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  • Spectra Cape Horn Extreme 330 GPD Watermaker - CH-330
  • Spectra Cape Horn Extreme 330 GPD Watermaker - CH-330
  • Spectra Cape Horn Extreme 330 GPD Watermaker - CH-330
  • Spectra Cape Horn Extreme 330 GPD Watermaker - CH-330
  • Spectra Cape Horn Extreme 330 GPD Watermaker - CH-330

Receive Free Shipping With Purchase of Any Spectra Watermaker or Order Over $100. Free Shipping Applied In Cart, No Coupon Necessary. Excludes Outside of the U.S., AK, HI, FL, WA.

Item #: CH-330
Availability: In Stock
Usually ships In 1-2 Business Days


Spectra Cape Horn Extreme 330GPD Watermaker 12 Volt or 24 Volt

The Spectra Cape Horn Extreme watermaker is one of the best watermakers for serious offshore racing campaigns such as the Volvo Ocean Race and Clipper Challenge round-the-world yachts. The Cape Horn uses two diaphragm feed pumps in parallel, capable of being run on a single pump for or two pumps, this watermaker is highly reliable when you need it most.

The Cape Horn Extreme makes 15 gallons of fresh water an hour using only 19 amps on 12 volts or 10 amps on 24 volts. The modular design and quiet operation makes this watermaker easy to install anywhere. Perfect for a medium sized sailboat or yacht, for a boater who is hands on.


  • Redundant dual feed pumps for maximum reliability
  • simple analog control panel
  • compact modular design
  • Spectra's Unique Clark Pump for efficiency and reliability
  • High and low speed operation for customizable management and output volume
  • Low power consumption, can be powered by batteries, solar, or wind
  • Whisper quiet
  • Commercial grade diaphragm pumps with run dry protection
  • System includes installation kit, handheld water quality tester, and product sample valve
  • Z Ion Compatible

Why You Should Consider Purchasing your Spectra Cape Horn Extreme from Daily Watermakers:

At Daily Watermakers we want you to have a great experience when you purchase your watermaker. We offer the best prices, free shipping, and expert technical advice before and after you buy a watermaker. Please see our contact page for any questions you may have.

Spectra Watermakers Cape Horn Extreme 330 Specifications

Production / Day330 Gallons / 1249 Liters
Production / Hour15 Gallons / 56 Liters
Power Requirement
12v DC 19A / 24v DC 10A
Weight65 lbs / 29 Kg
Pre Filters
Single 5 micron sediment filter
ControlsAnalog remote monitoring panel
Installation Requirements
Dedicated 3/4" Thru-hull with a forward facing scoop
Dry and well ventilated
MembranesOne single 40" membrane
WarrantySpectra standard warranty
Shipping Weight
95lbs / 43Kg
Shipping Dimensions
47" x 23" x 18"
120cm x 59cm x 46 cm

Everything That You Will Receive with The Watermaker

  • 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
  • one 40 inch high rejection/high yield spiral wound reverse osmosis membrane and Spectra free flow ultra efficient high pressure vessel assembly
  • 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
  • 25ft 3/4" Suction hose
  • 25 ft. 5/8" reinforced sea water hose
  • 25 ft. Low pressure 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

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