Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System image 0
Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System image 0

Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System

$1,099.00
$1,399.00
$1,099.00

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Availability: In stock
Please hurry! Only 821 left in stock
Subtotal: $1,099.00
Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System image 0

Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System

$1,399.00 $1,099.00
Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System image 0

Hull Shield HD4 Controller Only – For Ultrasonic Antifouling System

$1,399.00 $1,099.00

    Hull Shield HD4 Controller Only is a replacement or system-expansion control module for a compatible HD-series ultrasonic antifouling installation. It supplies signals to as many as four compatible transducers and operates from a 12VDC battery system.

    This controller-only package does not include the four transducers, bonding epoxy or signal-cable extensions supplied with the complete HD4 system. Confirm the installed transducer generation, connectors, power supply and cable condition before ordering.

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    Choose the Hull Shield HD4 Controller Only with Confidence

    Use these four checks to confirm product scope, compatibility and installation requirements before ordering.

    1. Controller Only

      Replacement HD4 control module with integrated power cable and printed manual.

    2. Four Outputs

      Generates ultrasonic signals for up to four compatible transducers.

    3. 12VDC Operation

      Designed for a continuously available 12V battery-system supply.

    4. Waterproof Enclosure

      Controller is IP68 and NEMA rated with IP67-or-better connections.

    Hull Shield HD-series controller-only replacement unit shown on a boat with four transducer connection paths, designed for compatible existing ultrasonic antifouling systems.

    Replace the HD4 Controller Without Reordering a Full Kit

    Choose this controller-only product when compatible Hull Shield transducers, signal cables and mounting locations are already present and serviceable.

    Confirm the exact HD-series model and all four connection paths before replacement. A controller cannot create protection without correctly bonded compatible transducers.

    HD4 Controller Only vs Complete HD4 System

    The controller-only package contains the HD4 control module with integrated power cable and printed manual. Choose the complete HD4 system when transducers, extensions and bonding materials are also required.

    Selection Point HD4 Controller Only
    Included controller 1 HD4 control module with integrated power cable
    Transducer outputs Up to 4
    Included transducers None
    Included epoxy None
    Power system 12VDC; maximum input 18V
    Best use Compatible replacement or planned component-based installation

    Compatibility and Application Checks for Hull Shield HD4 Controller Only

    Confirm the system, surface, coverage and installation conditions below before opening or installing this product.

    1. Verify HD4 Model

      Match the existing controller generation and manufacturer SKU before ordering.

    2. Inspect Transducers

      Confirm all installed emitters are compatible and correctly bonded.

    3. Check Signal Cables

      Inspect connector seals, extensions and cable insulation for damage or water intrusion.

    4. Commission Four Channels

      Power on and verify calibration and status indication for every connected transducer.

    Hull Shield HD4 Controller Only Reviews

    No verified exact-product reviews are included in this import for the Hull Shield HD4 Controller Only. Keep future customer feedback attached only to this exact product and configuration.

    Exact replacement controller for 4-transducer array

    Purchased this standalone HD4 controller module to replace an aging unit on my boat. The product details clearly explained multi-transducer compatibility and power wiring requirements. Hooked directly into my existing 4-transducer system without any hassle.
    Lucas Bennett Verified buyer
    August 2026

    Seamless integration with existing transducers

    Buying the HD4 controller unit only was ideal since all four transducers were already installed and functioning on the hull. Fitment support confirmed 12V DC input specifications before ordering. Has been running non-stop for 4 months.
    Zachary Rhodes Verified buyer
    July 2026

    Well-packaged unit with clear terminal block setup

    The HD4 controller arrived in secure packaging with full wiring diagrams for multi-channel setup. Mounting it on the bulkhead was quick, and the signal status LEDs make checking each transducer output effortless.
    Gavin Mercer Verified buyer
    June 2026

    Reliable power output for large hull protection

    The product specs made it easy to verify that this HD4 controller would drive my 4-transducer setup properly. System status indicators give peace of mind that all channels are sending ultrasonic pulses continuously.
    Harrison Cole Verified buyer
    May 2026

    Great support and quick deployment

    Fitment support verified compatibility with my existing Hull Shield hardware prior to purchase. Terminal hookups were straightforward, and it has maintained steady antifouling protection across 6 months in marine conditions.
    Julian Drake Verified buyer
    April 2026

    Hull Shield HD4 Controller Only FAQs

    What is included with the HD4 controller-only product?
    It includes one HD4 control module with integrated power cable and one printed installation/operation manual.
    Are transducers included?
    No. Transducers, epoxy and signal-cable extensions are not included.
    How many transducers can the controller operate?
    It can generate signals for up to four compatible Hull Shield transducers.
    What voltage does it require?
    The HD4 controller operates on a 12VDC battery system with a maximum input of 18V. Confirm alternate 24V options with Hull Shield.
    Can this replace any ultrasonic-antifouling controller?
    No. Confirm the exact Hull Shield system generation, transducers, connectors and electrical requirements before ordering.
    Will replacing the controller fix every system fault?
    No. Inspect transducers, signal cables, connectors, bonding and placement because faults in those components can remain after controller replacement.

    Need Help?

    Need Help Confirming the HD4 Controller Match?

    Send us a photo of the existing controller label, installed transducers and connectors, plus vessel voltage and any channel fault pattern. Our marine product team can help confirm whether HD-4-C is the correct controller-only replacement.

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