Products
Hello

Household Sensors & Alarms

Categories

〈Tools & Home Improvement

Household Sensors & Alarms

Gas Detectors & Alarms

Water Detectors & Alarms

Price

Brands

Topvico Flood Alarm Water Leak Sensor Detector 130dB Work Alone Home Security 3 Pack

$15.29

View Deals
BW Technologies GA-PA-1-NA Replacement Power Adaptor, For GasAlert Detectors

$48.69

View Deals
Asbestos- Asbestos Inspector in a Box

$22.00

View Deals
MarCELL 500 Cellular monitoring system

$119.95

View Deals
SimpliSafe Wireless Home Security System with Easy DIY Setup: Complete Home Protection with 24/7 Alarm Monitoring & No Contract (White, 5 Pieces)

$199.99

View Deals
Flood Buzz Water Leak Detector Sounds Alarm (Set of 3)

$27.99

View Deals
SPI Observer 500 - Indoor/Outdoor High Water Alarm - (10A500 / SMD-5H)

$156.30

View Deals
KETOTEK Digital Thermometer Temperature Meter Gauge Waterproof Sensor Probe Aquarium Car Water PC Case Temp meter Celsius/Fahrenheit Display C/F PC MOD

$9.99

View Deals
Drinking Water Test Kit For Municipal Tap and Well Water - Simple Testing For Heavy Metals, Bacteria, Nitrates, Chlorine and More

$26.69

View Deals
MTI Industries 30-442-P-WT Propane Gas Alarm - White

$54.00

View Deals
Floodstop Individual Water Appliance Additional Water Sensor XS-01

$39.21

View Deals
Level Sense Pro - WiFi Sump Pump and Flood Alarm, Power Fail, Temperature and Humidity Monitor. Text Messaging Alarms. Historical Data

$199.99

View Deals
Aeon Labs ZW080-A17 Z-Wave Gen 5 siren for indoors - US freq.

$14.50

View Deals
Onsite Pro FS3/4H Washing Machine FloodStop with Straight Valves

$270.26

View Deals
1/4 Mile Long Range Wireless Driveway Alarm w/ Two Sensors Kit. Top Rated Outdoor Weatherproof Motion Sensor/Detector- Best DIY Security Alert System- Protect Home, Perimeter, Yard, Garage, Pool

$199.99

View Deals
Allegro Industries 9401‐20 Deluxe Manhole Lid Lifter

$217.99

View Deals
Atwood 36720 Hydro LPG Leak Detector

$118.94

View Deals
E-SDS Water Leak Detector with Shutoff Valve,Sensors and Sounds Alarm,Automatic Water Leak Shut Off Valve System,for Pipes 3/4 NPT,Flood Prevention for Laundry,Water Heaters and More

$109.99

View Deals
WaterCop Wireless Water Leak Detection System, 1 In. Valve, 3 Sensors

$631.74

View Deals
Rectorseal 83626 2 EZ Trap 626 Overflow Switch

$46.73

View Deals
SafeTAlert MTI 30-441-P 12V White Surface Mount LP (Propane) Gas Detector

$61.20

View Deals
Edwards Signaling 7007B-N5 Buzzer/Strobe

$129.48

View Deals
Zoeller 10-4013 APak Z Control Enabled Indoor Alarm System, N/A

$269.99

View Deals
Honeywell RWD21 Water Leak Alarm

$13.99

Avg. Savings $0.38
Shackcom Water Leak Detector with Audio and Light Sensor Alarm, Wireless & Water-Proof, 110 dB, Battery-Powered (Second Generation)

$11.99

View Deals
Edwards Signaling 340-4N5 4" Vibrating Bell, Continuous Ringing, 98/88 db, Diecast Housing, 120V AC, Gray

$143.67

Avg. Savings $15.89
Radon Gas Test Kit

$16.99

Avg. Savings $6.51
WaterCop Flood Sensor Single Probe

$70.79

View Deals
Fibaro Flood Sensor, Z-Wave Plus Water Leak Detector, FGFS-101 ZW5

$72.78

View Deals
Optex HX-40 High Mount Outdoor PIR Motion Detector

$272.20

View Deals
SJE-Rhombus Tank Alert XT - Indoor/Outdoor Tank Alarm with Auto Reset

$208.99

View Deals
AirCover Natural Gas Detector, Mini Plug-in Gas Leak Sensor Alarm Monitor Sniffer for Combustible Explosive Gas LNG LPG Methane Propane Butane High Sensitivity (White)

$25.99

View Deals
Water Leak Detector, Up to 120 DB, 72 Hours, Louder Sound, Longer Alarm Detection Sensor for Pefect Protection of Your Belongings, 3 Pack

$19.95

View Deals
SGILE Combustible Natural Gas Detector Portable Gas Leak Detector Tester with Sound Light Alarm Gas Sniffer

$29.99

View Deals
Portable Gas Leak Sniffer Detector (Batteries Included) Propane/Methane/Combustible Sensor Alarm Tester with Sound Light Warning | CE Certified | SGS UKAS Certified

$19.90

Avg. Savings $5.18
Drive Medical 3 Wheel Rollator

$98.84

Avg. Savings $17.71
2pk 2.4V Gas Meter Battery for TIF 8800 Combustible Gas Detector FAST USA SHIP

$23.95

View Deals
Water Alarm - Leak Bug Electronic Leak Detector - Detects as little as 1/32" of water

$17.95

View Deals
RDEXP Automatic 1/2"" Water Level Control Valve Water Tank Water Float Valve

$9.99

View Deals
Simplex 4090-9051 Supervised IAM

$45.36

View Deals
Safe-T-Alert 30-442 12V Propane Alarm Flush Mount Black

$52.99

Avg. Savings $1.19
Onsite Pro FS3/8CD Sink (Hot and Cold) FloodStop with 3/8 Inch Compression Valves

$276.57

View Deals
TPI 721 Combustible Gas Leak Detector, LCD Display, 10 ppm Sensitivity

$302.04

Avg. Savings $8.72
Zircon 64003 Leak Alert Electronic Water Detector, 1-Pack

$15.99

View Deals
Glentronics, Inc. USC3 PHCC Pro Series Ultimate Sensor Float Controller

$166.99

View Deals
WaterCop LeakStopPlus Single-Point Leak Detection, 3/4 In. (WCLSLFA34)

$298.20

Avg. Savings $45.69
Valterra V02126 'Detect-A-Leak' Leak Detector - 8 oz. Bottle

$19.71

View Deals
WE Furniture Reclaimed Wood Entry Bench in Amber - 42"

$288.98

View Deals

Capital One Shopping gets you better offers, automatically applies coupon codes at checkout, and lets you know when prices drop on products you've viewed and purchased.

© 2026 Capital One Shopping

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsCapital One
Get Capital One ShoppingResearchSitemap

© 2026 Capital One Shopping

Capital One Shopping gets you better offers and automatically applies coupon codes at checkout.

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsResearchCapital OneSitemap