The Hayward indoor drafthood is designed for compatible H-Series and ED2 300 heater applications where the venting system needs the correct draft-management component. A drafthood like this is useful because it helps guide exhaust behavior in indoor installations, supporting a more complete and correctly configured vent setup.This replacement is especially useful when the original drafthood is damaged, corroded, bent, or missing. Replacing it can help restore the proper vent transition and improve confidence in the heater’s installation quality.The DHI300 is a practical replacement for compatible Hayward indoor heater systems that need renewed venting support and cleaner draft control. Hayward indoor drafthood Fits compatible H-Series and ED2 300 heater applications Helps support correct indoor vent configuration Useful when the original drafthood is damaged or missing Supports cleaner and more dependable heater installation