Defender Home Page
Phone: 800-628-8225 Fax: 800-654-1616 Int'l.: 860-701-3400 Email: Contact Us
Follow us on Facebook
Shipping Info
Defender Home Page
Your Cart
null View Cart View Shopping Cart
null Check My Order(s)
null Track My Package(s)
Conversion Chart
Shopping Areas
Boats & Motors
null Defender Seal null
promo A
promo B
promo C
promo D

Cal Marine MS320 Water Circulation Pump - 230 Volt

  • Flow Rate: 320 GPH, Port Size: 1/2" Inlet / 1/4" Discharge
  • Nominal Voltage: 230 Volt AC, Current Draw: 0.7 Amp
  • Submersible, Suitable for a Variety of Salt or Fresh Water Applications
  • Item #: 
    Cal Marine
    Model #: 


    Shipping Weight: 
    5.45 Lbs.
    Our Price:
    Status:   null Call to confirm

    Quantity : 


    Available Models:

    MS320-6 = 115 Volts AC

    MS320-6-2 = 230 Volts AC

    Cal Marine Pumps are built to deliver trouble-free service in fresh, salt or chlorinated water applications.


    • Typically used as a continuous-duty marine air conditioning pump
    • Premium stainless steel and bronze construction
    • Equipped with flow adjuster and Viton seal
    • Use submerged or in open air
    • Can be used in hot water application up to 110°F
    • Extremely quiet operation
    • Corrosion resistant
    • Thermally protected
    • Mount in horizontal or volute-down position
    • Optional mounting bracket available
    • UL listed, ABYC compliant and USCG approved
    • Two-year warranty


    • Cal Model No. MS320B
    • Flow Rate: 320 GPH
    • Port Size: 1/2" MNPT intake with 1/4" MNPT discharge
    • Max. Liquid Temperature: 110°F
    • Nominal Voltage: 115 or 230 Volt AC
    • Max. Current Draw: 115 volt @ 1.3 or 230 Volt @ 0.7 Amp
    • Power Cord Length: 6 ft.

    Note: Pump is not self-priming and must be installed below the waterline.


    Cal Marine Mounting Bracket For Air Conditioning Pumps
    Item #: 500906
  • Cal Marine Mounting Bracket for Air Conditioning Pumps
  • Designed for Cal MS320B, MS580-115 and MS580-230 Pumps
  • Material: Stainless Steel Base and Adjustable Clamp
  •  Include
    Model #:

    Have A Suggestion?

    Help us make our site better for everyone! Let us know you've found something wrong or frustrating on this page and we will improve it. Please mark each that apply.

    Product has been improperly categorized
    Page loads too slowly
    Product information is incorrect
    Page has errors or bugs
    Site is frustrating or difficult to use
    Product image is missing or wrong
    Cannot find my size
    Spelling errors on page
    Not enough product information

    Comments or Examples:
    Examples: Missing information such as dimensions and model number, typos, inaccuracies, etc...

    Please include your e-mail address below if you would like us to respond to your comments or questions.             

    Join Our Email List And Receive our Monthly Promotions
    Defender Email Specials
    Click Here For Our Privacy Policy