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EF4000 4.0 GPM QA Diaphragm Pump

When it comes to spot and broadcast spraying, the Everflo 4.0 GPM 12V QA Diaphragm Pump is the king of the hill. With premium components and cutting-edge engineering, Everflo provides the flow you need.

This quick attach pump is loaded with features such as a Honeywell Micro switch, durable Viton valves & Santoprene™ diaphragm, and fiberglass-reinforced polypropylene pump manifold with quick attach ports. Other features include a silky smooth valve design for faster primes and a unique pressure switch that slowly cycles the pump to reduce wear on the motor and switch. Save battery power with the automatic power switch that turns off pump when no flow is needed. Includes 3/8” hose barb and 1/2” NPT adaptor fittings (boxed version only).

Approved for use with Round-Up and other agricultural brand herbicides and insecticides. CE approved and has standard mounting pattern to fit most sprayer tanks. Can be used for other fluid transfer applications.

Part # EF4000-QA

EF4000-QA Manual

Product Specs

Max Pressure Max Flow Power Supply Max Amps Self-Priming Ports Max Fluid Temp Weight (Dry) Round Up Ready Available Packaging
60 PSI 4.0 GPM 12 Volt Battery 13.0 Yes (Up to 8') Quick Attach 140° F 5.6 lbs Yes Bulk, Barcoded & Boxed
Part # Packaging Style UPC
EF4000-QA Bulk N/A
EF4000-QA-BOX Boxed 81448501380-2

Key Product Features

  • No Cool Downs Required with 100% Cycle
  • Inline Fuse Protection For Increased Safety & Reliability
  • Includes Honeywell Micro Switch for Quick Starts
  • Approved For Use With Round Up & Other Herbicide/Pesticide Brands


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