U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Packed and shipped within Canada!

Premium Marine Quality Parts

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

Aqualarm (Canada Only), Miscellaneous
$92.83

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

Aqualarm (Canada Only), Miscellaneous
$51.10

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

Aqualarm (Canada Only), Miscellaneous
$67.80

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

Aqualarm (Canada Only), Bilge Pumps & Blowers
$79.27

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

Aqualarm (Canada Only), Bilge Pumps & Blowers
$186.72

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 20210 Engine Temperature Monitor - 20210 - 968-Aql20210F1

Aqualarm (Canada Only), Miscellaneous
$121.00

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

Aqualarm (Canada Only), Power Distribution
$164.81

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

Aqualarm (Canada Only), Miscellaneous
$132.47

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 20271 Smoke Detector - 20271 - 968-20271F1

Aqualarm (Canada Only), Miscellaneous
$207.58

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

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

Aqualarm (Canada Only), Power Distribution
$43.80

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

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

Aqualarm (Canada Only), Miscellaneous
$90.74

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

Aqualarm (Canada Only), Miscellaneous
$97.00

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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Aqualock 0959079 Plastic Fitting, Coupling Connector, 1/2" Cts - 959079 - 694-0959079F1

Sea Tech, Wiring & Connectors
$11.99

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959083 Plastic Fitting, Male Adapter Connector, 1/2" Cts X 1/2" Npt - 959083 - 694-0959083F1

Sea Tech, Wiring & Connectors
$8.39

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959085 Plastic Fitting, Female Swivel Adapter Connector, 1/2" Cts X 1/2" Nps - 959085 - 694-0959085F1

Sea Tech, Wiring & Connectors
$8.89

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959087 Plastic Fitting, Union Elbow, 1/2" Cts - 959087 - 694-0959087F1

Sea Tech, Hoses, Clamps & Fittings
$12.89

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959088 Plastic Fitting, Male Elbow, 1/2" Cts - 959088 - 694-0959088F1

Sea Tech, Hoses, Clamps & Fittings
$14.49

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959090 Plastic Fitting, Female Swivel Elbow, 1/2" Cts X 1/2" Nps - 959090 - 694-0959090F1

Sea Tech, Hoses, Clamps & Fittings
$14.39

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959094 Plastic Fitting, Union Tee, 1/2" X 1/2" X 1/2" Cts - 959094 - 694-0959094F1

Sea Tech, Hoses, Clamps & Fittings
$17.49

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959098 Plastic Fitting, Straight Valve, 1/2" Cts - 959098 - 694-0959098F1

Sea Tech, Hoses, Clamps & Fittings
$22.49

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959109 Plastic Fitting, End Cap, 1/2" Cts - 959109 - 694-0959109F1

Sea Tech, Hoses, Clamps & Fittings
$13.99

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959111 Plastic Fitting, Collet Clip, 1/2" Cts - 959111 - 694-0959111F1

Sea Tech, Hoses, Clamps & Fittings
$1.59

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 0959475 Plastic Fitting, Check Valve, 1/2" Cts - 959475 - 694-0959475F1

Sea Tech, Hoses, Clamps & Fittings
$17.19

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 234915 Plastic Fitting, Elbow Clip, 15Mm, 10/Pk - 2349-15 - 694-234915F1

Sea Tech, Hoses, Clamps & Fittings
$19.79

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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Aqualock 81902634 Plastic Fitting, Cone Seal, For 1/2" Npt To 1/2" Nps - 81902634 - 694-81902634F1

Sea Tech, Seals, Gaskets & Service Kits
$2.99

Watts AquaLock™ Plastic fittings are designed and manufactured to be trouble free for many years of service life. Plastic fitting products are designed and manufactured in polysulfone, a high performance thermal plastic material. Watts AquaLock™ Plastic fittings are designed for potable water systems.

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

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. 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.