Boat Backfire Flame Arrestors

All boats with inboard engines should be equipped with a backfire flame arrestor.

These should be approved by the USCG and either the Society of American Engineers or United Laboratories.

This device is designed to stop the flames that could potentially result from an engine backfire from coming into contact with fuel and starting a fire.

A monthly inspection of your backfire arrestor should be performed to ensure that it remains damage-free and that it is still tightly fastened to the carburetor.