Spectra Cape Horn Compact CH-330S Extreme Watermaker 12V/24V System

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  • Spectra Cape Horn Compact CH-330S Extreme Watermaker 12V/24V System
  • Spectra Cape Horn Compact CH-330S Extreme Watermaker 12V/24V System
Use the Special Pricing Form Below or Call: 619.222.9613
Built to Order - Typical Lead Time is 30 days


Spectra CH-330S Cape Horn Extreme Compact Modular Watermaker 12V/24V System

The Spectra Cape Horn Extreme CH330S Compact Manual 12Volt or 24Volt produces 15 gallons (56 liters) of water per hour. The Cape Horn Extreme continues to be the choice for serious offshore racing campaigns like the Volvo Ocean Race and Clipper Challenge round-the-world yachts. The Cape Horn Extreme is reliable and durable, with its diaphragm feed pumps in parallel, it can be run on a single pump for high efficiency or two pumps for high output. The system uses rugged mechanical controls and gauges and is perfect for the hands-on racer or cruiser. Add the Z±ION Membrane Protection System to extend storage times for up to 30 days. Because Spectra has MAP pricing on all its systems, we can only offer a low price directly.



  • Simple & Straightforward- Simple analog control panel
  • Lower power consumption - Batteries, Solar or Wind Power
  • Pumps - Redundant dual feed pumps for maximum reliability
  • Whisper quiet - One of the most quiet watermakers on the market
  • Commercial grade diaphragm - Pumps with run-dry protection
  • From the Arctic to the Equator - Designed to operate efficiently in all water
  • System includes - Complete unit, handheld TDS tester, plumbing, set of filters, product sample valve
  • Z-Ion Compatible


  • Production / Hr: 15gal (56l) every hour
  • Production / Day: 330gal (1249l) a day
  • Weight: 90lbs (50kg)
  • Power Requirement: 12v DC @ 19A or 24v DC @10A
  • Salt Rejection: 99.2%
  • Temperature Range: 110F - 36F
  • System Warranty: 1 Year
  • Clark Pump Warranty: 1 Year, Lifetime with installation by a Spectra Dealer

The Cape Horn Extreme system includes:

  • Seawater strainer 
  • Pre-filter housing with 5 micron filter element 
  • 2 feed water pumps with heat sink and cooling fans 
  • Composite Spectra High Pressure Pump
  • Two 20 inch membranes
  • Spectra Pump and membrane housing mounted and plumbed together with mounting brackets
  • Accumulator
  • Manual fresh water flush system with 3-way valve for cleaning and flushing procedures, charcoal filter and housing
  • 25 ft. ¾” suction hose
  • 25 ft. 5/8 inch reinforced sea water hose
  • 25 ft. LP product tubing
  • Instrument panel with feed water pressure gauge and product flow meter
  • Hand-held salinity monitor
  • All required tube fittings and hose clamps
  • One SC-1 storage chemical
  • Complete installation and operation manual
  • Warranty registration card.

Downloads and Resources:

  • Cape Horn CH-330 Manual [PDF]
  • Cape Horn CH-330S Data Sheet [PDF]
  • Save Money with a Spectra Watermaker [PDF]

Customers usually purchase the following with their watermaker:


  • No sales tax on purchases outside of California
  • Built to Order - Average 30 day lead time
  • Distributed by Spectra Watermakers

International Customers: We Ship Worldwide, Shipping Cost May Quote Too High on Our Web Site, contact us for a quote.

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Warranty Information

Seatech Marine Products, Inc. is an authorized dealer for Spectra Watermakers. View their website for more information: https://www.spectrawatermakers.com/us/us/support/contact
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