Boat Water Level Gauges of 2025
- Best Choice
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RUPSERUPSE Fuel Sender Unit Boat Fuel Tank Sending Unit Fuel Water Level Sensor Stainless Steel Fuel Sender and Fuel Gauge for Boat Car Truck RV (17"(432mm))
Main highlights- [Multi-Size]: Various sizes can be selected to meet different sizes of fuel tanks for Automobiles, Ships, Yachts, RV, Agricultural vehicles and Industrial equipment.
- [High Precision and Long Life]: The exterior is made of stainless steel, and the interior is controlled by high-quality reed switches. The sensor is corrosion-resistant, does not rust, has a long life, stable output signal, and accurate measurement. Suitable for gasoline, diesel, water, methanol, etc.
- [Easy to Read]: The fuel level gauge has 8 adjustable backlight colors, IP67 waterproof, stainless steel frame, anti-fog curved glass, easy to read (Empty-1/2-Full).
- [Easy Installation]: SAE 5 hole mounting pattern, NBR material gasket, good sealing performance, high oil resistance, with M5 5 screws, 10 quick wiring terminals, easy and quick installation by referring to the wiring diagram.
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- Value for Money
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100Tech100TECH Fuel Sending Unit 240-33 ohms 12"(300mm Marine for Boat Vehicle Truck RV Fuel Tank Sending Unit Fuel Water Level Sending Unit Fuel Gas Sender Fuel Water Level Sensor Fuel Gauge Sending Unit
Main highlights- [The Size of Float] The Diameter of Float is 1.38"(35mm). If You Have to Drill the hole, Diameter 1.50"(38mm) Hole Would be Perfect.
- [Easy to Install] The Fuel Level Sending Unit Comes with Gasket,Mounting Screws,Well-Written and Illustrated instructions; The Wiring Instructions are Straight Forward and Easy to follow.
- The Fule/Water Level Sensor with American standard output 240-33 ohms (240 ohms at empty, 33 ohms at full). If you Need Lengths Other than 4"-32", Please Contact us Directly for More Information.
- SAE 5 hole Mounting Pattern, Heavy Duty 316 Stainless Steel and Rugged Construction. Wide Application: It Could Support Fuel Level Gauge and Water Level Gauge for Boat/Auto.
- 100TECH Stainless Steel Fule Tank Sending Unit is Made With OKI Reed Switch(Imported from Japan). It is the Direct Replacement for Arm Type sender. The Advantage of This Fuel Level Sender Over Thick-Film Swim Arm Type Level Sender is the Reed Switch's Durability and Reliability.
Additionally, No Moving Parts to Break. No Adjustment Needed for Tank.
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SucicagoSucicago 52mm Water Tank Level Gauge RV Water Level Gauge Marine for Boat Truck 0-190ohm 240-33ohm 240-30ohm 0-180ohm 10-180ohm 2"(E-1/2-F) All Black
Main highlights- [Precise on Gauge Reading and Firm Material]/b>316 stainless steel bezel with Double Layer Reinforced Convex glass. IP67 Waterproof and Dustproof Grade.
Signal Input : 0-190ohm, 240-33ohm, 240-30ohm, 0-180ohm, 10-180ohm. - [Easy to install and Calibrate]Sucicago Water Level Gauge Universal is Designed for the One Who is Looking For a a Simple Solution to Measure the Amount of Water in The Tank But Un-sure of The Type Sensor That Was Installed Into Boat/Truck/Camper etc. It Can be Adjusted by Simply Pressing a Button.
- [Easy to install and Calibrate]Sucicago Water Level Gauge Universal is Designed for the One Who is Looking For a a Simple Solution to Measure the Amount of Water in The Tank But Un-sure of The Type Sensor That Was Installed Into Boat/Truck/Camper etc. It Can be Adjusted by Simply Pressing a Button.
- [Easily Understood Wiring Instructions]The Illustrated Instruction is Easy to Follow. It Takes Less Than 15 Minutes To Install Total. Install diameter: Φ52mm or 2-1/16'', Indication range: E~F, Working voltage: 9-32v dc fit 12V-24V Vehicle or Engine.
- [7 Color Adjustment Cycle Modes]This Marine Water Tank Gauge Includes Red(Default), Green, Blue, White, Yellow, Yellow Green, Orange, Purple Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Boat/ Vehicle.
- [Precise on Gauge Reading and Firm Material]/b>316 stainless steel bezel with Double Layer Reinforced Convex glass. IP67 Waterproof and Dustproof Grade.
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100Tech100TECH Water Level Gauge 240-33ohm RV Truck Water Tank Gauge Marine for Boat RV 0-190ohm 240-30ohm 0-180ohm 10-180ohm All Black
Main highlights- [Precise on Gauge Reading ,Firm Material]316 stainless steel bezel with Double Layer Reinforced Convex glass. IP67 waterproof and Dustproof Grade. Work up to 1m underwater 100TECH Guarantees with 1 Year Limited Warranty & Free Lifetime Technical Support.
- [Easy to install and Calibrate]100TECH Boat Water Gauge is Designed for the One Who is Looking For a a Simple Solution to Measure the Amount of Water in The Tank But Un-sure of The Type Sensor That Was Installed Into Boat/Vehicles. It Can be Adjusted by Simply Pressing a Button.
- [Easily Understood Wiring Instructions]Easy-to-Read Lighted Dial, The Installation Takes less than 15 Minutes. Install diameter: Φ52mm or 2-1/16'', Indication range: E~F, Working voltage: 9-32v dc [ fit 12V-24V Vehicle or Engine].
- [7 Colors Selection]This Marine Water Tank Gauge Includes Red(Default), Green, Blue, White, Yellow, Yellow Green, Orange, Purple Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Boat/Vehicle.
- Note:
1)The Default Setting of This Water Level Gauge is 240-33ohm.
2)This 100TECH Water Tank Gauge Can Only Work With The Level Sender With The Corresponding Resistive Output :240-33ohm 0-190ohm 240-30ohm 0-180ohm 10-180ohm . The Resistance Range Can Be Adjusted By Simply Pressing A Button.
3)This Boat Water Level Gauge Can Not Work With the Fuel Sending Unit with Output Signal(0-30ohm, 0-90ohm,73-10 ohm etc.) - [ Wide Application] Signal Input : 0-190ohm, 240-33ohm, 240-30ohm, 0-180ohm, 10-180ohm.
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KUSKUS CPWR-BB, 240-33 Ohm, Electric Water Level Gauge, 12V / 24V, 2" (52mm) with Backlight
Main highlights- Working voltage: 12V or 24V
- Signal:240-33ω | indicating range: empty-full
- Mounting size: 2 1/16 inch , or 52mm
- Ip67 protection rating for the whole gauge
- Face plate: black | bezel: black plastic | either Red or Yellow LED backlight
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SAMDOSAMDO Universal Water Level Gauge Liquid Level Meter 52mm 0-190ohm for Yachts Vessels Marine Boat 9-32V 2"
Main highlights- Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.
- SAMDO Water Tank Gauge Attribute: IP67 waterproof, anti-fogging function.
- SAMDO Water Level Meter is universal for all kinds of Boat Yacht Auto Motor Home Truck Touring car and Touring car
- SAMDO Water Level Indicator uses moving-magnet principle to drive the needle, featuring good endurance and anti-vibration.
- SAMDO Water Level Gauge is suitable for all kinds of water level sensors with same signal, and display liquid level of the water tank
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GenericFaria Boat Water Level Gauge GP7284A | 2 Inch Professional Red
Main highlights- Sold as seen in pictures. Customers please note every computer shows colors differently. All measurements are approximate. Hardware and instruction / installation manual not included
- Series: Professional Red
- Part Number: GP7284A
- Connections: (3) Threaded Bolt | (1) Male Spade
- Calibration: 10-180 Ohms
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MAIMEIMIMAIMEIMI Fuel Sending Unit and Gauge Kit 240-33ohm 9" Marine Boat Water Fuel Level Sender Set Black
Main highlights- 【Wide Application 】The fuel sending unit and gauge kit is compatible with Standard American Output, 240 ohm - 33 ohm (Empty - Full), 18-21mm Per Step. It available for use in a boat, marine, automobile, motorcycle, RV, or yacht. It is suitable for fuel, kerosene, water, chemical tanks and any kinds of liquids without impurities.
- 【Unique Design】To avoid sender hit bottom of tank, the length of fuel sensor should be 1" less than the depth of the tank. If you need to drill the hole, diameter 1-1/2"(38mm) hole would be Perfect. The diameter of float is 1.38"(35mm).
- 【Package Include 】The water level gauge sensor is standard SAE 5 hole pattern. Fuel Gauge x1, Sending Unit x1 , NBR Mounting Gasket x1, 10-24 Hex Screws x 5, Installation Instruction.
- 【Fuel Sending Unit】The Fuel Level Sender is made of 316 stainless steel. Benefits of using 316 stainless steel include durable, does not rust, stable output signal, intends for long service life and accurate measurement for Marine applications.
- 【Fuel Gauge】240-33ohm Fuel gauge has stainless steel and plastic material, IP67 waterproof and Dustproof grade. Install diameter: Φ52mm or 2-1/16'', Indication range: E~F, Working voltage: 9-32v fit 12V-24V Vehicle or Engine .
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Rain HarvestingRain Harvesting Tank Gauge, Tank-Top Water Level Monitoring Device for Rain Water Catching Systems
Why we love it
Easy installation with minimal setup.
Clear, intuitive water level display.
Compatible with most tank types.
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AtlanticAtlantic Water Gardens Tank Gauge for Rain Water Harvesting Systems
Main highlights- Quick and easy to install, suitable for all new and existing tanks
- Monitors water level of any storage system
- Easy-to-read dial face with empty and full indicators
- Can be calibrated for holding systems up to 8' deep