grids, supports, and spacers stay properly aligned under pressure. A damaged rod or missing knob can make the filter difficult to assemble, allow internal movement, or prevent a tight, stable stack during operation. This part is