Refurbished Household Sensors & Alarms — 61 Deals

BW Technologies/Honeywell Analytics BWC2-H BW Clip Single-Gas Detector, Hydrogen Sulfide (H2S), Yellow

RFID Tamper Evident Cable Seal - 200

Honeywell Home Water Alarm

AzdBvae 120dB High Low Water Level Sensor Alarm Strobe Siren 16.4ft Cord

Cradtec Digital Radon Detector III, White, Radon Monitor, Radon Meter, Tempered Glass, Short Term and Long Term Result, Portable, Easy to Use, 3 AAA Batteries, Switchable Between Bq/M3 and pCi/L

Gas Detector with Pump, 4 Gas Monitor Multi Gas Detector CO EX O2 H2S Meter

Pool Preserver Advanced Wi-Fi Alert System: Bridge Gateway, Pool Sensor, Indoor Outdoor Temp. and Humidity, Indoor Pool Temperature Display with Ambient Temp. and Humidity

NEO Zigbee Water Sensor, Smart Water Leak Detector for Home, Requires Zigbee Hub, Compatible with SmartThings and Home Assistant (ZHA & Z2M)

Risinglink WiFi Water Leak Detector with 6.5 ft Sensing Cable, Whole-Area Leak Detection, Text Message, Email & Audible Alerts, Battery Powered

AEGTEST HOUND-3786 Radon Detector for Home, 10-Min Update, 3.5" Large Display, Long-Term Radon Monitoring with Data Charts, PDF Export, Audible & Visual Alarm, pCi/L & Bq/m³ -Black

TACO LB-075-H-2LF LeakBreaker 3/4"" NPT Water Heater Shut-Off Valve & Actuator

Zoeller 771302 APak Control Enabled Indoor Alarm System with Reed Sensor

FloodStop Water Heater Motorized Ball Valve, 3/4" Compression