3.5GPM Blaster™ II Washdown Pump, 12V
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SHURFLO3.5GPM Blaster™ II Washdown Pump, 12V


In stock online.

Add extra coverage from the date of purchase beyond the manufacturer’s warranty.  View Details

Model # 15943947 | Mfg # 4238-121-E07UPC # 752324329434

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Total Price: $233.98


3.5GPM Blaster™ II Washdown Pump, 12V

Name Value
Amperage 7.5 Amps at 12 Volts
Capacity 3.5 Gallons per Minute
Diameter 1/2 Inch
Dimensions 5" Width x 4 1/8" Height x 9" Length
Material Polypropylene
Voltage 12 Volts
Warranty Details One Year

Product Overview

Blast grimy decks clean with a dependable Blaster™ II pump.

Designed to thrive in saltwater environments, pumps feature a durable, one-piece diaphragm; corrosion-resistant, electro-coated motor and a sealed pressure switch. Switches are factory set to 45psi and ignition protected. Pumps include a Blaster™ spray nozzle, plus the following port adapters: one 3/4 GHT (garden hose thread) fitting and two 3/4" barb fittings for hose.

Key Features

  • 12V operation
  • 3.5 gallons per minute capacity
  • Sealed pressure switch is factory set to 45psi
  • Sealed corrosion-resistant, electro-coated motor
  • Ignition protected and thermally protected
  • With run-dry capability to prevent damage
  • Self-priming up to 6' of head
  • Four independent diaphragm chambers with co-molded diaphragm
  • Built-in check valve


  • Pump Type: Diaphragm 
  • Capacity: 3.5gpm 
  • Pressure Switch: 45psi 
  • Self-Prime: 6' 
  • Material: Polypropylene housing, EPDM valves, Santoprene diaphragm 
  • Port Sizes/Type: 1/2"-14 NPS male
  • Voltage: 12v dc
  • Amperage: 7.5A @ 12V DC 
  • Reccommended Fuse: 10A
  • Dimensions: 9"L x 5"W x 4 1/8"H 
  • Warranty: One year

What's in the Box

  • 12V Blaster™ II 3.5gpm Washdown Pump
  • Pistol-grip Blaster™ plastic spray nozzle
  • One 3/4 GHT (garden hose thread) fitting
  • Two 3/4" barb fittings for hose 
 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.


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