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Original & OEM Quality Parts

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Aqualarm 20514 190° Detector Only - 20514 - 968-20514F1

Aqualarm (Canada Only)
$92.15

The Remote Fire Detector (UL and ULC listed) monitors heat level and activates the red light on the optional Warning Panel when the temperature reaches 190°F or Rate of Rise is reached . Multiple Remote Fire Detectors can be wired in parallel on this boat fire alarm.

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Aqualarm 20512 135° Detector Only - 20512 - 968-20512F1

Aqualarm (Canada Only)
$86.20

The Remote Fire Detector (UL and ULC listed) monitors heat level and activates the red light on the optional Warning Panel when the temperature reaches 135°F or Rate of Rise is reached . Multiple Remote Fire Detectors can be wired in parallel on this boat fire alarm.

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Aqualarm 20275 Smoke Warning Panel, 12V - 20275 - 968-20275F1

Aqualarm (Canada Only)
$41.61

Warning panel with large red light and built-in audible buzzer. Designed to be used with 20271 Smoke Detector.

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Aqualarm 20271 Smoke Detector - 20271 - 968-20271F1

Aqualarm (Canada Only)
$197.20

This direct, hard wired Smoke Detector is a photoelectric type that works off the ship's battery.

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Aqualarm 20245 Wet Exhaust Overheat Alarm Kit - 20245 - 968-20245F1

Aqualarm (Canada Only)
$125.85

Monitors exhaust temperature. Lights a red light on the Warning Panel and activates a loud buzzer in the panel when the temperature reaches 200°F. A green ON light the alarm has power and is monitoring. Includes an adjustable 2"-8" aluminum adjustable band for easy installation on the elbow or flexible hose. 5' Tinned wire.

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Aqualarm 20234 Remote Fire Detector & Panel - 20234 - 968-20234F1

Aqualarm (Canada Only)
$156.57

The Remote Fire Detector (UL and ULC listed) and the Warning Panel included in the kit, monitors heat level and activates the red light on the Warning Panel and sounds a loud buzzer, built into the panel,when the temperature reaches 194°F or Rate of Rise is reached . Multiple Remote Fire Detectors can be wired in parallel on this boat fire alarm. Panel size 1-3/4" x 3". Easy two-wire installationIncludes visual & audible warnings

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Aqualarm 20210 Engine Temperature Monitor - 20210 - 968-Aql20210F1

Aqualarm (Canada Only)
$114.95

Normally open detector that closes when boat engine temperature reaches 200°F and activates a loud panel mounted buzzer and red light. Detector bolts to engine block or head bolt. Ideal for metric standard engines. Panel size 3" x 1-3/4".

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Aqualarm 20131 Bilge Water Level Warning System Detector & Bell - 20131 - 968-20131F1

Aqualarm (Canada Only)
$177.38

Bilge water level detector and bell alarm Automatically warns of high water levels at all timesNo false alarms; detector uses unique anti-splash tubeLoud, 100 db bell alarm demands attentionNot disabled by bilge oil or sludge

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Aqualarm 20120 Bilge Water Level Detector - 20120 - 968-20120F1

Aqualarm (Canada Only)
$75.31

The Bilge Alarm Detector is a two lead, non polarity, normally open detector that closes when water rises and activates a visual and/or audible device. It makes an excellent Boat Alarm Detector for bilge high water alarms. It is not intended to switch a bilge pump on or off.

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Aqualarm 20118 Engine Overheat Detector, 1/2" Mpt - 20118 - 968-20118F1

Aqualarm (Canada Only)
$64.41

Two terminal, non polarity, normally open detector that closes when boat engine temperature reaches 200°F and activates a visual and/or audible boat alarm device. Multi voltage switch for 12v, 24v, and 32v. 20118: 1/2' MPT that installs into a 1/2' FPT plugged hole in the engine.

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Aqualarm 20111 Low Oil Pressure Detector - 20111 - 968-20111F1

Aqualarm (Canada Only)
$48.55

Two terminal normally closed switch that opens at 10 psi and closes and when pressure falls below 10 psi. 1/8" FPT. Multi-voltage 12V, 24V, 32V.

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Aqualarm 20107 Electronic Alarm Siren - 20107 - 968-20107F1

Aqualarm (Canada Only)
$88.19

Very loud siren with 6 alternating tones Weather proof and water resistant for outdoor useStainless Steel hardware and epoxy sealed

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Aqualarm 20106 Electronic Alarm Beeper/Buzzer - 20106 - 968-20106F1

Aqualarm (Canada Only)
$47.56

Loud 90dB dual sound Can be wired for Intermittent beeping or continuous buzzingPanel mount with lock nut or surface mountCan be used with any detector

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Aqualarm 20045 Bilge Pump Counter - 20045 - 968-20045F1

Aqualarm (Canada Only)
$126.83

Electronically counts number of times bilge pump switches on Bright LED digital readout with resetRetains count until resetCan be used with all types of water pumps

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Aqualarm 20038 Smart Bilge Pump Switch - 20038 - 968-20038F1

Aqualarm (Canada Only)
$201.16

Includes Smart Switch, Red Light Warning Panel (1/2" x 2-1/2"), Piezo Buzzer Switches the pump on when water is presentThe red light on the warning panel is lit; showing you the pump is runningAfter two minutes, the loud piezo buzzer activatesKeeps the pump running for an additional 15 seconds to completely clear and "sponge" the bilgeAfter two minutes, the loud piezo buzzer activatesKeeps the pump running for an additional 15 seconds to completely clear and "sponge" the bilge

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Aqualarm 20011 Last Watch Ii Alarm - 20011 - 968-20011F1

Aqualarm (Canada Only)
$377.81

Designed to keep the helmsman awake. The Last Watch provides a loud alarm after an adjustable time delay. Variable time delay in 5 min increments. Adjustable from 5 minutes to 8 hours.Case: 5.5"L (including brackets) x 3.2"W x 2"H. LED display of countdown timeLoud alarm sounds and red light flashes when not resetKey Lock for securityDiscounts offered by many insurance carrierssecurity

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Aqualarm 20001 Automatic Systems Monitor System, Single Engine - 20001 - 968-20001F1

Aqualarm (Canada Only)
$561.89

This boat alarm monitors all of the critical areas, (detectors included). Low oil pressure, fire, engine temperature, high bilge water, cooling water flow. Each system is completely automaticLoud (100 db) bell or optional electronic horn alerts of troubleEasy-to-read lighted panelAudible devices are suppressed during engine startsPanel Size: 4"W x 6"H x 2-3/4"D 20001: Includes 1" & 1-1/4" Flow Detector

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Aqualarm 10271 Cooling Water Flow Detector, 1-1/2" Npt 120-200 Hp - 10271 - 968-10271F1

Aqualarm (Canada Only)
$189.27

Monitors the flow of raw cooling water Sets off alarm if cooling water flow decreases or stopsPrevents costly engine damageUse with bell alarm or horn

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Aqualarm 10233 Cooling Water Flow Detector, 1" Npt 40-120 Hp - 10233 - 968-10233F1

Aqualarm (Canada Only)
$189.27

Monitors the flow of raw cooling water Sets off alarm if cooling water flow decreases or stopsPrevents costly engine damageUse with bell alarm or horn

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Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of OEM and premium aftermarket marine and RV parts and accessories. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.