Pentair 075459 Piezo Presslite Ignitor Assembly Replacement Pool and Spa Heater Piezo presslite ignitor assembly replacement Fits Pentair MiniMax CH, MiniMax Plus pool and spa heater models 150, 200, 250, 300, 350, 400, 150 IID Also fits Pentair MiniMax pool and spa heater models 75 and 100