Johnson Bilge Alert / High Water Level Alarm Panel with Sensor
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Johnson Bilge Alert / High Water Level Alarm Panel with Sensor

  • 3-Position Rocker Switch (Test / Off / Armed)
  • Select Voltage, Max. Current Draw: 20 Amps @ 12 Volt DC
  • Control Panel Features LED Warning Light and 100 dB Audible Alarm
  • Item #: 
    Johnson Pump
    Model #: 
    Multiple Models Available
    Shipping Weight: 
    0.45 Lbs.
    Our Price:
    From: $79.99  To: $89.99
    79.99 89.99
    Please enter quantity below.

    Model #
    12 Volt DC
    72303 12V
      *In Stock!*
    Our Price: $79.99
    24 Volt DC
      *In Stock!*
    Our Price: $89.99
    Click the "More Info" button above for specific information about that product.

    Johnson Bilge Alert / High Water Alarm Panel with Sensor


    • System uses patented Mirus™ field-effect detector cell
    • Alarm sensor is small, easy to mount and contained within a fully sealed case
    • When activated, system triggers a 100 dB piezo alarm and LED warning light on control panel
    • 3-way rocker switch on panel (Test / Off / Armed) can disable audible piezo alarm while keeping LED warning light lit
    • Built-in 8-second delay prevents false alarms
    • Mercury-free sensor with no moving parts


    • Johnson Model No. 72303
    • Nominal Voltage: Specify 12 or 24 Volt DC
    • Max. Current Draw: 20 Amps @ 12 Volt DC
    • Sensor Dimensions: 0.2" H x 1" W x 2" L
    • Panel Dimensions: 2" H x 2.47" W
    • Wire Length: 30"

    For further details see Data Sheet for this product

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to

    Johnson Bilge Pump Control Panel
    Item #: 503246
  • 3-Position Rocker Switch (Automatic / Off / Manual)
  • Select Voltage (12 or 24 Volt DC)
  • Panel Includes Integrated Fuse Holder, Fuses and Operating Light
    Model #:
    Multiple Voltage Choices Available

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