Zodiac R0369500 Wire Harness with Printed Circuit Board Replacement for Select Zodiac Jandy LX/LT Pool and Spa Heater Wire harness replacement Fits Zodiac Jandy LX/LT pool and spa heater models 250, 400 Also fits Zodiac Jandy LX/LT Low NOx pool and spa heater models 250, 400 Includes printed circuit board