Feature●?? Replacement for Hayward Pool Heater Display Board ,Universal H-Series Low Nox Heater Models H350FDP.●?? Replacement for raft Heater Models H250IDL2, H350IDL2, and H400IDL2●?? Product description: IDXL2DB1930 display board replacement for hayward IDXL2DB1930 heater display board h-series heater.●?? Faster heating and longer life.●This IDXL2DB1930 Display Board replacement for hayward h400fdn hd150fdn display board, and another H-Series low nox induced draft heater.Description