Installation Packages Sensors | Float Switch | Carbon Detectors | UV Light | Thermostats | All Sensors Float Switch Carbon Detectors UV Light Thermostats Air Filters $0.00 Select Size 16" x 24" x 2" 20" x 20" x 1" 16" x 25" x 2" 16" x 20" x 1" 20" x 25" x 1" 20" x 30" x 1" 24" x 24" x 1" 12" x 12" x 1" 16" x 20" x 2" Add To Cart Google Nest Temperature Sensor $0.00 Select Amount 1 3 Add To Cart ecobee SmartSensor 2 Pack $0.00 Add To Cart Multipurpose Water Sensor $0.00 Add To Cart Metal Pan Float Switch $0.00 Add To Cart Safe-T-Switch® Overflow Shut-Off Switch $0.00 Add To Cart Smoke and CO Alarm Nest Protect $0.00 Add To Cart Carbon Monoxide Alarm $0.00 Add To Cart Sealed Battery Carbon Monoxide Alarm $0.00 Add To Cart AC Powered Plug-in Carbon Monoxide Alarm $0.00 Add To Cart Battery Operated Carbon Monoxide Alarm $0.00 Add To Cart Carbon Monoxide Detector with RealTest™ Technology $0.00 Add To Cart Elite-UV Germicidal Light $0.00 Add To Cart Blue-Tube UV-X Germicidal UV Light 18-32 VAC $0.00 Add To Cart Blue-Tube UV Germicidal Light $0.00 Add To Cart Nest Smart Wi-Fi Thermostat $0.00 Select Color Fog Snow Sand Add To Cart Google Nest Thermostat $0.00 Add To Cart T725 Programmable Thermostat $0.00 Add To Cart T705 Programmable Thermostat $0.00 Add To Cart T4 Pro Programmable Thermostat $0.00 Add To Cart T6 Pro Programmable Thermostat $0.00 Add To Cart FocusPRO® 5000 Digital Non-Programmable Thermostat $0.00 Add To Cart