Zodiac R0329900 Gasket with Blower Mounting Hardware Replacement for Select Zodiac Jandy LX/LT Pool and Spa Heaters Gasket exhaust system Fit Zodiac Jandy LX/LT pool and spa heater models 250, 400 Also fits Zodiac Jandy LX/LT Low LOx pool and spa heater models 250, 400 Includes blower mounting hardware