Welcome to Defender Canada! 
Bilge Monitors & Float Switches
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Rule Rule-A-Matic Bilge Pump Float Switch
$59.92 - $65.44 -
Rule Rule-A-Matic Plus Float Switch
$75.10 - $82.00 -
Rule SuperSwitch Bilge Pump Float Switch
$90.28 - $94.42 -
6% offWater Witch Submersible Electronic Bilge Pump Switch
$91.66 - $101.32$85.29 - $94.27 -
6% offWater Witch Submersible Electronic Bilge Pump Switch 101
$64.06 - $72.34$59.62 - $67.32 -
Johnson Ultima Switch - 36303
$66.82 -
6% offAqualarm Heavy Duty Pump Switch - 20090
$58.54$54.49 -
9% offWhale Electric Bilge Switch - BE9003
$58.54$52.75 -
Water Witch Bilge Pump Switch - 217
$83.38 -
Johnson Pump Bilge Alert/High Water Level Alarm Panel with Sensor
$135.82 - $145.48 -
6% offAqualarm Bilge High Water Alarm with Detector - 20240
$79.24$73.74 -
Rule High Water Bilge Alarm
$116.50 - $144.10 -
6% offWater Witch Bilge Pump Cycle Counter - BC100RD
$134.44$125.07 -
6% offAqualarm Smart Bilge Pump Switch with Alarm - 20038
$112.36$104.54 -
Groco Bilge Pump Control Kit - AS-100
$155.14 -
6% offWater Witch Audible Bilge Alarm with Mute - BP500RD
$98.56$91.71 -
6% offAqualarm Bilge High Water Level Alarm Detector - 208A - 20120
$41.98$39.09 -
6% offAqualarm Bilge Pump Cycle Counter - 20045
$70.96$66.04 -
9% off
Whale Electric Bilge Switch with Time Delay - BE9006
$93.04$83.80 -
6% offAqualarm Pump Counter - 20045-SM
$66.82$62.19 -
6% offAqualarm High Bilge Water Level Warning System - 20131
$99.94$92.99 -
Siren Marine Wireless High-Water Sensor for Siren 3 - SM-WLS3-HIWS-917
$192.54 -
Siren Marine Wireless Bilge Pump Sensor for Siren 3 - SM-WLS3-BILG-917
$192.54 -
Seachoice Bilge Pump Control Switch - 19391
$33.70 -
Seachoice Universal Float Switch
$26.84 - $30.00 -
SHURflo Bilge Switch - 359-111-30
$47.50 -
9% offBlue Sea Systems M2 OLED Digital Bilge Meter - 1842
$417.37$375.69 -
MTI Industries High Bilge Water Alarm - SA-1000XL
$118.59 -
SHURflo Bilge Switch - 359-111-40
$57.16 -
9% offAttwood Float Switch - 4201-7
$40.60$36.60 -
6% offAqualarm Bilge Pump Alarm - 20042
$97.18$90.42 -
MTI Industries Gas Fume/Fire/Bilge Water Alarm - MGD-10XL
$345.58 -
9% offMaretron Switch Indicator Module - SIM100-01
$458.74$412.93 -
Attwood Automatic Float Switch - 4202-7
$37.84 -
Rule ECO Switch
$153.76 - $159.28 -
6% offAqualarm Bilge Supervisor - 20074
$189.64$176.41 -
Maretron Bilge High Water Detector - BHW100
$84.49 -
Attwood S3 Series Automatic Bilge Switch - 4801-7
$54.40 -
Osculati Automatic Bilge Pump Switch - 16.609.00
$149.62 -
Seachoice Automatic Bilge Pump Float Switch - 26014SC
$32.32 -
Rule Alarm Gauge for High Water Bilge Alarm - M-1507
$94.44 -
20% offMaretron Vacuum Switch - VS-07.0HG
$127.54$101.68 -
Seachoice Universal Series Float Switch - 69792
$24.18 -
Seachoice Automatic Bilge Pump Switch - 36152SC
$65.44