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Everflo Soft Wash (Bleach) Diaphragm Pump 4.0 GPM @ 60 PSI 1/2 in. – EFSW4000


SKU: C-EFSW4000-BOX Categories: , ,


Everflo Soft Wash (Bleach) Diaphragm Pump 4.0 GPM @ 60 PSI 1/2 in. – EFSW4000

The Everflo EFSW4000 Diaphragm Pump 4 GPM @ 60 PSI comes with 2 – QA x 1/2 Barb Fittings & 1 – QC x 1/2 MNPT fitting designed for roof cleaning applications, bleach / SH mixture spraying.

It can spray surfaces clean with low impact and stop the growth of black mold, mildew, lichen, and algae on rooftops, siding, & sidewalks. This innovative 12 volt bleach diaphragm pumps is great for roof, driveway, and paver cleaning applications.

It comes with a proprietary motor shield protection system that will automatically shut off the pump if a leak is detected, which protects the motor from damage and allows for an easy and low-cost pump head replacement.


Note: These demand flow pumps require a balanced flow with a properly sized nozzle. Pumps with a small nozzle will cycle the motor on/off too often and will prematurely wear out the microswitch.

Pump Features:

  • Engineered and designed to handle bleach applications
  • Comes with a Motor Shield that shuts off the pump if a leak is detected protecting and saving money
  • Saves battery power with the automatic power switch that turns off the pump when no flow is needed.
  • Easily prime up to 12 feet while having the ability to run dry without sustaining damage.
  • Comes standard with polypropylene pump manifold with quick attach ports.
  • Easily installation with five mounting screws.


  • 12V dc
  • Permanent magnet construction
  • Painted steel casing
  • Thermal protection with external fuse
  • CE Approved


  • Flow:l/min 20.8 – US gpm 4.0
  • Max pressure: 4.1 bar – 60 psi – 0.41 MPa
  • Inlet / Outlet Ports: 1/2 inch Quick Connect – 1/2 inch Quick Connect
  • Voltage: 12 V CC (DC)
  • Max. Current: A 23
  • Self-priming Depth: m 3.7 – ft 12
  • Max. Liquid Temperature: 60 – 140 F
  • Weight: 4.3 kg – 9.5 lbs

SKU: C-EFSW4000 also known as C-EFSW4000-BOX


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Prop 65 Warning!

This product can expose you to chemicals which are known to the State of California to cause cancer.