Zodiac Jandy Pro Series Flame Sense Rod (R0387000) pentairparagon The FC-2815 reference gives this

The FC-2815 reference gives this part practical value because replacement cartridges work best when the new element matches the intended housing and service application closely

Improves interface clarity and visual consistency

Matching the correct outdoor assembly helps preserve intended venting compatibility and supports cleaner service results

or no longer shifting confidently between settings

so using the correct Waterway replacement can make a big difference in how cleanly a rebuild comes together

Zodiac Jandy Pro Series Flame Sense Rod (R0387000) pentairparagon The FC-2815 reference gives thisThe flame sense rod is an essential safety and ignition feedback component for compatible Jandy heaters. It helps the control system confirm that burner flame is present after ignition, allowing the heater to continue operating only when combustion is detected properly. A worn, dirty, or failed flame sensor can cause ignition lockouts, short cycling, or repeated service errors even when other heater parts are functioning. Replacing R0387000 can help