Welcome to Defender Canada! 
Bilge Monitors & Float Switches
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Johnson Replacement Bilge Pump Intake Basket - 54235PK
$12.20 -
Johnson Replacement Bilge Pump Intake Basket - 54264PK
$13.47 -
Johnson Replacement Bilge Pump Intake Basket - 54274PK
$15.52 -
9% offSeachoice Universal Float Switch
$25.77 - $28.80$23.25 - $26.83 -
6% offSeachoice Bilge Pump Control Switch - 19391
$34.42$32.06 -
Seachoice Automatic Bilge Pump Float Switch - 26014SC
$33.01 -
9% offAttwood Automatic Float Switch - 4202-7
$40.06$36.12 -
9% offAttwood Float Switch - 4201-7
$42.88$38.65 -
9% offAqualarm Bilge High Water Level Alarm Detector - 208A - 20120
$45.70$41.19 -
SHURflo Bilge Switch - 359-111-30
$46.13 -
9% offAttwood S3 Series Automatic Bilge Switch - 4801-7
$58.39$52.61 -
SHURflo Bilge Switch - 359-111-40
$55.50 -
9% offWhale Electric Bilge Switch - BE9003
$62.62$56.42 -
9% offAqualarm Heavy Duty Pump Switch - 20090
$65.44$58.96 -
Rule Rule-A-Matic Bilge Pump Float Switch
$59.52 - $66.22 -
Water Witch Submersible Electronic Bilge Pump Switch 101
$64.88 - $74.26 -
Johnson Ultima Switch - 36303
$64.88 -
9% offAqualarm Pump Counter - 20045-SM
$73.90$66.57 -
9% offAqualarm Bilge Pump Cycle Counter - 20045
$76.72$69.11 -
Rule Rule-A-Matic Plus Float Switch
$75.60 - $82.29 -
9% offAqualarm Bilge High Water Alarm with Detector - 20240
$85.18$76.72 -
Water Witch Bilge Pump Switch - 217
$84.97 -
Maretron Bilge High Water Detector - BHW100
$86.31 -
Rule SuperSwitch Bilge Pump Float Switch
$87.65 - $94.35 -
9% off
Whale Electric Bilge Switch with Time Delay - BE9006
$99.28$89.41 -
9% offRule Alarm Gauge for High Water Bilge Alarm - M-1507
$100.71$90.69 -
30% offMaretron Vacuum Switch - VS-07.0HG
$130.30$90.91 -
9% offAqualarm Bilge Pump Alarm - 20042
$102.10$91.95 -
9% offWater Witch Submersible Electronic Bilge Pump Switch
$97.87 - $109.15$93.01 - $98.30 -
Water Witch Audible Bilge Alarm with Mute - BP500RD
$95.69 -
9% offAqualarm High Bilge Water Level Warning System - 20131
$107.74$97.03 -
9% offAqualarm Smart Bilge Pump Switch with Alarm - 20038
$134.53$121.14 -
9% offMTI Industries High Bilge Water Alarm - SA-1000XL
$134.55$121.16 -
Rule High Water Bilge Alarm
$127.84 - $146.59 -
Water Witch Bilge Pump Cycle Counter - BC100RD
$130.52 -
Johnson Pump Bilge Alert/High Water Level Alarm with Sensor - 72303
$131.86 -
9% offJohnson Pump Bilge Alert/High Water Level Alarm Panel with Ultima Switch
$144.40 - $148.63$133.83 - $144.40 -
9% offOsculati Automatic Bilge Pump Switch - 16.609.00
$152.86$137.64 -
9% offGroco Bilge Pump Control Kit - AS-100
$158.50$142.71 -
9% offRule ECO Switch
$164.14 - $171.19$154.13 - $155.97 -
Siren Marine Wireless High-Water Sensor for Siren 3 - SM-WLS3-HIWS-917
$196.72 -
Siren Marine Wireless Bilge Pump Sensor for Siren 3 - SM-WLS3-BILG-917
$196.72 -
9% offAqualarm Bilge Supervisor - 20074
$220.54$198.55 -
9% offMTI Industries Gas Fume/Fire/Bilge Water Alarm - MGD-10XL
$353.08$317.83 -
9% offBlue Sea Systems M2 OLED Digital Bilge Meter - 1842
$426.43$383.85 -
Maretron Switch Indicator Module - SIM100-01
$466.73