The Hayward Ignition Module Replacement is the mastermind and control for your H-Series Pool Heater. It includes the igniter and fits Hayward H-Series induced draft above-ground pool heaters. It’s also compatible with Hayward models H100ID1 and H100IDP1. Give some life to your pool’s heater with this Hayward Ignition Module Replacement. Product Features IDXMOD1930 Automatic operation