Pentair 075173 Fusible Link Thermal Cut-Off Replacement Pool and Spa Heater;

This fusible link thermal cut-off is designed to use with Pentair MiniMax CH, NT STD, NT LN, NT TSI, NT TSI pool and spa heater models 150 IID, 150, 200, 250, 300, 350, 400 and also compatible with Pentair MiniMax Plus, PowerMax pool and spa heater models 75, 100, 150, 200, 250, 300, 350, 400. This product also fits Pentair MiniMax, MiniMax Low NOx commercial heaters.