Franklin Fueling 403171903 STP-MLD+BD Mechanical Leak Detector for Biodiesel (3 Pack)

Franklin Fueling 403171903 STP-MLD+BD Mechanical Leak Detector for Biodiesel provides precise leak detection for standard fuel and biofuel applications on 4" submersible turbine pumps. model is capable of detecting line leaks equivalent to 3 gph at 10 psi (11.4 lph @ 0.70 bar) when installed properly with the appropriate fuels - all models will signal detection of leaks by restricting product delivery to less than 3 gpm (11.4 lpm) and taking more than 4 seconds to open.