Safety Equipment and GearAir QualityAlarm SystemsAll Home SecurityBathroom Cabinets & FixturesBathroom PlumbingBreakers, Distributors, and Load CentersCar Emergency SuppliesCarbon Monoxide AlarmsDimmers, Switches, and Wall PlatesElectrical ToolsEmergency SuppliesFire SafetyHand ToolsHome SafetyHVAC Ducting and VentilationKiddePaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesSafety DetectorsStorm & Flood PrepSurveillanceTestersWildfire Prep
Sort by|
Safety Equipment and GearAir QualityAlarm SystemsAll Home SecurityBathroom Cabinets & FixturesBathroom PlumbingBreakers, Distributors, and Load CentersCar Emergency SuppliesCarbon Monoxide AlarmsDimmers, Switches, and Wall PlatesElectrical ToolsEmergency SuppliesFire SafetyHand ToolsHome SafetyHVAC Ducting and VentilationKiddePaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPipes, Fittings & AccessoriesSafety DetectorsStorm & Flood PrepSurveillanceTestersWildfire Prep
Duct Detector(34)
Uses item details. Price when purchased online
Elitech ILD-100H HVAC Refrigerant Leak Detector Heated Diode Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder $129.99

Sponsored
$12999
current price $129.99Elitech ILD-100H HVAC Refrigerant Leak Detector Heated Diode Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder
Edwards Signaling Duct Detector,2-Wire SD-2W $231.90

$23190
current price $231.90Edwards Signaling Duct Detector,2-Wire SD-2W
HVAC Leak Detector Leak Tester AC Sniffer CFCs HCFCs Tester with Light & Alarm

HVAC Leak Detector Leak Tester AC Sniffer CFCs HCFCs Tester with Light & Alarm
2. Portable HVAC Leak Detector with Alarm & Light, CFCs HCFCs Tester for AC Systems, 0-1000PPM
2. Portable HVAC Leak Detector with Alarm & Light, CFCs HCFCs Tester for AC Systems, 0-1000PPM
Clearance JIhuahe 5-in-1 Handheld Metal and Wall Detector - Multifunction Stud Finder Scanner for Wires, Ducts, Wood, Cable, and Metal Detection, Portable Scanner Device,Silver Was $18.49
JIhuahe 5-in-1 Handheld Metal and Wall Detector - Multifunction Stud Finder Scanner for Wires, Ducts, Wood, Cable, and Metal Detection, Portable Scanner Device,Silver
Suodoka Magnetic Stud Finder Wall Scanner Stud Detection Suction Screw Metal Wire Cable Duct Tester Black From $10.19

4 options
Available in additional 4 optionsFrom$1019
Suodoka Magnetic Stud Finder Wall Scanner Stud Detection Suction Screw Metal Wire Cable Duct Tester Black
HVAC Leak Detector Halogen Leak Tester AC Sniffer CFCs HCFCs Gas Tester with Light & Alarm From $36.88

2 options
Available in additional 2 optionsFrom$3688
HVAC Leak Detector Halogen Leak Tester AC Sniffer CFCs HCFCs Gas Tester with Light & Alarm
Elitech Infrared Refrigerant Leak Detector HVAC Halogen Gas AC Sniffer

Elitech Infrared Refrigerant Leak Detector HVAC Halogen Gas AC Sniffer
Portable High Sensitivity Leak Detector With Audible Visual Alerts for HVAC Automotive Refrigerants Systems $25.70

$2570
current price $25.70Portable High Sensitivity Leak Detector With Audible Visual Alerts for HVAC Automotive Refrigerants Systems
Clearance Nsxcdh Halogen Refrigerant Leak Detector HVAC AC Leak Sniffer Sensitive Adjustable Audible Visual Alarm Service Tool $13.99 Was $16.99

Now$1399
current price Now $13.99, Was $16.99$16.99
Nsxcdh Halogen Refrigerant Leak Detector HVAC AC Leak Sniffer Sensitive Adjustable Audible Visual Alarm Service Tool
11 out of 5 Stars. 1 reviews
Wire & Pipe Detector, Wall Safety Scanner, High Sensitivity Power Line Finder, LED and Sound Alert Tool, Portable Detector to Locate Live AC Wires and Metal Pipes Inside Walls,Black $16.19

$1619
current price $16.19Wire & Pipe Detector, Wall Safety Scanner, High Sensitivity Power Line Finder, LED and Sound Alert Tool, Portable Detector to Locate Live AC Wires and Metal Pipes Inside Walls,Black
Clearance Refrigerant Leak Detector HVAC Halogen Tester With Sound & Light Alarm for Freon Sniffer for w/ Flexible Probe High Sens $21.67 Was $26.09

Now$2167
current price Now $21.67, Was $26.09$26.09
Refrigerant Leak Detector HVAC Halogen Tester With Sound & Light Alarm for Freon Sniffer for w/ Flexible Probe High Sens
Freon Leak Detector WJL-6000 Refrigerant HVAC Leak Detector Halogen Gas Sniffer Automotive Gas Finder Halogen Leakage Tester Checker for R134a R410A R12 R22 R404A $27.99

$2799
current price $27.99Freon Leak Detector WJL-6000 Refrigerant HVAC Leak Detector Halogen Gas Sniffer Automotive Gas Finder Halogen Leakage Tester Checker for R134a R410A R12 R22 R404A
0-1000PPM HVAC Leak Detector Leak Tester Leak Detector AC Sniffer with Light & Alarm

0-1000PPM HVAC Leak Detector Leak Tester Leak Detector AC Sniffer with Light & Alarm
Veris Industries TAJI0 Industries Averaging Duct Sensor, 24' $205.34

$20534
current price $205.34Veris Industries TAJI0 Industries Averaging Duct Sensor, 24'
Mamac Duct Sensor,8" TE-702-B-17-C

Mamac Duct Sensor,8" TE-702-B-17-C
Electronics Leak Detector - Gas Leak Tester with Audibles Visual Alarm, High Sensitivity Detection for Auto, Ideal for Automotive Repair and HVAC Professionals

Electronics Leak Detector - Gas Leak Tester with Audibles Visual Alarm, High Sensitivity Detection for Auto, Ideal for Automotive Repair and HVAC Professionals
Lepmerk Freon Leak Detector WJL-6000 Refrigerant HVAC Leak Detector Halogen Gas Sniffer Automotive Gas Finder Halogen Leakage Tester Checker for R134a R410A R12 R22 R404A $25.40

$2540
current price $25.40Lepmerk Freon Leak Detector WJL-6000 Refrigerant HVAC Leak Detector Halogen Gas Sniffer Automotive Gas Finder Halogen Leakage Tester Checker for R134a R410A R12 R22 R404A
REACHISE PP Plastic Air Volume Rate Damper Manual Air Duct Check

REACHISE PP Plastic Air Volume Rate Damper Manual Air Duct Check
MLINS 3pcs Manual Plastic Air Duct Check Volume Control For Ventilation $40.29

$4029
current price $40.29MLINS 3pcs Manual Plastic Air Duct Check Volume Control For Ventilation
Elitech ILD-100H HVAC Refrigerant Leak Detector Heated Diode Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder $129.99

$12999
current price $129.99Elitech ILD-100H HVAC Refrigerant Leak Detector Heated Diode Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder
0-1000PPM HVAC Leak Detector Leak Tester Leak Detector AC Sniffer with Light & Alarm

0-1000PPM HVAC Leak Detector Leak Tester Leak Detector AC Sniffer with Light & Alarm
Refrigerant Leak Detector, WJL-6000 PRO Refrigerant HVAC Freon Leak Detector Halogen Freon Sniffer Rechargeable Air Conditioning Detection for CFCs, HCFCs, HFCs, HFOs, HCs

Refrigerant Leak Detector, WJL-6000 PRO Refrigerant HVAC Freon Leak Detector Halogen Freon Sniffer Rechargeable Air Conditioning Detection for CFCs, HCFCs, HFCs, HFOs, HCs
Metal Detection Wall Detector 2-Pack, Pipe Wire Stud Finder Adjustable Sensitivity Sound and Light Alerts for Home Construction Renovation Use

Metal Detection Wall Detector 2-Pack, Pipe Wire Stud Finder Adjustable Sensitivity Sound and Light Alerts for Home Construction Renovation Use
Clearance Freon Leak Detector Halogen Gas Sniffer Refrigerant AC Leak Tester WJL-6000 Halogen Leak Detector Refrigerant HVAC Checker-R134a R410a R22a NEW Was $24.39

Freon Leak Detector Halogen Gas Sniffer Refrigerant AC Leak Tester WJL-6000 Halogen Leak Detector Refrigerant HVAC Checker-R134a R410a R22a NEW
Lynono Leak Detector CFCs HCFCsGa-Tester with Alarm Halogen Leak Tester HVAC Leak Detector

Lynono Leak Detector CFCs HCFCsGa-Tester with Alarm Halogen Leak Tester HVAC Leak Detector
Clearance Refrigerant Leak Detector with LED Light, Aprvtio WJL-6000PRO Halogen Leak Detector Freon Gas Leakage Tester HVAC Air Condition R22 R410A R134A R1234YF CFCs HCFCs HFCs Indicator Freon Sniffer Was $41.99

Refrigerant Leak Detector with LED Light, Aprvtio WJL-6000PRO Halogen Leak Detector Freon Gas Leakage Tester HVAC Air Condition R22 R410A R134A R1234YF CFCs HCFCs HFCs Indicator Freon Sniffer
WJL-6000 Freon Leak Detector, Halogen Gas Sniffer Refrigerant, AC Leak Tester, Refrigerant HVAC Checker, Dual-Color Battery Voltage Display, R22 R410A R134A R1234YF

WJL-6000 Freon Leak Detector, Halogen Gas Sniffer Refrigerant, AC Leak Tester, Refrigerant HVAC Checker, Dual-Color Battery Voltage Display, R22 R410A R134A R1234YF
Clearance Refrigerants Leak Detector Freons Leak Detector With Adjustable Sensors Probes And Double Alarm Mode $27.25 Was $30.62

Now$2725
current price Now $27.25, Was $30.62$30.62
Refrigerants Leak Detector Freons Leak Detector With Adjustable Sensors Probes And Double Alarm Mode
Edwards Signaling Duct Detector,4-Wire SD-SJ

Edwards Signaling Duct Detector,4-Wire SD-SJ
System Sensor D4120 Innovair Flex 4-Wire Duct Detector Sensor

System Sensor D4120 Innovair Flex 4-Wire Duct Detector Sensor
Mamac Duct Sensor, 6" TE-702-B-7-B

Mamac Duct Sensor, 6" TE-702-B-7-B
Other options to consider(21)
Kidde SD-T24 Duct Detector Accessory, 24 in. Sampling Tube $27.93 $27.93/1

$2793
current price $27.93$27.93/1
Kidde SD-T24 Duct Detector Accessory, 24 in. Sampling Tube
Wall PVC Iron Pipe Blockage Detector Diagnostic-tool Scanner Pipeline Blocking Clogging Plumbers Instrument ,Accurate and Quick - 661A_0 $210.21

$21021
current price $210.21Wall PVC Iron Pipe Blockage Detector Diagnostic-tool Scanner Pipeline Blocking Clogging Plumbers Instrument ,Accurate and Quick - 661A_0
Venstar ACC-TSENWIFIPRO Pro Wi-Fi Wireless Temperature Sensor $134.59

$13459
current price $134.59Venstar ACC-TSENWIFIPRO Pro Wi-Fi Wireless Temperature Sensor
Clearance Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor From $14.02

From$1402
Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor
Air Duct Temperature Sensor, 8 inch probe, 10K Ohm Type II Thermistor. $22.19

$2219
current price $22.19Air Duct Temperature Sensor, 8 inch probe, 10K Ohm Type II Thermistor.
Zircon Wood Stud Superscan 130254 TC and FILTERz $72.56

$7256
current price $72.56Zircon Wood Stud Superscan 130254 TC and FILTERz
KAIWEETS Non-Contact Voltage Tester Pen, Dual Range AC 12V/70V-1000V Electrical Tester with LCD Display, CAT IV 1000V, Signal Percentage, Buzzer Alarm, Live Wire Detector and Breakpoint Finder $22.08

$2208
current price $22.08KAIWEETS Non-Contact Voltage Tester Pen, Dual Range AC 12V/70V-1000V Electrical Tester with LCD Display, CAT IV 1000V, Signal Percentage, Buzzer Alarm, Live Wire Detector and Breakpoint Finder
Popular in Duct Detector
Related Products
Ssi Digital Pressure Gauge,4 Display Digits MG1-50-A-9V-R
Ssi Digital Pressure Gauge,4 Display Digits MG1-50-A-9V-R$148.64current price $148.64Shimpo Force Gauge, +/-0.3% Force Acc, Digital FG-3007
Shimpo Force Gauge, +/-0.3% Force Acc, Digital FG-3007$541.66current price $541.66Shimpo Mechanical Force Gauge,Analog,98N MFD-04
Shimpo Mechanical Force Gauge,Analog,98N MFD-04$289.69current price $289.69Vermont Gage Class ZZ Go Pin Gauge Tol 0.00020 in 911106000
Vermont Gage Class ZZ Go Pin Gauge Tol 0.00020 in 911106000$17.99current price $17.99Calibrite X-Rite Display Plus HL Colorimeter Windows And Mac
Calibrite X-Rite Display Plus HL Colorimeter Windows And Mac$259.00current price $259.00Detector,Counter 0.96inch Tft 0.96inch Tft Display Tester Display Tool Real-time Nuclear Handheld Counter Portable Nuclear Handheld Tft Display Tool Buzhi Hxber Wotao Black
Detector,Counter 0.96inch Tft 0.96inch Tft Display Tester Display Tool Real-time Nuclear Handheld Counter Portable Nuclear Handheld Tft Display Tool Buzhi Hxber Wotao Black$39.17current price $39.17GlowShift | 2-1/16 (52mm) 10 Color Digital Series Vacuum Gauge for Cars and Trucks
GlowShift | 2-1/16 (52mm) 10 Color Digital Series Vacuum Gauge for Cars and Trucks$92.99current price $92.99Fieldpiece SDMN6 - Dual Port Manometer w/ Pressure Switch Tester
Fieldpiece SDMN6 - Dual Port Manometer w/ Pressure Switch Tester$355.24current price $355.24Fieldpiece JL3KM2 - Job Link® System Dual Port Manometer Probe Kit
Fieldpiece JL3KM2 - Job Link® System Dual Port Manometer Probe Kit$226.95current price $226.95Closed Circuit Liquid Level Gauge, Needle Valve, 12 in, 1/2 NPTF G608-12-A-1-4
Closed Circuit Liquid Level Gauge, Needle Valve, 12 in, 1/2 NPTF G608-12-A-1-4$230.05current price $230.05












