This display board is designed to use with Hayward Universal H-Series Low NOx Heater model H350FDP, H350FDP also compatible with Hayward Universal H-Series Low NOx induced draft heater models H250IDL2, H350IDL2, H400IDL2.

• Display board replacement
• Fits hayward universal h-series low nox heater models H350FDP, H350FDP
• Also fits hayward universal h-series low nox induced draft heater models H250IDL2, H350IDL2, H400IDL2