G1BBR Gasoline Fume Detector, Single Channel w/1 Sensor & 10A Relay to

Gasoline fumes in a bilge or engine compartment have the potential to be a serious risk at any time. First; fuel leaks create new fumes as rapidly as the blower clears old fumes away. With the fan off; the hazard is increased. Second; the fan is typically operating prior to engine start up; thus offering no protection from an electrical short circuit; smoking or their causes.