1、Applicable Model: The display board is for Hayward H-Series H400FDN/HD150FDN. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part number for reference is IDXL2DB1930. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、Improved Heating Efficiency: The pool heating circuit board can heat your swimming pool faster after our optimized processing, so that you can spend less time waiting and can enjoy your pleasant time quickly. 4、Sturdy Material: Made from high strength materials, this heater display board control panel is designed to withstand the wear and tear of constant use, providing long lasting performance for your swimming pool heater. 5、Easy Installation: The swimming pool heater board features simple and convenient installation without hassle, no complex tool or special steps required, saving your time and effort. Item Type: Heater Display Board OE: IDXL2DB1930 Fitment: Replacement for Hayward H-Series H400FDN/HD150FDN 1 x Heater Display Board