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Water detector sensor - 1-1/2"
1-1/2" FPT cooling water flow detector monitors water flow to prevent engine damage due to overheating.
Two wire, non-polar switch that is normally closed and opens at 6 to 8 GPM of raw water flow.
Activates a visual or audible device (not included) immediately whenever raw water flow is stopped or impeded.
AquaAlarm cooling water flow detector is unique in the marine electronic industry, developed and patented specifically for marine engines.
Multi-voltage, for 12V, 24V, & 32V systems.
Item#:
AQL206
Manufacturer:
Aqualarm
Available:
In Stock
140.9400
Your Price:
112.75
EACH
Remote fire detector - 135 F
Remote fire detector sensor. Activates at 135 degrees F. Compact size, easy two wire installation. Size: 2-1/2" diameter.
Item#:
AQL204
Manufacturer:
Aqualarm
Available:
In Stock
86.1300
Your Price:
68.90
EACH
Automatic alarm system kit
Single engine 12 volt vessel monitoring system with indicator panel, PC board, & detectors.
Includes the following detectors: low oil pressure, fire, engine temperature, high bilge water, cooling water flow, and bell.
This marine alarm system is completely automatic, no switches to set; just start your engine and go.
If the systems alarms, the loud bell alerts to trouble and the easy-to-read warning lights indicates which detector is activated.
Panel includes a mute button.
Panel size: 4"W x 6"H x 2-3/4"D.
Item#:
AQLASM12-S
Manufacturer:
Aqualarm
Available:
In Stock
421.6500
Your Price:
337.32
EACH
Bilge alarm
Float switch and an in-dash gauge. Gives a visual and audible alarm. Allows an unmanned compartment to be constantly monitored. For more compartments, add more float switches. 32 volt.
Item#:
RUL31AL
Manufacturer:
Jabsco, Flojet, Rule, Xylem
Available:
In Stock
139.5800
Your Price:
104.68
EACH
Bilge alert alarm
100db alarm and LED warning light. Ignition protected and sealed construction. Three way panel switch: Test / Armed / Off.
Item#:
JNP72303
Manufacturer:
Johnson Pumps
Available:
Out of Stock
123.8200
Your Price:
105.25
EACH
Call to Order
Swichgage level switch
Die-cast aluminum construction. Monitors level of coolant, lube, or fuel. Features: - Indicating gauge - Low limit switch - Float operated. Dimensions: 5" X 4-3/4" X 2-3/4".
Item#:
HOUEL150K1
Available:
In Stock
389.3200
Your Price:
346.49
EACH
Waterproof cap
Waterproof cap for toggle switch.
Fits SeaDog toggle switch # 420465, 420465-1, 420101,
420101-1, 420102, 420102-1, 420103, 420103-1, 420104,
420104-1, 420105, 420105-1, 420108, 420108-1, 420109,
and 420109-1.
DP is display packed.
Item#:
SDG420479-1
Manufacturer:
Sea-Dog Corp
Available:
In Stock
3.8500
Your Price:
2.73
EACH
250 ampere solenoid switch
250 ampere L-series solenoid switch.
Hermetically sealed contacts.
Activated by optional remote ON/OFF #8230 switch.   
Coil control circuit minimizes heating and amperage draw.  
Nominal voltage: 12/24V DC.
Cranking rating 30 seconds: 1,000A.
Intermittent rating 5 minutes: 400A.
Continuous rating: 250A.
Terminal stud size: 5/16".
IP67 rating: protected against immersion up to 1 meter for 30 minutes.
Dimension: 3.17" wide x 2.63" high x 2.86" deep.
Item#:
BLS9012
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
344.3700
Your Price:
275.50
EACH
Col Hersee 83280
Grey rubber cap for push-button switches.
Rubber cap is permanently fastened to the integral mounting nut by a rolled brass bezel.
Deep threaded 5/8"-32 aluminum mounting nut assures a positive seal.
Durable, resilient rubber, embossed "PUSH".
Fits Cole Hersee and all other push button switches with a 5/8"-32 thread mounting stem.

Item#:
COH83280
Manufacturer:
Permatex / Rain-X
Available:
In Stock
3.8800
Your Price:
3.30
EACH
Waterproof cap
Waterproof cap for toggle switch.
Fits SeaDog toggle switch # 420465, 420465-1, 420101,
420101-1, 420102, 420102-1, 420103, 420103-1, 420104,
420104-1, 420105, 420105-1, 420108, 420108-1, 420109,
and 420109-1.
Item#:
SDG420479
Manufacturer:
Sea-Dog Corp
Available:
In Stock
2.4600
Your Price:
1.75
EACH
Col Hersee 83280-03
Black rubber cap for push-button switches.
Rubber cap is permanently fastened to the integral mounting nut by a rolled brass bezel.
Deep threaded 5/8"-32 aluminum mounting nut assures a positive seal.
Durable, resilient rubber, embossed "PUSH".
Fits Cole Hersee and all other push button switches with a 5/8"-32 thread mounting stem.
Item#:
COH83280-03
Manufacturer:
Permatex / Rain-X
Available:
In Stock
3.5300
Your Price:
3.00
EACH
Cole Hersee 83280-03-BP
Black rubber cap for push-button switches.
Rubber cap is permanently fastened to the integral mounting nut by a rolled brass bezel.
Deep threaded 5/8"-32 aluminum mounting nut assures a positive seal.
Durable, resilient rubber, embossed "PUSH".
Fits Cole Hersee and all other push button switches with a 5/8"-32 thread mounting stem.
Display packed.
Item#:
COH8328003BP
Manufacturer:
Permatex / Rain-X
Available:
In Stock
6.3800
Your Price:
5.42
EACH
Cole Hersee 24117
Universal continous duty solenoid. Insulated. 85A rating. Normally open, 200A carry only. Plasticized steel housing, copper contacts. Straight bracket, 5/16" X 19/32" holes. Weight: .1 lbs.
Item#:
COH24117
Manufacturer:
Permatex / Rain-X
Available:
Out of Stock
72.5700
Your Price:
61.68
EACH
Call to Order
Cole Hersee 81255-BP
Boot For toggle switch protection. Allows any length handle to protrude. Seals tightly to handle. Suitable for all Cole Hersee toggle switches. Blister packaged.
Item#:
COH81255BP
Manufacturer:
Permatex / Rain-X
Available:
In Stock
13.8300
Your Price:
11.75
EACH
Cole Hersee 24213
Continuous duty solenoid relay.
Rating: 200A 12V DC single pole single throw.
Normally open.
Plated steel housing.
Straight bracket, 5/16" X 19/32" holes.

Item#:
COH24213
Manufacturer:
Permatex / Rain-X
Available:
Out of Stock
127.2100
Your Price:
108.13
EACH
Call to Order
Cole Hersee toggle switch cover
Durable silicone rubber. Standard 15/32" 32 thread nickel plated brass hexnut. As nut tightens, rubber forms O-ring seal with panel. Full boots covers standard 11/16" handle. Blister packaged. Color: Gray.
Item#:
COH81264BP
Manufacturer:
Permatex / Rain-X
Available:
In Stock
14.6100
Your Price:
12.42
EACH
Toggle switch cover
Replaces dress nut on WeatherDeck panel switches. Rated IP67-temporary immersion for 30 minutes. UV resistant material resists discoloration and cracking.
Item#:
BLS4138
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
6.1200
Your Price:
4.90
EACH
Circuit Breaker Toggle Guard
Protects toggle circuit breakers from accidental switching.
Fits Blue Sea A-Series single pole toggle circuit breakers.
Uses circuit breaker mounting screw hole.
Includes mounting screws.
Item#:
BLS4100
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
5.2500
Your Price:
4.20
EACH
Flip cover switch guard - red
Flip cover switch guard. Provides maximum switch protection, easily installed. Used with standard 11/16" toggle handles. Steel faceplate, red melamine cover. Size: 1.71" X 1.8" X .67" Weight: .1 lbs.
Item#:
COH82468
Manufacturer:
Permatex / Rain-X
Available:
In Stock
38.9900
Your Price:
33.14
EACH
Black 60 Label Set
60 small format basic DC labels.
Reinforced and waterproof.
Used on most Blue Sea Systems Contura switch water resistant panels and ST-blade fuse blocks.
Dimensions: 0.625" wide x 0.375" high.
Item#:
BLS8214
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
14.1300
Your Price:
11.31
EACH
Add a Battery kit
Simplifies switching and automates charging for a 120A two battery bank solution for inboard and outboard powered boats.
For alternators up to 120 amps.
Simple to operate as an ON/OFF switch, yet effectively manages the switching and charging of two batteries from a single charge source.
Includes a Blue Sea #5511E e-Series Dual Circuit Plus battery switch and a Blue Sea #7610 automatic charging relay.
Dual Circuit Plus battery switch features:
- simplifies switching
- isolates engine and house circuits
- combines batteries for emergency starting
- tin-plated copper studs for maximum conductivity and corrosion resistance.
Automatic charging relay features:
- automatically combines batteries during charging
- isolates batteries during engine cranking and when not charging
- shares the charge between two batteries more efficiently than a battery isolator
- allows efficient dual battery charging without needing regulator adjustment or rewiring.
Item#:
BLS7650
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
255.8700
Your Price:
204.70
EACH
Automatic charging relay unit
500 amp magnetic latching relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine.
Draws very low current in the ON state.
Start isolation can be configured for temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics.
Engine isolation can be configured for isolation of two engine while both are running to protect engine electronics and maximize alternator output.
Dual sensing, senses charge on both battery banks.
Remote control Blue Sea #2146 Contura SPDT switch with integrated LED included.
LED output to remotely indicate when batteries are combined, isolated, in voltage lockout, or in start or engine isolation.
3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance.
One-piece stainless flange nuts ensure safe and secure connections.
Silver alloy contacts provide high reliability for live switching.
IP66 rating - protected against powerful water jets.
Nominal voltage: 12V DC.
Cranking rating 30 sec: 1,450A
Intermittent rating: 700A.
Continuous rating: 500A.
Dimensions: 3.75" wide x 5.47" high x 2.03" deep.
Item#:
BLS7620
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
354.0100
Your Price:
283.21
EACH
Automatic charging relay unit
12 volt automatic charging relay with override switch.
500 amp magnetic latching relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine.
Manual control switch provides an added level of safety allowing control with or without power, and offering LOCK OFF capability for servicing.
Includes Blue Sea #2146 ML-Series remote control contura switch.
Automatically manages the charging of two large battery banks.
Allows paralleling of battery banks for emergency starting.
500 Ampere continuous rating to support high-output alternators.
Magnetic latching relay draws very low current (<40mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when changing state.
Dual sensing, senses charge on both battery banks.
Start isolation can be configured for temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics.
Cranking rating 30 seconds: 1450A.
Intermittent Rating 5 minutes: 700A.
Continuous rating: 500A.
Item#:
BLS7622
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
377.0000
Your Price:
301.60
EACH
Automatic charging relay
24 volt automatic charging relay with override switch.
500 amp magnetic latching relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine.
Manual control switch provides an added level of safety allowing control with or without power, and offering LOCK OFF capability for servicing.
Includes Blue Sea #2146 ML-Series remote control contura switch.
Automatically manages the charging of two large battery banks.
Allows paralleling of battery banks for emergency starting.
500 Ampere continuous rating to support high-output alternators.
Magnetic latching relay draws very low current (<40mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when changing state.
Dual sensing, senses charge on both battery banks.
Start isolation can be configured for temporary isolation of house loadsfrom engine circuit during engine cranking to protect sensitive electronics.
Cranking rating 30 seconds: 1450A.
Intermittent Rating 5 minutes: 700A.
Continuous rating: 500A.
Item#:
BLS7623
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
377.0000
Your Price:
301.60
EACH
Mini ACR solenoid unit
65 amp automatic charging relay.
Automatically combines batteries during charging, isolates batteries when discharging and when starting engines.
Senses charging on two battery banks.
Designed to manage the charging current from alternators up to 65 amps found on most outboards and many inboard engines.
Case design allows surface, rear, or front panel mounting options.
Snap-on cover insulates terminal connections.
One-piece stainless flange nuts ensure safe and secure connections.
Integrated LED indicates automatic charging relay states.
Quick connect terminals for ground and start isolation.
Optional start isolation allows temporary isolation of house loads from engine circuit during cranking to protect sensitive electronics from sags and spikes.
IP67 rating: protected against immersion up to 1 meter for 30 minutes.
Terminal stud size: 1/4"-20.
Intermittent rating 5 minutes: 115A.
Continuous rating: 65A.
Nominal voltage: 12/24V DC.
Dimensions 2.85" wide x 2.85" high x 2.57" deep.
Item#:
BLS7601
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
114.1800
Your Price:
91.34
EACH
Automatic Charging Relay
120 amp automatic charging relay.
Automatically combines batteries during charging, isolates batteries when discharging and when starting engines.
Senses charging on two battery banks.
120A continuous rating to support high output alternators.
Side and bottom knockouts for cable connections.
Clip-on cover insulates terminal connections.
One-piece stainless flange nuts ensure safe and secure connections.
Integrated LED indicates status.
Quick connect terminals for ground and optional features.
Optional start isolation allows temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronics from sags and spikes.
IP67 rating: protected against immersion up to 1 meter for 30 minutes.
Terminal stud size: 3/8"-16.
Intermittent rating 5 minutes: 210A.
Continuous rating: 120A.
Nominal voltage: 12/24V DC.
Dimensions 3.89" wide x 3.50" high x 1.98" deep.
Item#:
BLS7610
Manufacturer:
Marinco, Ancor, Guest, BlueSea
Available:
In Stock
164.8300
Your Price:
131.87
EACH
12 volt relay for lights
Rated to run at 14 volts DC.
Max load of 30 amps.
Item#:
RGIRELAY12V
Manufacturer:
Rigid Industries
Available:
In Stock
40.1100
Your Price:
32.08
EACH
Rocker switch
Stamped brass and injection-molded nylon. Double pole, double throw. Momentary ON / OFF / ON action. 6 bladed terminal. Rated for 15 amps.
Item#:
SDG420244-1
Manufacturer:
Sea-Dog Corp
Available:
In Stock
7.9100
Your Price:
5.62
EACH
Rocker switch
SPDT single pole double throw ON/OFF/ON large rocker switch.
Snaps into standard 7/8" x 1-7/16" panel slot.
Constructed of durable injection molded nylon and stamped brass with wiring for 1/4" blade terminals.
Rating: 15 amps @ 12V DC.
Item#:
SDG420248-1
Manufacturer:
Sea-Dog Corp
Available:
In Stock
12.5200
Your Price:
1.38
EACH
Three-way bilge switch
Three-way bilge pump switch with fuse. For wiring a bilge pump without any hassle. Includes LED indicator light to let you know when the bilge pump is turned on or off.  Features a 3-position toggle switch with auto-off-momentary. Individual circuit 10 amps. Size: 3-1/4" X 2". Waterproof construction.  Requires 2-1/2" x 1-3/8" cutout.
Item#:
SSN50010320
Manufacturer:
SeaSense
Available:
In Stock
35.9900
Your Price:
30.59
EACH
Universal float switch
Usable with any submersible 12-volt pump. Ball type switch is mercury-free. Includes stainless steel mounting hardware.
Item#:
SSN50010330
Manufacturer:
SeaSense
Available:
In Stock
19.2900
Your Price:
16.39
EACH
Solid state bilge pump switch
Automatically activates when touched by water. No moving parts. For salt or fresh water. Converts any manual bilge pump to automatic.
Item#:
SSN50010338
Manufacturer:
SeaSense
Available:
Out of Stock
98.6300
Your Price:
83.84
EACH
Call to Order
Illuminated rocker switch
Brass, nylon and polycarbonate construction. SPDT circuit. Action: Momentary ON / OFF / Momentary ON. Terminals: 4 blades. 15 amps. Display packaged.
Item#:
SDG420259
Manufacturer:
Sea-Dog Corp
Available:
In Stock
7.3900
Your Price:
5.25
EACH
Special Edition USA 4 position battery switch.
Made with USA components.
Small size, high capacity.
6 to 32V DC systems, ignition protected. 
315 amps continuous, 450 amps intermittent.
Removable side skirt for easy cable access.
Polycarbonate body with brass terminals.
Terminal stud size: 3/8".
Dimensions: 4" X 4" X 3".
Item#:
PRK8511DP0USA
Manufacturer:
Perko
Available:
In Stock
51.8800
Your Price:
44.10
EACH
Bilge pump water alarm panel
Bilge water alarm panel provides both an audible and visual warning that the water level in your bilge is above your bilge pump float switch level.
Note: An additional float switch must be installed to activate the alarm on this panel, this float switch is in addition to the existing float switch which activates the bilge pump.
Constructed of injection molded ABS.
Dimensions: 2-7/16"H x 3"W.
Voltage: 12V DC.
Item#:
SDG423033-1
Manufacturer:
Sea-Dog Corp
Available:
In Stock
20.7000
Your Price:
14.70
EACH
Automatic pump switch
Uses a mercury-less switch. Attaches to any SPX Johnson Pump Marine bilge pump Can be used with 6, 12, 24, or 32 V systems Rated for 15 amps.
Item#:
JNP26014
Manufacturer:
Johnson Pumps
Available:
In Stock
22.2300
Your Price:
18.90
EACH
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