10 Best Leak Detector of December 2025

• GET REAL-TIME ALERTS: Connect the gateway to WiFi, and it will instantly send emails, App notifications & alerts to your phone when water leakage occurs. Water sensors and gateway are paired right out of the box. Detects leakage even when you're not at home. NOTE: Doesn't support 5G WiFi
• LOUD ALARM WITH MUTE: If WiFi is not temporarily available for the gateway, our ultra-loud 100dB alarm will notify you. Loud enough to be heard even if leaks occur in your basement. Press the Mute button to silence the alarm when you find the leak. Sensor Battery Level Display is available in the App
• DRIP AND LEAK ALERTS: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the App to name each sensor with its location .eg. bathroom, basement, sink, water heater. Detect leaks from anywhere before they cause costly water damage
• CONNECTS TO MULTIPLE SENSORS: WiFi connection gateway has a stronger/more stable signal transmission & lets you connect with multiple sensors simultaneously (10 max.). Place the sensors in different areas in your house & rest assured that your home will be protected from water damage
• WATERPROOF DESIGN WITH MONEY BACK GUARANTEE: The completely sealed waterproof design allows for extended use in high moisture areas. Our water sensors come with a 30-day money-back guarantee, 1-year replacement warranty (NOT INCLUDING BATTERY REPLACEMENT), and lifetime customer support

Govee

• Portable natural gas detector for detecting all combustible gas leak, LPG, LNG, fuel, hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol), sewer gas etc. You can use it in your house or your RV.
• Come with 3xAA batteries, ready to use! Compact size, light weight, easy to carry and operate. Long flexible stainless probe reaches all areas.
• Audible semiconductor probe and auto fast warm-up.
• Instant response, pinpoint leak position, whether in your home or in your RV. Audio & visible leakage alarm indication and adjustable sensitivity. Minimum 50 PPM (methane)
• Video tutorial for your preparation. Please scroll down to "Related Video Shorts" on this page to find out. Also, you can download the latest version of Instruction Manual in the section of Technical Specification, on the same page as product description.

Pangaea

• PROTECT YOUR HOME FROM WATER DAMAGE: Can be placed in the home wherever there is a risk for potential water damage, such as a flooding basement, washing machine leak, hot water tank failure, etc
• 24/7 PROTECTION: Smart technology helps detect leaks to help reduce the risk of water damage by providing 24/7 monitoring
• CONSTANT MONITORING: Monitors for water leaks and measures the room’s temperature and humidity to help protect against frost and mold risk
• REAL-TIME NOTIFICATIONS: Senses and sends real-time app notifications of water events that happen outside of the pipes – like a flooding basement or malfunctioning appliance
• WHOLE HOME PROTECTION: Offers ability to use and connect multiple detectors within the home for whole home protection; Available in single- or multi-packs, providing the opportunity to achieve home water management at any budget
• COMPATIBILITY: Use detector as a standalone monitoring device or connect it to the Flo by Moen Smart Water Shutoff (sold separately) for whole-home protection
• INCLUDES: Includes a detector extension cable with remote sensing disc that can extend up to 48 inches, making it perfect for reaching tight spaces; CR123A 3-volt lithium metal battery that lasts up to 2 years

Moen

• World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property.
• Easy and Effective Property Protection: The YoLink wireless Water Sensor could not be easier to install; just place near or under the equipment you wish to monitor. Suggested uses are near or under sump pumps, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks and any other location subject to water leaks and flooding.
• Early-Warning Notifications: Receive real-time early-warning notifications and protect your home and property from water damage. Notifications are in the form of smartphone banner alerts, SMS/text messages and emails, each optional and configured per your needs. Additionally, you may configure your system to activate a siren alarm and/or lights in your home.
• Low-Power Means Longer Battery Life: Because of the low power consumption, device batteries may last 5 years or more (depending on application and device usage/activity), on standard AAA Alkaline batteries (lithium batteries not required)!
• YoLink Hub Required and sold separately: YoLink Hub is the only central controller for YoLink devices. Without YoLink Hub, the YoLink leak sensor does not work on YoLink APP. Please search B07TQLKQLJ for the hub or try our Leak Sensors kit with Hub B084WYB8PM

YoLink

• A GAS DETECTOR FOR MOST EVERY COMBUSTIBLE GAS: Locates the source of explosive gas leaks including natural gas or methane, propane, fuel including gasoline or kerosene, sewer gas, alcohol, butane, coal gas, ethane, toluene, and other flammable gases.
• PORTABLE & FLEXIBLE GAS LEAK DETECTOR: Powered by 3 AAA batteries, this portable gas detector sniffer can be taken anywhere to find gas leaks indoors or outdoors. Bend 12-inch length sensor neck in any direction along gas pipes or fuel lines in confined spaces to find gas leaks.
• VISUAL / AUDIO GAS INDICATORS: 6 LEDs with 85dB tonal alarm notify users of gas leaks and relative concentrations of natural gas & propane.
• ADJUSTABLE SENSITIVITY: Increase sensitivity dial to find small gas leaks. Decrease sensitivity to find larger explosive gas leaks while filtering out false alarms from background gas levels. If alarm sounds when turning on detector, sensitivity needs to be decreased toward (-).
• LIFETIME USA WARRANTY + ORIGINAL DESIGN: As the only US retailer of this item, we stand fully behind this product and will replace it if it ever breaks! We have a Midwest-based chemist on staff to answer any technical questions. Also included is a 20+ page eBook on Gas and Air Quality Hazards.

EG Air

• Loud (90dB) alarm sounds for up to 72 hours with direct water contact
• Fully automatic operation, No wiring required
• Specially designed unit floats in flood circumstances
• Low battery warning for optimum performance
• Includes five leak Alert units, five 9-volt batteries and detailed instructions

Zircon

• Wi-Fi water leak detector sends alerts by text and email. Also has an audible alarm. Geofencing technology can tell who's nearest, and sends an "all clear" when the problem has been resolved. Does not need a separate hub or base station. A 4 Ft. extension sensors (sold separately). Senses temperature and humidity. Monitoring home humidity levels can assist in alerting homeowner of potential mold formation in the home. Install water leak detection systems on major appliances such as refrigerators, washing machines or hot water heaters to monitor leaks. Detector is reusable. Cold-Alert detection. Easy to install.
• Temperature sensing -30F to 150F (-35C to 65C)

Honeywell Home

• Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
• Response within 3 seconds; Warm up in 6 seconds.
• 7 Adjustable Sensitivity; Maximum sensitivity is 0.21oz/yr.
• Audible and visual gas leakage indicators and dual battery indicator.
• A flexible probe around 7.9-inch allow detections in difficult and hard-to-reach areas. 24/7 US Technician Support via Email and Phone.

Elitech

• Dripping and Leaking Alarm: Besides 2 groups of back water detector probes, each detector also has 1 group of front probes for pipe dripping. Place them in your bathroom, basement, kitchen, underneath your sink or by your water heater. Quickly detects water leakage, therefore saving you lots of money on costly water damage & repairs
• Wireless and Easy to Use: No wire or setup required, the mini size allow you to put it on any place that the dripping and leaking could happen. If you have purchased our Water Leak Detector kit, you can add it to the kit, then when you are not at home, you will also be able to monitor your home's leaks on your phone. Search "B07QP153GT" to find Water Leak Detector kit on Amazon
• Loud Alarm Audio: Each water leak detector features an ultra-loud 100 DB alarm audio. Loud enough to be heard even if leak happens in basement, press the button to mute the sound when you find the leaking place
• Low Battery Alert and Waterproof: The water sensor alarm will beep and flash red light when battery is low, Or press the button on it to test the battery level, and the complete sealed waterproof structure ensure its long lifespan in moisture situation
• Your Purchase Protected: Govee provide 30 days money back guarantee & 1 year replacement warranty & life support guarantee unconditionally (Battery replacement not included). Purchase one to take care of you family and property without any risk

Govee

• A 12-inch fl flexible probe allows location and detection of leaks in hard-to-reach and confined spaces
• Six red LED's (visual) and 85dB audible alerts that increase with Gas concentration
• Excellent sensor,high sensitivity,long lifetime. Powered by: 3 x AAA 1.5V batteries (not included)
• Sense low amounts of butane gas, methane (natural gas), and propane gas
• Detection range: 50 to 10, 000 ppm

TECHAMOR