Zodiac R0457200 High-Limit Set Replacement for Select Zodiac Jandy Legacy and LXi Pool and Spa Heaters High-limit set replacement Fits Zodiac Jandy Legacy LRZE, LRZM pool and spa heater models 125, 175, 250, 325, 400 Also fits Zodiac Jandy LXi Low NOx pool and spa heater models 250, 300, 400 130 degree farenheit and 150 degree farenheit