Best Flow Sensors of 2026

The Dorman 926-818 Air Conditioning Compressor Flow Sensor is a cost-effective solution for replacing only the failed component instead of the entire AC compressor. Its durable construction ensures reliable service and has undergone extensive fit and performance testing for quality and longevity. The sensor is backed by a team of engineers in the United States and can be easily ensured to fit your exact vehicle using the garage tool.

The MicoAir MTF-01 Sensor is designed to work seamlessly with popular flight control systems like Ardupilot, PX4, and INAV, making it easy for you to integrate it into your drone or robotic projects. You can switch communication methods easily using a USB to UART module, giving you flexibility with different setups. The sensor includes a high-quality optical flow sensor and a long-range TOF sensor, which means it can measure distances accurately even in bright sunlight, helping you maintain stable flight or navigation outdoors. Plus, it’s lightweight and compact, so it won’t add much weight to your device and can operate in various temperatures, making it reliable in many environments.

The TRUCFUSION Flow Sensor is designed to work seamlessly with the Girard GSWH-2 tankless water heater, ensuring your system runs smoothly. By replacing an old or worn sensor, you can help extend the life of your heater and avoid expensive full-unit replacements. This sensor accurately measures water flow by tracking the spinning impeller, giving your heater real-time data. With this information, your heater can adjust its output to keep water temperature steady, so you enjoy consistent warmth without sudden changes. It’s a simple upgrade that helps maintain performance and reliability in your hot water system.

The ROBOFUSION MicoAir Sensor is designed to work seamlessly with popular open-source flight controllers like Ardupilot, PX4, and INAV, giving you flexibility to use it with various drone systems. Setting it up is straightforward, thanks to detailed video tutorials that guide you through the process, saving you time and effort. Equipped with both an optical flow sensor and a powerful TOF sensor, it performs well even in bright outdoor conditions, providing accurate distance measurements up to 8 meters. Its lightweight and compact design also means it can handle different environments easily, making it a reliable choice for your drone projects.

The DIGITEN Flow Hall Sensor is a compact and lightweight device designed for easy installation in your water flow system. It features a durable bearing in the rotating part, ensuring smooth and reliable operation. The built-in magnetic hall effect sensor generates an electrical pulse each time the sensor’s rotor turns, giving you accurate flow measurements. This sensor is sealed from water exposure, keeping it dry and protected for long-lasting performance. With a wide working voltage range, it fits various setups, providing you with a practical and efficient way to monitor water flow.

The Dwyer PAFS-1005 Flow Sensor is a high-quality flow sensor manufactured by Dwyer. It features a durable construction with wetted materials made of ABS/polycarbonate, ensuring its reliability and longevity. The sensor has a wide operating temperature range of 40 to 120°F, allowing it to be used in various environments. With a 1/4" ID and 3/8" OD tubing process connection, it offers compatibility with different tubing sizes. The integral flange with a gasket allows for easy mounting orientation. The Dwyer PAFS-1005 Flow Sensor is a reliable and convenient choice for accurately measuring flow rates in a wide range of applications.

The luxvoko Flow Switch is designed to fit various IC series salt generator models, making it easy for you to find a perfect match for your system. This switch helps you monitor water flow in your salt cell, ensuring your pool system works efficiently and preventing issues. The wires come pre-stripped, letting you install the switch quickly and stop annoying "no-flow" warnings in just minutes. Plus, the kit includes essential parts like a union cap, o-ring, and coupling nut, along with waterproof connectors and a clear water flow direction arrow, which helps you install it correctly without hassle.

The Bosch Dishwasher Flow Sensor is an original equipment manufacturer (OEM) part designed to replace your dishwasher’s water flow meter. This sensor, also known as the Radial Flow Meter, accurately measures the water entering your dishwasher, ensuring efficient water use and proper cleaning cycles. Its white color blends well with most dishwasher interiors, maintaining a clean look. Before purchasing, it's recommended to check your appliance’s manual or contact the manufacturer to confirm this is the correct part for your specific dishwasher model, helping you avoid installation issues and ensuring compatibility.

The RUHUALIFE Flow Sensor is made from high-quality brass, which means it’s built to last and resist corrosion, so you won’t have to worry about frequent replacements. It’s designed to fit perfectly with Girard Tankless Water Heater GSWH-2 models, ensuring compatibility and smooth operation. Installing this sensor is simple—you just remove the old one by unscrewing it and replace it with the new sensor, saving you time and effort. This easy installation helps you get your water heater working again quickly, whether you’re experienced with DIY projects or just starting out.

The GREDIA Water Flow Sensor is designed to connect easily to a 3/8 inch tube, making installation quick and hassle-free for you. It measures water flow rates between 0.3 and 10 liters per minute, which helps you monitor water usage accurately in various applications. Operating at a voltage range of 5 to 24 volts DC, it offers flexibility to work with different power supplies. Made from food-grade plastic that meets ROHS standards, it ensures safety and durability, especially if you use it with drinking water or beverages. This sensor is a reliable choice for keeping track of water flow in your machines and appliances.