Zodiac R0408100 Ignition Control System Replacement for Zodiac Select Jandy Pool and Spa Heaters Ignition control system replacement Fits Zodiac Jandy Lite2LD, Lite2LG pool and spa heater models 125, 175, 250, 325, 400 Also fits Zodiac Jandy LT/LX pool and spa heaters models 250, 400