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.
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Premium Marine Quality Parts

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2.4 GHz Wi-Fi Bridge with USB Cable & Power Cube The Mopeka Check Wifi Bridge connects your Mopeka Check sensor to the cloud via your local 2.5 GHz Wi-Fi router. With the bridge, your tank level is up... More Details

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Mopeka Halo LPG Cylinder Foot Ring Cover

Accessories, Mopeka
$27.79
Halo LPG Cylinder Foot Ring Cover The Mopeka Halo is a thermoplastic rubber foot ring for standard cylinders. Designed for 20, 30, or 40 lbs USA Cylinders. Protects your car, RV tray, and floor surfac... More Details

LCD Wireless Display for Pro Check, Universal, PRO200, Pro Plus The Mopeka® LCD Display is the first and only remote LCD designed to seamlessly pair with up to two sensors, including the Pro Check, Un... More Details

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Mopeka LED Wireless Display f/Pro & Universal

Accessories, Mopeka
$62.54
LED Wireless Display for Pro & Universal For those who are not smart device users, the Mopeka Check LED Display works with two Mopeka Check sensors (Pro or Standard) and allows you to monitor the leve... More Details

Mounting Collar for Pro Check Sensor LPG Aluminum Tank Collar set used with non-magnetic and magnetic Pro Sensors, on aluminum DOT cylinders or steel tanks. Includes pre-applied adhesive and prep mate... More Details

Mounting Collar for Pro Check Sensor Plastic Holding Tank Collar set used with Pro Sensors on flat-bottom, non-magnetic tanks. Includes pre-applied adhesive and prep materials. Note: The collar for fl... More Details

Mounting Collar for PRO+ Sensor Aluminum Fuel Tanks Features: Mopeka Tank Mounting Collar for PRO+ Residential and Bulk Tanks Pre-Applied Adhesive Works with Bulk and Residential Sensors Easy On and O... More Details

Pro Check BLE Sensor for Water with Grease & Mounting Bracket With Mopeka Pro Check, you'll be able to accurately measure the capacity of your Propane Tanks…anywhere, anytime. The PRO sensor combines ... More Details

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Mopeka Pro Check Sensor f/LPG w/Grease & 3 Spacers

Monitoring System, Mopeka
$91.73
Pro Check Sensor for LPG with Grease & 3 Spacers The PRO Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever. LPG Tanks: All steel LPG tanks up to 10... More Details

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Mopeka Pro Check Spacer *4-Pack

Accessories, Mopeka
$16.67
Pro Check Spacer *4-Pack Mopeka Check Spacers are aluminum spacers that clip to the foot ring of cylinders (20, 30, and 40 lb [5, 7.5, and 10 gal] DOT cylinders).  The spacers provide adequate space f... More Details

Pro Universal for Poly Tanks with Primer & Mounting Collar The Mopeka Pro Check Universal Sensor is the next generation of our powerful Pro Check Technology and gives users the same great usability an... More Details

Pro Check Universal for Multiple Liquids Bottom Up Sensor with Grease & 3 Spacers The Mopeka Pro Check Universal Sensor is the next generation of our powerful Pro Check Technology and gives users the ... More Details

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Mopeka PRO+ Bulk BLE - Long Range f/Over 4' Tall

Monitoring System, Mopeka
$555.99
PRO+ Bulk BLE - Long Range for Over 4' Tall The PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communications t... More Details

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Mopeka PRO+ Bulk Cellular LTE - Cat - M1 f/Over 4' Tall

Monitoring System, Mopeka
$486.49
PRO+ Bulk Cellular LTE - Cat - M1 for Over 4' Tall The PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communica... More Details

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Mopeka PRO+ Residential BLE - LR f/48" Tall Tanks or Less

Monitoring System, Mopeka
$222.39
PRO+ Residential BLE - LR for 48" Tall Tanks or Less The PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communi... More Details

PRO+ Residential Cellular LTE - CAT - M1 for 48" Tall Tanks or Less Check the levels on your steel propane tanks with Mopeka's PRO+ Cellular Sensor. With an accuracy of 99.5%, you can quickly and easi... More Details

PRO200 Top-Down BLE Sensor for All Non-Pressurized Fluids 12V/24V Wired *Not for Gas With the Mopeka PRO200, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Commodity ... More Details

PRO200B Top-Down BLE Sensor for All Non-Pressurized Fluids - Battery Operated, Not for Gas With the Mopeka PRO200B, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Com... More Details

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Mopeka Sonic Grease Single Use Packet *4-Pack

Accessories, Mopeka
$5.55
Sonic Grease Single Use Packet *4-Pack Mopeka Sonic Grease is applied to the sensor face to improve ultrasonic performance. This is a 4-pack of 1cc single-use units. Note: All sensors are shipped with... More Details

TD200 BLE - LR 4' or Less Tall - Work with All Non-Pressurized Fluids With the Mopeka TD200, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Commodity Tanks … anywhere... More Details

TD200 Cellular LTE - Cat - M1 4' Tall or Less - Works with All Non-Pressurized Fluids With Mopeka, you can monitor your tank levels from your smartphone, tablet, or computer using the freely downloada... More Details

TD40 BLE - LR 4' to 18' Tall - Work with All Non-Pressurized Fluids Sonar Tank Monitoring Solutions are the most reliable and accurate way to measure Propane, Butane, LPG, water, beverages, and other ... More Details

TD40 Cellular LTE - Cat - M1 4'-18' Tall - Works with All Non-Pressurized Fluids With Mopeka, you can monitor your tank levels from your smartphone, tablet, or computer using the freely downloadable C... More Details

Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

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.