Discriminating Dispenser Pan & Containment Sump Sensors

This type of discriminating sensor is installed in a dispenser pan or containment sump and will detect the presence of, and differentiate between, hydrocarbons and other liquids. Receive notification of low and high liquid alarms, and whether fuel is present, to get a better understanding of conditions within your containment areas.

Pan Sump Sensor

The Discriminating Dispenser Pan Sensor (794380-322) is 11.6” (29.4cm) high, 2.2” (5.6cm) in diameter.

Product Activation Height

Gas - 0.125" (3.175mm);
Water – Low 1.37" (3.4cm),
High 7.66" (19.45cm)

Containment Sump Sensor

The Discriminating Containment Sump Sensor (794380-352) is 22.1” (56.1cm) high, 2.2” (5.6cm) in diameter.


Product Activation Height

Gas - 0.125" (3.175mm);
Water – Low 1.35" (3.4cm),
High 12.28" (31.19cm)

Product Form

Part Number



Discriminating Dispenser Pan Sensor


Discriminating Containment Sump Sensor


Universal Sensor Mounting Kit (Sold separately)



Fuel Compatibility

Gas, Diesel, Kerosene, Jet Fuel, Aviation Gas, E15, E85*, Bio-Diesel 20, Green Diesel, Waste Oil, Motor Oil
*Single use only

Alarm Notification

Normal: Sensor in Normal State – No liquid detected

Low Liquid: Liquid detected above low activation minimum

High Liquid: Liquid detected above high activation minimum

Fuel Alarm: Permeable material saturated with fuel

Sensor Out: Sensor not communicating with ATG Console

Operating Principle

Product Permeable, Reed Switch /Float

Operating Temp

-32 to +140°F (0 to +60°C)

Cable Length

12 Feet