Zodiac R0054900 2-Inch Iron By-Pass Assembly Replacement Kit for Select Zodiac Jandy Pool Heaters By-pass assembly replacement kit Fits Zodiac Jandy Lite2 LD, LG pool heater models 125, 175, 250, 325, 400 Also fits Zodiac Jandy LiteLLG, LiteLLD pool heater models 125, 175, 250, 325, 400 Compatible with Zodiac Jandy Series 2 ESC models 125, 175, 250, 325, 400 Includes iron flow cap