Top 9 Water Alarm for Sump Pump – Water Detectors & Alarms

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THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm

THE BASEMENT WATCHDOG #ad - Accommodates the addition of more than 100 ft. Of water to offer an effective early warning system. Of wire additional 24-Gauge wire not included. Detects as little as 1/32 in. Sensor has a 6 ft. Wire so it can be extended into a sump pit, or mounted on a wall. Solid-state circuitry is extremely sensitive and reliable. Loud 110 db alarm can be heard throughout the house.
ManufacturerGlentronics, Inc. #ad
Height4.25 Inches
Length1.25 Inches
Weight0.29 Pounds
Width3.25 Inches
Part NumberBWD-HWA
Warranty5 Year Warranty

2. Reliance Controls


105 Db, 6 Ft Wire Sensor, Reliance Controls THP205 Reliance Sump Pump Alarm with Flood Alert, White, 9 V Battery

Reliance Controls #ad - Sounds loud 150dB alarm. Has alarm option for musical tone. 6-foot sensor wire with water-sensing probe.
BrandReliance Controls #ad
ManufacturerReliance Controls #ad
Height12 Inches
Length13 Inches
Weight0.3 Pounds
Width9 Inches
Part Number117658
Warranty1 Year

3. Superior Pump


Superior Pump 92060 Sump Alarm System with 15-Foot Tethered Float Switch

Superior Pump #ad - 9 volt battery backup, battery not included. Monitors liquid levels in sump and sewage basins, holding tanks and other water applications. Non-corrosive NEMA enclosure, rated for indoor use. Comes complete with alarm, 15 foot float switch and mounting clip. 87 decibel alarm horn with low battery chirp.
BrandSuperior Pump #ad
ManufacturerSuperior Pump #ad
Height4 Inches
Length8 Inches
Weight2.75 Pounds
Width2.45 Inches
Part Number92060
Warranty1 year limited warranty

4. Moen


Moen S2000ESUSA Moen Smart Sump Pump Monitor

Moen #ad - A remote leak sensing disc is included to detect water on the ground near the sump pump and alert you immediately. Allows you to receive additional water security in an area of the home that is not monitored today and can be problematic for water issues.

A freeze alert will also notify you if abnormal temperatures are detected and pipes are at risk. If a vulnerability is detected with your sump pump system, you will receive alerts through your preferred notification method—the Moen Smart Water App, text, email, phone call—or the device can sound audibly. Allows you to test your battery backup system if applicable and ensure it’s working properly for added security and peace of mind.

24/7 proactive monitoring and real-time alerts allow you to address and proactively mitigate the risk of water damage and flooding. The moen smart water app provides exact water-level data to detect potential and actual pump failure, loss of power, temperature, Wi-Fi status, humidity, as well as excessive pump running, and leak detection.
BrandMoen #ad
ManufacturerMoen Incorporated #ad
Height3.63 Inches
Length2.5 Inches
Width3 Inches
Part NumberS2000ESUSA
WarrantyLimited Lifetime Warranty



Level Sense Sump Pump Failure Alarm w/ Self Recharging Battery, 15 Foot Float

LEVEL SENSE #ad - Piercing 120 db siren Can Be Heard Anywhere in the Home. Works with all Brands of Sump Pump. Includes float Switch with 15' Cord. Built in test and Silence Capability, Made in USA. High water alarm w/self recharging Battery Operates 1+ Week without AC Power.
ManufacturerSump Alarm Inc. #ad
Height3 Inches
Length5 Inches
Weight0.8 Pounds
Width4 Inches
Part NumberLS-ALM-120V-RAW

6. Instapark


Low Battery Alert, 120dB Loud Alarm Audio and Bright red and Yellow LED Flashing, Instapark Water Alarm

Instapark #ad - In addition, it has alternating red and yellow LED flashing lights making it easier for users to find. Ideal for placing the sensor in hard to reach areas. Easy to use battery compartment - Easy to use battery compartment requires no tools.

Battery operated - this device uses 3 aaa batteries. Low battery alert - when the water leak alarm has low battery and needs to be replaced, it will notify you by making a short buzzer sound and flashing yellow LED lights. Sensor cable - the water detector sensor is located at the end of the 4-foot 48-inch cable. It has a super strong alert sound of 120db. On standby mode, the red leD light will flash every 30s to notify you that it’s on standby. New design - the new water leak alarm launched in 2019. It’s super easy to open and replace the battery.
BrandInstapark #ad
ManufacturerInstapark #ad
Height1 Inches
Length2.5 Inches
Width3.25 Inches
Part NumberIWA-02-1PCK



Proteus L5, Wi-Fi Water Level/Sump Monitor Sensor with Buzzer, email/Text Alerts

PROTEUS #ad - View live on cloud. Get alerts when level crosses a set threshold. No hub or gateway required. Easy set up, with back mount power plugs directly into wall outlet. Cloud enabled water/liquid level sensor. Programmable alerts when water level goes above, or goes below set level. Ideal for water level monitoring, tank monitoring, basement sump pump water level detection. Connects to your home or office wifi.
BrandPROTEUS #ad
ManufacturerProteus Sensor #ad
Height2 Inches
Length3.5 Inches
Width3.5 Inches
Part NumberSpeed8Bgreen_SML

8. Sump Alarm


In/Outdoor High Water Alarm w/Pilot Light and Horn for Septic/Sump/Pond & Other Applications

Sump Alarm #ad - 6' ac cord, 10 foot float switch Cord from Alarm to Sump/ Tank. Ip67-rated with gasketed enclosure and weatherproof components, Sump Alarm Water Alarm is ideal for lift stations, grinder pumps and pool sumps.

An led light and a 90 db horn deliver visual and audible alerts from the moisture sensor. Our flood sensor lets you know when water levels approach a dangerous stage. Polypropylene float switch on our water sensor alarm detects changes within 6” for fast troubleshooting. Minimize property damage with quick notification from our water level sensor. Monitor water levels from your home with our septic alarm by Sump Alarm.
BrandSump Alarm #ad
ManufacturerSump Alarm, Inc. #ad
Height3 Inches
Length3 Inches
Weight1.9 Pounds
Width3 Inches
Part NumberSW-120V-1L

9. MySpool


Battery Powered with a Float Sensor, MySpool Water Level Alert with Text Message and Email Notifications

MySpool #ad - 3 aaa batteries, included, last for years with limited activity. All services are free. Perfect as a standalone high or low water alarm. Flip the float ring to send alert when water level falls.

Waterproof float sensor with a 3 ft wire connected to a rugged enclosure protecting smart electronics. Rugged enclosure supports up to 250 lbs, designed to operate in dusty and moldy environments. Alert is sent if the float rises to signal high water level. Flip the float ring and use this device to detect low water levels in aquariums, and storage tanks. Avoid costly repairs by keeping MySpool Water Detector anywhere that has the potential for flooding or developing a leak.

This float sensor can be used to detect high or low water levels, ponds, the default setting detects high water levels. Email and text message notification when water level change is detected. Battery powered wireless water level detector using your WiFi, no app to install and no hub is required.
BrandMySpool #ad
ManufacturerMySpool #ad