Shopping from Canada? 
Go to Defender Canada!
Promotions
-
Marinco PowerCord Plus Cordset - 50A
$425.99 - $733.99 -
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm with Internal Battery
$133.19 -
8% offMarinco Reverse Y Adapter - 30A Male to 50A Female - RY504-2-30
$352.35 -
Up to 8% offMarinco Male to Female Y Adapter
$172.95 - $215.27 -
10% off
Fireboy CMD6 Marine Carbon Monoxide Alarm
$136.79 -
Up to 10% off
Fireboy Propane Fume Detector with 1 Sensor and Solenoid
$389.69 - $404.09 -
8% offMarinco EEL ShorePower Male to Female Adapter - S30-15
$40.47 -
8% offMarinco Locking Pigtail - 30A Female to 50A Male - 121A
$120.51 -
Up to 10% offMarinco Pigtail Adapter - 125V
$45.07 - $181.79 -
Up to 10% offFireboy Propane Fume Detector with 2 Sensors and Solenoid
$553.49 - $560.69 -
8% offMarinco EEL Pigtail Adapter - 30A Female to 50A Male - P504-30
$160.99 -
Up to 15% offFireboy 2 Channel Gasoline Fume Detector with Blower Control
$528.69 - $573.29 -
8% offMarinco EEL Y-Adapter (2) 30A Female to (1) 50A Male - Y504-2-30
$218.03 -
20% off
Fireboy CMD6 Marine Carbon Monoxide Alarm Interconnect
$135.99 - $152.99 -
10% offFireboy Propane Fume Detector with 2 Sensors - Auto Shut-off - P-2BNV-R
$463.49 -
Up to 10% off
Fireboy Propane Fume Detector with 1 Sensor
$322.19 - $336.59 -
8% offMarinco EEL Pigtail Adapter - 30A Female to 15A Male - P15-30
$52.43 -
Up to 15% off
Fireboy Propane Gas and Gasoline Sensor
$137.69 - $188.09 -
8% offMarinco Pigtail 50A Female to 50A Male - 123A
$170.19 -
8% offMarinco EEL Pigtail Adapter -15A Female to 30A Male - P30-15
$57.95 -
8% offMarinco Locking Pigtail - 50A Female to 30A Male - 117A
$161.91 -
8% off
Marinco EEL Y-Adapter (2) 50A Female to (1) 50A Male - Y504-2-503
$468.27 -
10% offFireboy 2-Channel Gasoline Fume Detector - G-2B-R
$530.09 -
Up to 10% off
Fireboy Single Channel Propane Fume Detector with 1 Sensor
$314.99 - $322.19 -
8% off
Marinco EEL Y-Adapter (2) 30A Female to (1) 30A Male - Y30-2-30
$196.87 -
8% offMarinco EEL Pigtail Adapter - 50A Female to 30A Male - P30-503
$173.87 -
8% offMarinco Pigtail (1) 30A Male to (3) 15A Female - 199128
$100.27 -
8% offMarinco EEL ShorePower Male to Female Adapter - S15-30
$40.47 -
Up to 15% offFireboy Methane Fume Detector LED Display
$612.84 - $730.79 -
8% offMarinco EEL Pigtail Adapter - 50A Female to 50A Male - P504-503
$228.15 -
Up to 10% off
Fireboy Propane/CNG Control with Solenoid Valve
$203.39 - $255.59 -
8% offMarinco EEL Pigtail Adapter - 30A Female to 50A Male - P503-30
$137.99 -
8% offMarinco Right Angle 30A Female to 30A Male Pigtail - 1RPC
$37.71 -
8% offMarinco Shore Power Pigtail Adapter - 150SPP
$59.79 -
Up to 10% off
Fireboy Methane Gas Sensor
$180.89 - $255.59 -
Marinco Universal Watertight Connector Cap - 199111PK
$14.73 -
Up to 10% offFireboy MS-3 Methane Gas Sensor Extension Cable
$69.29 - $181.79 -
10% off
Fireboy CMD6 Carbon Monoxide Alarm with Internal Battery/Relay & Interconnect
$156.59 -
8% offMarinco EEL Pigtail Adapter - 50A Female to 30A Male - P30-504
$188.59 -
13% offMarinco EEL ShorePower Male to Female Adapter - S20-15
$46.10 -
8% off
Marinco EEL Y-Adapter (2) 50A Female to (1) 50A Male - Y504-2-504
$453.55 -
5% offMarinco 15A Straight Blade to 50A Female Adapter - S15-504
$51.29 -
10% offFireboy 1-Sensor LPG Propane Gas Fume Detector - S2B-LPG-X
$678.59 -
10% offFireboy 1-Sensor Compressed Natural Gas Fume Detector - S2B-CNG-X
$678.59 -
10% offFireboy MS-2 to MS-3 Methane Gas Sensor Connector Cable - 10' Cable Extension
$46.79 -
10% off
Fireboy Emergency Fume Detection Horn - RH-3
$39.59 -
10% offFireboy 3-Sensor Methane Gas Detection Sensor Splitter - SPLITTER04-3
$292.49 -
10% off
Fireboy 2-Sensor Methane Gas Detection Sensor Splitter with Boots - SPLITTER01-D
$247.49