Transfer Flow Tank Mounted Fuel Gauge for 82 and 100 Gallon Transfer Tanks Model 070GA34242Transfer Flow Tank Mounted Fuel Gauge for 82 and 100 Gallon Transfer Tanks Model 070GA34242 The tank mounted fuel gauge screws into the 2" fitting in the top of the tank. This gauge gives you an easy to read, accurate fuel level reading. This specific fuel gauge will only fit the Transfer Flow 82 and 100 gallon transfer tanks.