This pump does have an automatic shut off feature.
LiquiDynamics DEF Drum Topper with Automatic Shutoff, Stainless Steel Nozzle, 115 Volt AC, Model# 33115-S1A

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- Portable unit can easily be moved from one drum to another
- Electronic digital turbine meter accurately measures dispensed DEF
- Features 3/4 in. x 2 ft. suction hose and 3/4 in. x 12 ft. discharge hose
- 22 PSI max. discharge pressure
- Automatic stainless steel shutoff nozzle controls flow rate
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