Champlain Plastics R0012200 Fusible Link Assembly Replacement Fusible link assembly replacement. Fits Legacy LRZE&#44; LRZM&#44; Jandy Lite2 LD&#44; LG&#44; LJ pool and spa heater models 125&#44; 175&#44; Also fits Zodiac Jandy LXi Low Nox&#44; LX&#47;LT&#44; LX&#47;LT Low Nox pool and spa heater models 250&#44; Compatible with Zodiac Hot Shot pool and spa heater model 100.