Water damage is one of the most expensive home repairs—and often happens when you’re not watching. This sensor attachment gives you early warning when water levels rise too high, whether from an overflowing tub, a leaking appliance, or basement flooding.
Who This Sensor Attachment Is Best For
- Parents monitoring children’s bath time
- Homeowners with water heaters or sump pumps
- Those concerned about basement flooding
- Anyone wanting overflow protection for sinks and tubs
Is This the Right Sensor for You?
Choose this Water Sensor if you want:
- Overflow detection for bathtubs and sinks
- Water heater and appliance leak monitoring
- Basement flood early warning
- Affordable water damage prevention
Consider something else if you need:
- Personal safety alarm → Keychain Alarm
- Room entry security → 3-in-1 Personal Alarm
- Whole-home monitoring → Professional water monitoring systems
Prevent Costly Water Damage
An overflowing bathtub can cause thousands of dollars in ceiling, floor, and furniture damage. The sensor attachment monitors water levels and triggers the alarm before overflow occurs—whether you’re distracted, on the phone, or in another room.
Versatile Water Monitoring
Position the suction cup at your desired alert level in bathtubs, utility sinks, or near water heaters. The 27-inch cable gives you flexibility to mount the sensor where you need it while keeping the alarm unit accessible.
Practical Details
27.13″ sensor cable length. Suction cup mount included. Weighs 0.1 lbs. Requires compatible alarm unit (sold separately). Simple plug-in connection.
Quick Comparison: Water Monitoring Options
| Feature | Overflow Sensor | Smart Water Sensor | Flood Alarm | No Monitor |
|---|---|---|---|---|
| Early Warning | Yes ✓ | Yes ✓ | Yes ✓ | No |
| Smartphone Alert | No | Yes ✓ | No | N/A |
| Cost | $2.00 ✓ | $30-50 | $15-30 | $0 |
| WiFi Required | No ✓ | Yes | No ✓ | N/A |
| Installation | Simple ✓ | Setup required | Simple ✓ | N/A |
| Best For | Tub monitoring | Connected homes | Floor flooding | Risk tolerance |
Protect your home from water damage. Order your Overflow Sensor today.
Frequently Asked Questions
What alarm does this work with?
This sensor attachment is designed to work with compatible personal alarm units that have a sensor input port. Check your alarm’s specifications for compatibility.
Can I use this in a basement for flood detection?
Yes. Position the sensor at floor level near sump pumps, water heaters, or anywhere flooding might occur. The alarm will sound when water reaches the sensor.
How do I mount the sensor in a bathtub?
The suction cup attaches to smooth tub surfaces. Position it at the water level where you want to be alerted—typically a few inches below the overflow drain to give you time to respond.





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