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Johnson/Mayfair Washdown Pump, 3.5 GPM, 12V, 189-1013399-03
Johnson/Mayfair Washdown Pump, 3.5 GPM, 12V, 189-1013399-03

Brand New with Factory's Warranty
List Price: US$279.00
Our Price: US$189.00
You save US$90.00!

Availability:: Usually ships the next business day
Product Code: JPI-1013395103

Description Extended Information

Jet WD 2.9, 3.5, 5.2
The new generation of wash down pumps - 12V or 24V DC. Quiet and pulsation-free, the new Aqua Jet five-chamber diaphragm pump from SPX Johnson Pump provides the perfect deckwash solution for both small and medium sized leisure and commercial boats. With a pressure of 5 bar, clean-up is faster and easier than ever before.



  • Whisper quiet operation
  • Five-chamber construction
  • Self-priming
  • Easy, low cost maintenance
  • Quick-connect hose or threaded connectors available
  • Inline strainer and trigger nozzle included as standard
  • Long service life
Design features  
Pump body: Nylon
Valve housing: Polypropylene
Valves: Nitrile
Connection: 3/8" BSP or 1/2" hose ( 13 mm)

Capacity curves for Aqua Jet WD 3.5 & 5.2 at 20C/68F and full motor voltage


Click here to view the graph as a scalable Flash graphic (Flash plugin required)


Fuse size    
WD 2.9 12 V 10 amp
WD 2.9 24 V 5 amp
WD 3.5 12 V 15 amp
WD 3.5 24 V 8 amp
WD 5.2 12 V 20 amp
WD 5.2 24 V 10 amp


Downloads (.PDF)
Instruction manuals
Aqua Jet WD 2.9, 3.5, 5.2

Note: The price is subject to change at any time without any notice. Not responsible for any typographical errors. Any products can be cancelled from sale at any time.
  • All products sold here come with Full Manufacturer's Warranty
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  • WarningWARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.

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