Quick view Blue Sea Systems Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200] 1733200 Mini OLED Voltmeter - BlueMonitors DC voltage on a bright, waterproof, daylight readable OL MSRP: $57.49 Was: Now: $45.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739] 1739 Mini OLED Tank Meter - YellowMonitors essential electrical system parameters on a bright, wate MSRP: $57.49 Was: Now: $48.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200] 1739200 Mini OLED Tank Meter - BlueMonitors essential electrical system parameters on a bright, wat MSRP: $57.49 Was: Now: $48.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1741 Mini OLED Temperature Meter [1741] Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, MSRP: $80.06 Was: Now: $63.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200] 1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a br MSRP: $72.44 Was: Now: $63.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810] 1810Features:Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely cal MSRP: $156.45 Was: Now: $110.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811] 1811Features:Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800-can be precisely calib MSRP: $156.45 Was: Now: $110.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1820 Submersible Temperature Sensor [1820] 1820 Submersible Temperature SensorFeatures:General temperature sensor designed to work for most ap MSRP: $20.90 Was: Now: $15.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1821 Universal Temperature Sensor [1821] Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED MetersIncludes double- MSRP: $19.87 Was: Now: $14.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830] M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteri MSRP: $364.20 Was: Now: $316.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1832 M2 DC Ammeter [1832] M2 DC AmmeterMonitors DC Amperage with large, bright display. Accurately measure and monitor the am MSRP: $364.20 Was: Now: $316.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1833 M2 DC Voltmeter [1833] M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the v MSRP: $324.44 Was: Now: $283.99 Out of stock
Quick view Blue Sea Systems Blue Sea 1836 M2 AC Ammeter [1836] M2 AC AmmeterMonitors AC Amperage on large, bright display. Supports programmable current transform MSRP: $328.87 Was: Now: $286.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1837 M2 AC Voltmeter [1837] M2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the vo MSRP: $364.20 Was: Now: $315.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1838 M2 AC Multimeter [1838] M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable curren MSRP: $384.59 Was: Now: $334.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1839 M2 OLED Tank Monitor [1839] M2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system paramet MSRP: $364.20 Was: Now: $316.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1842 M2 OLED Digital Bilge Meter [1842] 1842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical sy MSRP: $364.20 Was: Now: $315.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 1850 M2 Vessel Systems Monitor [1850] 1850 M2 Vessel Systems MonitorPerforms comprehensive monitoring of four critical systems in one com MSRP: $447.73 Was: Now: $354.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001] PowerPost High Amperage Cable Connector 1/4" StudFeatures:Connects high amperage cables securelyGla MSRP: $17.64 Was: Now: $12.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002] 2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud MSRP: $17.64 Was: Now: $12.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003] 2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud termina MSRP: $17.64 Was: Now: $12.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud [2010] PowerPost High Amperage Cable Connector #10 StudFeatures: Insulated single stainless steel stu MSRP: $11.76 Was: Now: $8.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011] 2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud MSRP: $11.76 Was: Now: $8.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16" [2016] Dual PowerPost ConnectorsDesigned for connecting high amp conductorsIncludes one black and one red MSRP: $28.88 Was: Now: $20.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017] Dual PowerPost ConnectorsDesigned for connecting high amp conductorsIncludes one black and one red MSRP: $28.88 Was: Now: $20.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018] Dual PowerPost ConnectorsDesigned for outboard engine installation when factory cables need to be e MSRP: $28.88 Was: Now: $20.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019] PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" termin MSRP: $31.34 Was: Now: $22.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020] PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal stud MSRP: $23.10 Was: Now: $16.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2101 PowerPost Plus Cable Connector - 1/4" Stud [2101] 2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spac MSRP: $33.69 Was: Now: $23.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2102 PowerPost Plus Cable Connector - 5/16" Stud [2102] 2102 PowerPost Plus Cable Connector - 5/16" StudEnables connection of multiple smaller wires in spa MSRP: $33.69 Was: Now: $23.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2103 PowerPost Plus Cable Connector 3/8" Stud [2103] 2103 PowerPost Plus Cable Connector 3/8" Stud Enables connection of multiple smaller wires in MSRP: $33.69 Was: Now: $23.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud Terminal [2104] 2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud TerminalSpecifications:Max Voltage: 300 V AC/4 MSRP: $145.40 Was: Now: $103.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal Screws [2105] 2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal ScrewsBusbars are used to consolidate multiple MSRP: $99.29 Was: Now: $52.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud Terminal [2107] 2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud TerminalSpecifications:Maximum Voltage: 300 MSRP: $217.52 Was: Now: $155.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2126 Maxibus 6 x 516-18 Stud Common [2126] 6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage 250 Amperes AC/DCVolt MSRP: $105.92 Was: Now: $56.99 Out of stock
Quick view Blue Sea Systems Blue Sea 2127 Maxibus 4 x 516-18 Stud Common [2127] 4 x 5⁄16- 18 Stud TerminalPart# 2127 SpecificationsContinuous Amperage 250 Amperes AC/DCVolt MSRP: $67.93 Was: Now: $36.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2128 Maxibus 6 x #10-24(Screws) w/2 x 516"(Studs) [2128] 2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Ampe MSRP: $66.86 Was: Now: $35.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2138 Medium Duty Push Button Reset-Only - 15A [2138] 2138Amperage: 15AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection C MSRP: $62.78 Was: Now: $44.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2139 Medium Duty Push Button Reset-Only - 20A [2139] 2139Amperage: 20AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection C MSRP: $62.78 Was: Now: $44.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2140 Medium Duty Push Button Reset-Only - 30A [2140] 2140Amperage: 30AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection C MSRP: $62.78 Was: Now: $44.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2141 Medium Duty Push Button Reset-Only - 40A [2141] 2141Amperage: 40AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection C MSRP: $62.78 Was: Now: $44.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2142 Medium Duty Push Button Reset-Only - 50A [2142] 2142Amperage: 50AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection C MSRP: $62.78 Was: Now: $44.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2143 Medium Duty Push Button Reset-Only - 60A [2143] 2143Amperage: 60AFeatures:Weatherproof Can be used as Main, Branch, or 24 hour circuit protection C MSRP: $62.78 Was: Now: $44.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2145 ML-Series Remote Control Contura Switch - (ON) OFF (ON) [2145] 2145Pole/Throw: SPDTAction: (ON) OFF (ON)Features:Vibration, shock, thermoshock, moisture and salt MSRP: $29.74 Was: Now: $21.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2146 ML-Series Remote Control Contura Switch - ON-OFF-ON [2146] 2146Pole/Throw: SPDTAction: ON OFF ONFeatures:Vibration, shock, thermoshock, moisture and salt spra MSRP: $27.49 Was: Now: $19.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2151 Terminal Fuse Block - 3/8" Mounting Hole - 2 Terminal Studs [2151] 2151Features:New isolated stud design uses standard 5/16" hardware and permits stacking of terminal MSRP: $46.27 Was: Now: $32.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2155 - Remote Control Contura Switch w/Lockout Slide [2155] 2155 - Remote Control Contura Switch with Lockout SlideVibration, shock, thermoschock, moistu MSRP: $29.74 Was: Now: $21.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2201 Black Terminal Feed Through Connector [2201] Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high curre MSRP: $29.41 Was: Now: $21.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2202 Red Terminal Feed Through Connectors [2202] Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high curre MSRP: $29.41 Was: Now: $21.99 Add to Cart
Quick view Blue Sea Systems Blue Sea 2203 Black Terminal Feed Through Connector [2203] Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high curre MSRP: $33.05 Was: Now: $23.99 Add to Cart
