Marine Plumbing & Ventilation - Monitoring System
Monitor your vessel’s plumbing and ventilation systems with premium marine monitoring systems designed to provide accurate information, early issue detection, and dependable performance on the water. Essential for recreational boats, yachts, fishing vessels, and commercial marine applications, these systems help track critical functions such as tank levels, pump operation, water flow, temperature, and system status for improved safety and efficiency. Built for demanding freshwater and saltwater environments, our collection features durable monitoring equipment engineered to withstand moisture, vibration, corrosion, and harsh marine conditions. Browse tank monitoring systems, water level sensors, pressure monitors, alarms, control panels, display units, replacement sensors, wiring accessories, and installation components compatible with a variety of marine systems. Designed for seamless integration and reliable operation, these products help simplify maintenance while protecting essential onboard equipment. Featuring trusted marine brands recognized for quality and innovation, our Marine Plumbing & Ventilation – Monitoring System collection delivers dependable solutions. Shop today with confidence.
- 10
- 15
- 20
- 25
- 30
- 50
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
-
Vendor:Mopeka
Mopeka PRO200 Top-Down BLE Sensor f/All Non-Pressurized Fluids 12V/24V Wired *Not f/Gas [M2006031]
- £46.45
£59.94- £46.45
- Unit price
- / per
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...- £46.45
£59.94- £46.45
- Unit price
- / per
-
Vendor:Mopeka
Mopeka Pro Check Sensor f/LPG w/Grease 3 Spacers [M1017012]
- £43.45
£49.45- £43.45
- Unit price
- / per
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...- £43.45
£49.45- £43.45
- Unit price
- / per
-
Vendor:Johnson Pump
Johnson Pump Bilge Alert High Water Alarm - 12V Ultima [72303-001]
- £73.42
£123.39- £73.42
- Unit price
- / per
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...- £73.42
£123.39- £73.42
- Unit price
- / per
-
Vendor:Raritan
Raritan Tank Sensor Module Kit f/Tank Monitor [15101]
- £80.92
£116.14- £80.92
- Unit price
- / per
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...- £80.92
£116.14- £80.92
- Unit price
- / per
-
Vendor:Mopeka
Mopeka PRO+ Residential BLE - LR f/48" Tall Tanks or Less [M1015002]
- £112.39
£119.88- £112.39
- Unit price
- / per
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...- £112.39
£119.88- £112.39
- Unit price
- / per
-
Vendor:Mopeka
Mopeka TD200 Cellular LTE - Cat - M1 4' Tall or Less - Works w/All Non-Pressurized Fluids [M2012006]
- £167.09
£174.58- £167.09
- Unit price
- / per
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...- £167.09
£174.58- £167.09
- Unit price
- / per
-
Vendor:Mopeka
Mopeka PRO+ Bulk Cellular LTE - Cat - M1 f/Over 4' Tall [M1015050]
- £242.77
£262.25- £242.77
- Unit price
- / per
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...- £242.77
£262.25- £242.77
- Unit price
- / per
-
Vendor:Mopeka
Mopeka PRO+ Residential Cellular LTE - CAT - M1 f/48" Tall Tanks or Less [M1015001]
- £146.11
£157.35- £146.11
- Unit price
- / per
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...- £146.11
£157.35- £146.11
- Unit price
- / per
-
Vendor:Mopeka
Mopeka PRO+ Bulk BLE - Long Range f/Over 4' Tall [M1015051]
- £215.79
£299.72- £215.79
- Unit price
- / per
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...- £215.79
£299.72- £215.79
- Unit price
- / per
-
Vendor:Mopeka
Mopeka TD40 BLE - LR 4' to 18' Tall - Work w/All Non-Pressurized Fluids [M2012003]
- £129.62
£224.78- £129.62
- Unit price
- / per
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...- £129.62
£224.78- £129.62
- Unit price
- / per
-
Vendor:Mopeka
Mopeka TD200 BLE - LR 4' or Less Tall - Work w/All Non-Pressurized Fluids [M2012007]
- £129.62
£149.85- £129.62
- Unit price
- / per
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...- £129.62
£149.85- £129.62
- Unit price
- / per
-
Vendor:Victron Energy
Victron GX Tank 140 Tank Monitoring f/4-20 MA, 1-10VDC Sensors - Monitors Up to 4 Sensors *Sensor Not Included [BPP920140100]
- £73.88
£86.92- £73.88
- Unit price
- / per
GX Tank 140 Tank Monitoring for 4-20 MA, 1-10VDC Sensors - Monitors Up to 4 Sensors *Sensor Not IncludedThe GX Tank 140 takes readings from up to four tank level sensors. It is an accessory for our range of GX system monitoring products, of...- £73.88
£86.92- £73.88
- Unit price
- / per

