****Does not work -for parts only FDXLICB1930 FD Integrated Control Board Replacement Kit for Hayward Universal H-Series Low Nox Pool Heater Models H250FDN H250FDP H300FDN H300FDP H350FDN H350FDP H400FDN H400FDP Universal Fitment --This FDXLICB1930 FD Integrated Control Board is universal for Hayward H-Series Low Nox Pool Heater Models H250FDN H250FDP H300FDN H300FDP H350FDN H350FDP H400FDN H400FDP.Run Your Heater Again -- If your heater has given you an error code of CE, it is likely time for a new Integrated Control board. On some occasions, an error code of HF can also indicate a problem with this part. This integrated control board replacement kit makes it easy to replace the integrated control board and get your heater running again quickly.High Standard -- This is a high standard after market replacement kit, the main board is made of FR-2 Copper Clad Laminate, all the Japan made capacitors with high precision welding tech effectively avoid short circuit and burn down. three anti-paint coated for excellent insulation, moisture resistance, salt water and corrosion Resistance.Technical Specifications -- Comes with all-inclusive kit contains all parts to replace the Integrated Control Board. Multiple adapters on board for managing and controlling all powered heater functions. Replace OEM part number FDXLICB1930, Catalog Part Number: 6223-175. Dimensions 5.57? x 4.33?.