Zodiac Jandy Pro Series JXi Flue Sensor Kit (R0719400) lochinvar Designed for compatibility with spa

Designed for compatibility with spa systems

This part is a useful choice when restoring cleaning performance

or no longer switching correctly between positions

When the water-moving side of a pump starts to fail

Zodiac Jandy Pro Series JXi Flue Sensor Kit (R0719400) lochinvar Designed for compatibility with spaThe JXi flue sensor kit monitors exhaust related conditions in compatible Jandy JXi heaters and helps the control system protect the appliance during operation. A failing sensor may contribute to fault codes, lockouts, or unreliable heating even when the burner and gas train appear normal. Replacing the correct sensor kit supports safer heater operation and more accurate diagnostic response. Use R0719400 only after confirming the JXi model and service