Shurflo 4338-121-E07 Blaster II Washdown Pump Kit 12V 3.5 GPM 25ft Hose

The Shurflo 4338-121-E07 Blaster II Washdown Pump Kit is a complete marine deck washing solution designed for demanding applications. This 12 VDC automatic demand pump delivers 3.5 gallons per minute and includes a 25-foot hose, nozzle, strainer, and all necessary fittings for immediate installation.

Engineered as the successor to the legendary 3901 series, the Blaster II features an innovative over-molded single-piece diaphragm with four independent chambers that ensures exceptional longevity and consistent performance. The sealed switch and sealed motor with corrosion-resistant electro coating provide superior protection against harsh marine environments.

Key Features:

• 3.5 GPM flow rate at 12 VDC for powerful washdown performance
• Complete kit includes 25-foot hose, adjustable nozzle, inlet strainer, and fittings
• Over-molded single-piece diaphragm with four independent chambers for extended service life
• Self-priming up to 6 feet vertical lift
• Dry run capability with thermal protection prevents damage from running dry
• Built-in check valve eliminates backflow
• Sealed motor and switch with corrosion-resistant electro coating
• Ignition protected and CE certified for safety
• Direct replacement for Shurflo 3901 series pumps

This automatic demand pump activates when you open the nozzle and shuts off when closed, providing convenient hands-free operation. The thermally protected motor ensures reliable performance even in continuous-duty applications, making it ideal for boat decks, fishing vessels, and marine cleaning systems.