This bezel and keypad assembly is designed to use with Universal H-Series Low NOx Heater model H350FDP, H350FDP also compatible with Universal H-Series Low NOx induced draft heater models H250IDL2, H350IDL2, H400IDL2. <br>Fit for:H250IDL1, H250IDL2, H250IDPL1, H250IDPL2 H300IDL1, H300IDL2, H300IDPL1, H300IDPL2 H400IDL1,H400IDPL1, H400IDPL2