Marine Plumbing & Ventilation - Monitoring System

13 products


  • Sale -36%Last stock! Raritan Tank Sensor Module Kit f/Tank Monitor [15101]

    Raritan Tank Sensor Module Kit f/Tank Monitor [15101]

    1 in stock

    Tank Sensor Module KitRaritan's Tank Sensor Module Kit is specifically for Raritan's Tank Monitor.Features: Designed to work with Raritan tank monitors Allows monitoring of additional tanks WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

    1 in stock

    $155.00$99.50

  • Sale -21% Mopeka PRO200 Top-Down BLE Sensor f/All Non-Pressurized Fluids 12V/24V Wired *Not f/Gas [M2006031]

    Mopeka PRO200 Top-Down BLE Sensor f/All Non-Pressurized Fluids 12V/24V Wired *Not f/Gas [M2006031]

    46 in stock

    PRO200 Top-Down BLE Sensor for All Non-Pressurized Fluids 12V/24V Wired *Not for GasWith the Mopeka PRO200, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Commodity Tanks…anywhere, anytime. The Mopeka Pro200 Sensor will attach to the top of your tank and measure tanks to depths of 30″ (Inches). The sensor can be quickly calibrated on the Mopeka Tank Check or Mopeka Co-Pilot app to measure Water, Oil, Gas, Diesel, Chemicals, and other liquid commodities and beverages. Included in the box are 3 mounting screws and 2-sided adhesive tape to secure your device.*Installation will require cutting a hole 1.25″ (32mm) in diameter in the top of the tank at the chosen location. Note: the sequence of remaining steps (electrical connections and final mounting of the sensor) should be considered now. Depending on access to the mounting location and wire routing, it may be easier to make electrical connections before the sensor is mounted, or vice versa.Features: Quickly and easily attach your Mopeka PRO200 Sensor to the top of your tank Monitor your usage directly from your mobile or tablet device, via Bluetooth, through the freely downloadable “Mopeka Tank Check” App from the Apple or Google Play App stores. 1 Year Warranty from the original date of purchase by a customer Easily select the liquid commodity you are measuring from the dropdown list in the “Tank Check” or “Co-Pilot” App Conveniently hardwired into your primary 12V power system

    46 in stock

    $79.99$63.50

  • Sale -19% Mopeka Pro Check Universal f/Poly Tanks w/Primer  Mounting Collar [M1017024]

    Mopeka Pro Check Universal f/Poly Tanks w/Primer Mounting Collar [M1017024]

    10 in stock

    Pro Universal for Poly Tanks with Primer & Mounting CollarThe Mopeka Pro Check Universal Sensor is the next generation of our powerful Pro Check Technology and gives users the same great usability and connectivity, but adds significantly new and beneficial features:Features: Enhanced Accuracy – the Pro Check already has a 99% level of accuracy… the Pro Check Universal will further extend this accuracy to 99.5% Additional Commodities – the Tank Check App that accompanies the Pro Check Universal will add additional commodities to the drop-down list, including Diesel, Oil, Water, Propane, Butane, Anhydrous, and other liquid commodities 63% increase in battery life of the sensor over the original Pro Check With a Mounting Collar to ensure a safe and secure attachment to your non-magnetized surface, and dielectric grease Elevate your outdoor cooking and propane-powered patio heater experience with our advanced digital propane tank gauge. The Pro Check Universal is an indispensable tool for every outdoor enthusiast, providing real-time updates on your propane level through a seamless mobile app connection. In addition, the sensor can also be used to measure other liquid commodities including Oil, Diesel and Water.Effortless Installation – Say goodbye to complicated setups. Our tank sensor easily attaches to the underside of your tank with powerful magnets or mounting collars, and can be secured in seconds. No matter the terrain, our sturdy magnets and mounting collars ensure the sensor stays firmly in place on your RV’s propane tanks, giving you peace of mind during your travels. It’s designed to fit tanks sizes of up to 250gallons.Extended Battery Life – Our tank sensor now boasts a significantly longer-lasting battery, ensuring it remains operational for extended periods without needing to be replaced. When needed, the battery is replaceable.Cutting-Edge Technology – The Pro Check Universal comes with integrated temperature sensing, a tank “bubble level” indicator, configurable sample timing, firmware updates, and customizable alarms/alerts, all designed to enhance reading quality and precision. It works seamlessly with both vertical and horizontal cylinders, making it a versatile and reliable option for tank monitoring.Free Mobile App – Download our user-friendly “Tank Check” app for free on Apple and Google Play stores. With unlimited tank and sensor support, the app allows customizable alarms to suit your preferences.Upgrade to the Mopeka Pro Check UNIVERSAL sensor and enjoy a whole new level of convenience, accuracy and precision in monitoring all your tank levels.*For Aluminum LP Gas Cylinders please also purchase the Mopeka Pro Check Universal Collar Set (LPG Cylinders) – This will ensure the most secure fit to the base of your Aluminum LP Gas cylinder.

    10 in stock

    $80.84$65.50

  • Sale -46%Last stock! Johnson Pump Bilge Alert High Water Alarm - 12V Ultima [72303-001]

    Johnson Pump Bilge Alert High Water Alarm - 12V Ultima [72303-001]

    1 in stock

    Bilge Alert High Water Alarm - 12V UltimaHigh water alarm featuring digital technology using the patented Mires field effect. Totally sealed fluid detectors are never in contact with water, will not corrode, and are not affected by oil or debris. Bilge Alert detects water and sends a signal (3 seconds delay) to the alarm and switch conveniently mounted on a panel. A three-way rocker switch allows the switch to be tested, turned off, and armed. Features: 12V high water alarm features digital technology Sealed fluid detectors are never in contact with water and are affected by oil or debris Three-way rocker switch allows the alarm to be tested, turned off, and armed

    1 in stock

    $164.67$89.50

  • Sale -2% Mopeka Pro Check Sensor f/LPG w/Grease  3 Spacers [M1017012]

    Mopeka Pro Check Sensor f/LPG w/Grease 3 Spacers [M1017012]

    10 in stock

    Pro Check Sensor for LPG with Grease & 3 SpacersThe 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 1000 gallons, horizontal or vertical cylinders.Mounting: Mounts to the bottom by magnets.How to read level via Bluetooth: Free Mopeka Check APP on your smartphone or tablet, or Mopeka Check LED Display.Also compatible with Mopeka Wifi Bridge, allowing remote reading of sensor using APP.Power: CR2032 BatteryThis package includes 1 Pro sensor only.NOTE: This sensor is sold with tank spacers to be used on 20, 30 and 40 LB DOT Cylinders.

    10 in stock

    $65.99$64.50

  • Sale -13% Mopeka PRO+ Residential BLE - LR f/48" Tall Tanks or Less [M1015002]

    Mopeka PRO+ Residential BLE - LR f/48" Tall Tanks or Less [M1015002]

    10 in stock

    PRO+ Residential BLE - LR for 48" Tall Tanks or LessThe PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communications to monitor tanks from the Mopeka App.  Approximately 3x the range of a normal Bluetooth sensor, this sensor is ideal for tanks located a long distance from the house. It can also be used in conjunction with a MopekaIoT Wifi Bridge to monitor tanks when outside of Bluetooth range.*Should your tank have a horizontal seam along the bottom length of your tank, please see the Mopeka Seam Adapter for PRO+Features:  ‍LPG Tanks and Single-walled Non-Pressurized tanks: All steel LPG tanks up to 1000 gallons, horizontal or vertical cylinders; above ground only. Mounting: Mounts to the bottom by magnets. How to read level: Free Mopeka C0-Pilot APP on your smartphone or tablet. Power: 2 AAA (Energizer Ultimate Lithium only, included) Includes 1 Sonic Grease packet

    10 in stock

    $159.99$139.50

  • Sale -7% Mopeka TD200 Cellular LTE - Cat - M1 4' Tall or Less - Works w/All Non-Pressurized Fluids [M2012006]

    Mopeka TD200 Cellular LTE - Cat - M1 4' Tall or Less - Works w/All Non-Pressurized Fluids [M2012006]

    11 in stock

    TD200 Cellular LTE - Cat - M1 4' Tall or Less - Works with All Non-Pressurized FluidsWith Mopeka, you can monitor your tank levels from your smartphone, tablet, or computer using the freely downloadable Co-Pilot App or via www.mopeka.cloud. Mopeka sensors work on 20lb cylinders to >90,000 gallon bulk storage tanks.Specifications: Sensor: TD200 Commodity: Non-Pressurized Liquids Mounting Location: Tank Top UL, UCL, ATEX Certifications: Class 1, Division 1, Group D Class 1, Zone 1, Group IIA Tank Type: Any Tank Orientation: Any Tank Size: Depths up to 4' Operating Temperature Range: -50° TO 60°C -55° TO 140°F Default Communications: Global SIM 4G LTE, CAT M1, NB-IoT, Boosted Bluetooth Battery Life: 4-6 years, replaceable Battery Type/Hard-Wired: Energizer Lithium AA Warranty: 3 years

    11 in stock

    $232.99$216.50

  • Sale -10% Mopeka PRO+ Bulk Cellular LTE - Cat - M1 f/Over 4' Tall [M1015050]

    Mopeka PRO+ Bulk Cellular LTE - Cat - M1 f/Over 4' Tall [M1015050]

    10 in stock

    PRO+ Bulk Cellular LTE - Cat - M1 for Over 4' TallThe PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communications to monitor tanks from the Mopeka App.  Approximately 3x the range of a normal Bluetooth sensor, this sensor is ideal for tanks located a long distance from the house. It can also be used in conjunction with a MopekaIoT Wifi Bridge to monitor tanks when outside of Bluetooth range.*Should your tank have a horizontal seam along the bottom length of your tank, please see the Mopeka Seam Adapter for Pro PlusFeatures: Mopeka PRO+ Bulk Cellular Sensor For Storage Tanks Cellular Communications LP Gas Tank Monitor For Bulk Storage Tanks Battery Powered Magnetically Attaches To Tank

    10 in stock

    $349.99$314.50

  • Sale -10% Mopeka PRO+ Residential Cellular LTE - CAT - M1 f/48" Tall Tanks or Less [M1015001]

    Mopeka PRO+ Residential Cellular LTE - CAT - M1 f/48" Tall Tanks or Less [M1015001]

    8 in stock

    PRO+ Residential Cellular LTE - CAT - M1 for 48" Tall Tanks or LessCheck the levels on your steel propane tanks with Mopeka's PRO+ Cellular Sensor. With an accuracy of 99.5%, you can quickly and easily monitor the levels of all your pressurized tanks (except for composite tanks) in real-time, anytime. Featuring both cellular and Bluetooth connectivity, the Mopeka's Pro + Cellular contains a SIM that is valid for 10 years and will be reactivated if still in use. No recurring costs. Designed to meet the demands of your home or commercial infrastructure, Mopeka's Pro + Cellular has a battery life of up to five years, and the battery is replaceable. This digital level can withstand the harsh elements of the outdoors, making it ideal for any tanks that are outdoors or hard to reach.The PRO+ Cellular comes with integrated temperature sensing, a tank "bubble level" indicator, configurable sample timing, firmware updates, and customizable alarms/alerts, all designed to enhance reading quality and precision. It works seamlessly with both vertical and horizontal cylinders, making it a versatile and reliable option for tank monitoring. Say goodbye to complicated setups. Our tank sensor easily attaches to the underside of your tank and can be secured in seconds.Features: ENHANCED ACCURACY – Check the levels on your propane tanks with Mopeka's PRO+ Cellular Sensor. With an accuracy of 99.5%, you can quickly and easily monitor the levels of all your pressurized tanks, except for composite tanks. We believe in accuracy above everything. LIFETIME CELLULAR ACCESS – Enjoy once daily cellular updates for the life of your sensor with no monthly charges or hidden fees. Includes free, unlimited access to the Mopeka Co-Pilot App for real-time monitoring and history review. Activated in seconds—just scan the QR code and sync. LONG-LASTING BATTERY - Designed to meet the demands of your home or commercial infrastructure, Mopeka's PRO+ Cellular has a battery life of up to five years. This digital level can withstand the harsh elements of the outdoors, making it ideal for any tanks that are outdoors or hard to reach. EFFORTLESS INSTALLATION - Say goodbye to complicated setups. Our tank sensor easily attaches to the underside of your tank and can be secured in seconds. CUTTING-EDGE TECHNOLOGY - The PRO+ Cellular comes with integrated temperature sensing, a tank "bubble level" indicator, configurable sample timing, firmware updates, and customizable alarms/alerts, all designed to enhance reading quality and precision. It works seamlessly with both vertical and horizontal cylinders, making it a versatile and reliable option for tank monitoring. Specifications: Sensor: PRO+ Commodity: Propane, Butane, and mixtures Mounting Location: Tank Bottom Tank Type: Steel & Aluminum Tank Orientation: Horizontal & Vertical Tank Size: <2000 gallons & Diameters 48” and below Operating Temperature Range: -50° TO 60°C, -55° TO 140°F Default Communications: Global SIM 4G LTECAT M1, NB-IoT, Long-range Bluetooth Battery Life: 4-6 years, replaceable Battery Type: Energizer Lithium AAA Warranty: 3 years Comes with a Lifetime Cellular Subscription Brochure (pdf)

    8 in stock

    $210.00$188.50

  • Sale -30% Mopeka PRO+ Bulk BLE - Long Range f/Over 4' Tall [M1015051]

    Mopeka PRO+ Bulk BLE - Long Range f/Over 4' Tall [M1015051]

    6 in stock

    PRO+ Bulk BLE - Long Range for Over 4' TallThe PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communications to monitor tanks from the Mopeka App.  Approximately 3x the range of a normal Bluetooth sensor, this sensor is ideal for tanks located a long distance from the house. It can also be used in conjunction with a MopekaIoT Wifi Bridge to monitor tanks when outside of Bluetooth range.Features: Mopeka PRO+ Bulk Long Range Bluetooth Sensor For Storage Tanks Magnetically Attaches To Tank LP Gas Tank Monitor For Bulk tanks Battery Powered

    6 in stock

    $399.99$279.50

  • Sale -46% Mopeka TD40 BLE - LR 4' to 18' Tall - Work w/All Non-Pressurized Fluids [M2012003]

    Mopeka TD40 BLE - LR 4' to 18' Tall - Work w/All Non-Pressurized Fluids [M2012003]

    6 in stock

    TD40 BLE - LR 4' to 18' Tall - Work with All Non-Pressurized FluidsSonar Tank Monitoring Solutions are the most reliable and accurate way to measure Propane, Butane, LPG, water, beverages, and other liquid volumes in both pressurized and non-pressurized tanks. The TD40 can work on tanks up to 16′ high and communicate via BLE (Long Range Bluetooth)*Installation will require a threaded 2″ port, or you must cut a hole 2″ (50.8mm) in diameter in the top of the tank at the chosen location.Features: The sensors work on Boosted Bluetooth. The average sensor’s battery life is 5 years*, so you don’t need to worry about continually changing the battery, and they’re replaceable. The latest in cloud-based software with our partner Amazon Web Services. The sensors are so accurate that they can read down to a .01 of an inch. The TD40 sensor is classified Class 1 Div 1 Easily select the liquid commodity you are measuring from the dropdown list in the “Tank Check” or “Co-Pilot” App 3-Year Warranty from the original date of purchase by the customer

    6 in stock

    $299.99$160.50

  • Sale -20%Last stock! Mopeka TD200 BLE - LR 4' or Less Tall - Work w/All Non-Pressurized Fluids [M2012007]

    Mopeka TD200 BLE - LR 4' or Less Tall - Work w/All Non-Pressurized Fluids [M2012007]

    3 in stock

    TD200 BLE - LR 4' or Less Tall - Work with All Non-Pressurized FluidsWith the Mopeka TD200, you’ll be able to accurately measure the capacity of your non-pressurized Liquid Commodity Tanks … anywhere, anytime. The Mopeka TD200 Sensor will attach to the top of your tank and measure tanks to depths of 4’ (Feet). The sensor can be quickly calibrated on the Mopeka Tank Check or Mopeka Co-Pilot app to measure Water, Oil, Gas, Diesel, Chemicals, and other liquid commodities and beverages.*Installation will require a threaded 2″ port, or you must cut a hole 2″ (50.8mm) in diameter in the top of the tank at the chosen location.Features: The sensors work on Boosted Bluetooth. The average sensor’s battery life is 5 years*, so you don’t need to worry about continually changing the battery, and they’re replaceable. The latest in cloud-based software with our partner Amazon Web Services. The sensors are so accurate that they can read down to a .01 of an inch. The TD200 sensor is classified Class 1 Div 1 Easily select the liquid commodity you are measuring from the dropdown list in the “Tank Check” or “Co-Pilot” App 3-Year Warranty from the original date of purchase by the customer

    3 in stock

    $199.99$160.50

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