Product Search

    SEARCH NOW FOR ALL YOUR RADWELL SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    HVAC / Air Duct Sensor

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 1-50 of 751.
    ALERTON MS-1010H-BT

    ALERTON

    MS-1010H-BT

    ONE-SPEED BACTALK MICROSET WALL SENSOR, WITH RH SENSOR, 10 KOHM AT 77 DEG-F, 1822 AWG, SHIELDED, TWO-CONDUCTOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$829.01
    CAN$829.01
    JOHNSON CONTROLS CD-P00-00-0

    JOHNSON CONTROLS

    CD-P00-00-0

    DISCONTINUED BY MANUFACTURER, TRANSMITTER SENSOR, CO2, 30V, DUCT MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,031.03
    CAN$1,031.03
    Repair Yours CAN$679.39
    JOHNSON CONTROLS HLC-6110-5

    JOHNSON CONTROLS

    HLC-6110-5

    DUCT HUMIDISTAT 30-90PERCENT ADJ 24VAC 20-30VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$731.29
    CAN$731.29
    Repair Yours CAN$402.83
    HONEYWELL WTS-10

    HONEYWELL

    NOVAR CONTROLS CORP

    WTS-10

    ZONE TEMPERATURE SENSOR, WALL MOUNT, 20-120 DEG FAHRENHEIT, 4-20 MA
    ✓ IN STOCK!
    CAN$2,118.55 Buy Surplus As Low As CAN$902.18
    CAN$902.18
    DELTA M CORP FS4100

    DELTA M CORP

    FS4100

    DISCONTINUED BY MANUFACTURER, MASS AIR FLOW SENSOR, 110V, .1A CURRENT, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$786.65
    CAN$786.65
    HONEYWELL LP914A-1029

    HONEYWELL

    LP914A-1029

    WELL MOUNT, ROD AND TUBE PNUEMATIC, 15IN. TEMPERAUTRE SENSOR, RANGE 40-240F (5-115C)
    ✓ IN STOCK!
    CAN$1,183.42 Buy Surplus As Low As CAN$731.35
    CAN$731.35
    INGERSOLL RAND BAYSENS019A

    INGERSOLL RAND

    TRANE

    BAYSENS019A

    DISCONTINUED BY MANUFACTURER, ZONE SENSOR, PROGRAMMABLE, CONSTANT VOLUME, W/ DSIPLAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$748.47
    CAN$748.47
    Repair Yours CAN$424.62
    HONEYWELL HP971A-1008

    HONEYWELL

    HP971A-1008

    SPACE HUMIDITY SENSOR, PNEUMATIC, DIRECT ACTING, 15-75 PERCENT RELATIVE HUMIDITY
    ✓ IN STOCK!
    CAN$1,072.74 Buy Surplus As Low As CAN$662.96
    CAN$662.96
    SIEMENS 544-343

    SIEMENS

    LANDIS & GYR

    544-343

    DUCT SENSOR 1000OHM PLATINUM RTD INPUT 18IN/PROBE
    ✓ IN STOCK!
    CAN$138.97 Buy Surplus As Low As CAN$64.10
    CAN$64.10
    Repair Yours CAN$366.21
    SCHNEIDER ELECTRIC ETD100-8

    SCHNEIDER ELECTRIC

    TAC

    ETD100-8

    TEMPATURE SENSOR, 8 INCH DUCT, ACC: +/- 0.2C, 1.8K OHM THERMISTOR, VISTA, STEEL ENCLOSURE
    ✓ IN STOCK!
    CAN$32.50 Buy Surplus As Low As CAN$19.49
    CAN$19.49
    HONEYWELL LP914A-1144

    HONEYWELL

    LP914A-1144

    INSERTION TEMPERATURE SENSOR, RANGE 25-125 DEGREES F, DUCT MOUNTING, 15IN ELEMENT
    ✓ IN STOCK!
    CAN$387.12 Buy Surplus As Low As CAN$232.27
    CAN$232.27
    MAMAC SYSTEMS TE-705-B-12-C-1

    MAMAC SYSTEMS

    TE-705-B-12-C-1

    RIGID DUCT AVERAGING SENSOR - THERMISTOR, GALVANIZED STEEL NEMA-1 ENCLOSURE, 10,000 OHM NTC THERMISTOR (TYPE II), PROBE TYPE 24 FT, BENDABLE 3/8" ALUMINUM
    ✓ IN STOCK!
    CAN$144.26 Buy Surplus As Low As CAN$99.06
    CAN$99.06
    MAMAC SYSTEMS TE-705-B-12-A-1

    MAMAC SYSTEMS

    TE-705-B-12-A-1

    RIGID DUCT AVERAGING SENSOR - THERMISTOR, GALVANIZED STEEL NEMA-1 ENCLOSURE, 10,000 OHM NTC THERMISTOR (TYPE II), PROBE LENGTH 6 FT, BENDABLE 3/8" ALUMINIMUM
    ✓ IN STOCK!
    CAN$124.46 Buy Surplus As Low As CAN$65.55
    CAN$65.55
    MAMAC SYSTEMS TE-705-B-4-C-1

    MAMAC SYSTEMS

    TE-705-B-4-C-1

    RIGID DUCT AVERAGING SENSOR - RTD, GALVANIZED STEEL NEMA-1 ENCLOSURE, 1,000 OHM NICKEL RTD (6000 PPM), PROBE TYPE 24 FT, BENDABLE 3/8" ALUMINUM
    ✓ IN STOCK!
    CAN$172.55 Buy Surplus As Low As CAN$67.01
    CAN$67.01
    MAMAC SYSTEMS TE-705-B-4-A-1

    MAMAC SYSTEMS

    TE-705-B-4-A-1

    RIGID DUCT AVERAGING SENSOR - RTD, GALVANIZED STEEL NEMA-1 ENCLOSURE, 1,000 OHM NICKEL RTD (6000 PPM), PROBE LENGTH 6 FT, BENDABLE 3/8" ALUMINIMUM
    ✓ IN STOCK!
    CAN$149.92 Buy Surplus As Low As CAN$74.29
    CAN$74.29
    MAMAC SYSTEMS TE-705-B-17-B-1

    MAMAC SYSTEMS

    TE-705-B-17-B-1

    RIGID DUCT AVERAGING SENSOR - THERMISTOR, GALVANIZED STEEL NEMA-1 ENCLOSURE, 20,000 OHM NTC THERMISTOR, PROBLE LENGTH-12 FT, BENDABLE ALUMINUM 3/8"
    ✓ IN STOCK!
    CAN$132.95 Buy Surplus As Low As CAN$77.21
    CAN$77.21
    SMC ISA11-1L-01BG

    SMC

    ISA11-1L-01BG

    DISCONTINUED BY MANUFACTURER, AIR CATCH SENSOR, KIT/ACCESSORY, BRKT & GAUGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$115.08
    CAN$115.08
    SIEMENS 500-649706

    SIEMENS

    PYROTRONICS

    500-649706

    DISCONTINUED BY MANUFACTURER, AIR DUCT MONITORING HOUSING, OPERATING TEMPERATURE RANGE / 32-100 DRGREE F, VELOCITY RANGE / 100-4000 FPM, 5 AMP, TUBE PRESSURE DIFFERENTIAL RANGE / .01-1.2 INC ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$233.39
    CAN$233.39
    INVENSYS HSP-8242-0-0-1

    INVENSYS

    BARBER COLMAN

    HSP-8242-0-0-1

    HUMIDITY TRANSMITTER,SOLID STATE, RANGE 0-100% RH, 2% ACCURACY, CLASSIC COVER
    ✓ IN STOCK!
    CAN$549.50 Buy Surplus As Low As CAN$176.38
    CAN$176.38
    Repair Yours CAN$363.96
    SCHNEIDER ELECTRIC TS-9201

    SCHNEIDER ELECTRIC

    TAC

    TS-9201

    DISCONTINUED BY MANUFACTURER, SENSOR,DUCT/IMMERSION SENSOR, SOLID STATE,6IN ELEMENT,FLANGE,1/4IN NPT,12IN LEADS,-40-250DEG F
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$41.61
    CAN$41.61
    SCHNEIDER ELECTRIC TCX861

    SCHNEIDER ELECTRIC

    ANDOVER CONTROLS

    TCX861

    DISCONTINUED BY MANUFACTURER, SCHNEIDER ELECTRIC, TCX861, AIR DUCT SMOKE SENSOR UNIT ,240VAC/24VDC, 5AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$411.53
    CAN$411.53
    Repair Yours CAN$366.21
    UNITED TECHNOLOGIES B034592H02

    UNITED TECHNOLOGIES

    CARRIER

    B034592H02

    AIR SENSOR 42N NTC W/CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$131.11
    CAN$131.11
    INGERSOLL RAND 4190-1132

    INGERSOLL RAND

    TRANE

    4190-1132

    DISCONTINUED BY MANUFACTURER, DUCT/IMMERSION THERMISTOR TEMP. SENSOR, 10KOHM, 4 IN SENSOR LENGTH, WITH CONDUIT BOX, NEMA-1, IP-30
    ✓ IN STOCK!
    CAN$136.10 Buy Surplus As Low As CAN$88.12
    CAN$88.12
    MAMAC SYSTEMS TE-702-B-7-B

    MAMAC SYSTEMS

    TE-702-B-7-B

    DUCT TEMPERATURE SENSOR - THERMISTOR - TE-702, GALV. STEEL NEMA-1 ENCLOSURE, 10,000 OHM NTC THERMISTOR (TYPE III), PROBE LENGTH-6 INCHES
    ✓ IN STOCK!
    CAN$27.44 Buy Surplus As Low As CAN$21.47
    CAN$21.47
    AIR PRODUCTS & CONTROLS SL-2000-N

    AIR PRODUCTS & CONTROLS

    SL-2000-N

    DISCONTINUED BY MANUFACTURER, IONIZATION SENSOR, 4-WIRE, UNIVERSAL VOLTAGE, NO-TOOLS, LOW-FLOW TECHNOLOGY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$416.14
    CAN$416.14
    Repair Yours CAN$360.00
    TASSERON THPF040

    TASSERON

    THPF040

    DUCT TEMPERATURE SENSOR, QWIK MINI NI1000, 4 IN PROBE, IP54
    ✓ IN STOCK!
    CAN$32.53 Buy Surplus As Low As CAN$17.50
    CAN$17.50
    PRECON ST-W3E-XH-XL4

    PRECON

    ST-W3E-XH-XL4

    DUCT SENSOR, WITH 4 INCH PROBE, STAINLESS STEEL, COVER
    ✓ IN STOCK!
    CAN$107.81 Buy Surplus As Low As CAN$69.28
    CAN$69.28
    HONEYWELL HP971A-1016

    HONEYWELL

    HP971A-1016

    DISCONTINUED BY MANUFACTURER, PNEUMATIC SPACE HUMIDTY SENSOR, DIRECT ACTING, 65-95% RH
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$87.41
    CAN$87.41
    Repair Yours CAN$359.00
    WARREN GV SAF-1026

    WARREN GV

    SAF-1026

    DISCONTINUED BY MANUFACTURER, AIR FLOW SENSOR, 1000 FPM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$63.00
    CAN$63.00
    HONEYWELL C7600C-1008

    HONEYWELL

    C7600C-1008

    DISCONTINUED BY MANUFACTURER, HUMIDITY SENSOR, DUCT MOUNT, 4-20MA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$37.21
    CAN$37.21
    PSG CONTROLS LVS-AH22

    PSG CONTROLS

    LVS-AH22

    DISCONTINUED BY MANUFACTURER,DUCT SENSOR UNIT,COOL/HEAT,REQUIRES 4 SENSORS NOT INCLUDED
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$14.47
    CAN$14.47
    AUTOMATION COMPONENTS INC DT2630A-04

    AUTOMATION COMPONENTS INC

    DT2630A-04

    DISCONTINUED BY MANUFACTURER, WIRELESS, TEMP, DUCT, 4"
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$465.00
    CAN$465.00
    JOHNSON CONTROLS A91PAA-1

    JOHNSON CONTROLS

    A91PAA-1

    DISCONTINUED BY MANUFACTURER, DUCT SENSOR, OPEN TYPE, 60/120F
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$74.31
    CAN$74.31
    JOHNSON CONTROLS HE-67P3-0N00W

    JOHNSON CONTROLS

    HE-67P3-0N00W

    DISCONTINUED BY MANUFACTURER, HUMIDITY ELEMENT SENSOR. HUMIDITY ELEMENT SENSOR PLATINUM TEMP SENSOR 3% RH ACCURACY NO SETPT
    ✓ IN STOCK!
    CAN$110.35 Buy Surplus As Low As CAN$66.21
    CAN$66.21
    UNITED TECHNOLOGIES 33CSSEN-01

    UNITED TECHNOLOGIES

    CARRIER

    33CSSEN-01

    DISCONTINUED BY MANUFACTURER,TEMPERATURE SENSOR,INDOOR/OUTDOOR,-67-185 DEGREES F,-55,TO,85 DEGREES C
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$173.32
    CAN$173.32
    JOHNSON CONTROLS F62AA-9C

    JOHNSON CONTROLS

    F62AA-9C

    DISCONTINUED BY MANUFACTURER, AIR FLOW SWITCH, F62 SERIES, 8/16 AMP, 115/230 V, 2000 FPM, 4 INCH WIDTH, 2 13/16 INCH DIAMETER, 100 DEGREE F MAX AMBIENT, SPDT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$142.46
    CAN$142.46
    SCHNEIDER ELECTRIC ETD200-6

    SCHNEIDER ELECTRIC

    TAC

    ETD200-6

    ET SERIES TEMPERATURE SENSOR, 6", DUCT, 10K OHM THERMISTOR, I/NET COMPATIBLE, STEEL ENCLOSURE
    ✓ IN STOCK!
    CAN$46.62 Buy Surplus As Low As CAN$23.31
    CAN$23.31
    ALERTON TS-2004-FB-03-AA

    ALERTON

    TS-2004-FB-03-AA

    DISCONTINUED BY MANUFACTURER, DUCT SENSOR, 3K OHM, 4-INCH PROBE, FLANGE, 6 FT PLENUM CABLE, FOR IBEX SYSTEMS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$84.00
    CAN$84.00
    HONEYWELL SD505-DTS-K

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SD505-DTS-K

    REMOTE TEST SWITCH, FOR THE DUCTR DUCT SMOKE DETECTOR, RED, 24VDC, CSFM LISTED, MEA APPROVED, 429-92-E.VOL9 FM APPROVED
    ✓ IN STOCK!
    CAN$321.96 Buy Surplus As Low As CAN$212.50
    CAN$212.50
    CURTISS WRIGHT 733-PB-W-018-4600H

    CURTISS WRIGHT

    ULTRA ELECTRONICS

    733-PB-W-018-4600H

    DUCT TEMPERATURE SENSOR WITH TRANSMITTER, PT100 RTD, 100OHMS @0C (32F) (DIN B), PAINTED STEEL BOX WITH COVER, NEMA 4, 18" INSERTION LENGTH, 100OHM PT RTD INPUT, PC PROGRAMMABLE, 4-20MA OUTPU ...
    ✓ IN STOCK!
    CAN$871.14 Buy Surplus As Low As CAN$522.98
    CAN$522.98
    HONEYWELL C7041B2005/U

    HONEYWELL

    C7041B2005/U

    DUCT TEMPERATURE SENSOR, 20K, 6 INCH, OPERATING TEMPERATURE -30 TO 160F
    ✓ IN STOCK!
    CAN$61.18 Buy Surplus As Low As CAN$41.15
    CAN$41.15
    THERMOKON 651226

    THERMOKON

    651226

    DUCT SENSOR, TEMPERATURE / RELATIVE HUMIDITY / ABSOLUTE HUMIDITY / ENTHALPY / DEW POINT, INTERFACE / ACTIVE / PASSIVE, 4..20 MA, IP65 ACCORDING TO EN 60529 PIPE, PA6, WITH FILTER STAINLESS S ...
    ✓ IN STOCK!
    CAN$584.16 Buy Surplus As Low As CAN$399.88
    CAN$399.88
    HONEYWELL DTS-20

    HONEYWELL

    NOVAR CONTROLS CORP

    DTS-20

    DISCONTINUED BY MANUFACTURER, AIR DUCT SENSOR, RANGE 30-80F, OUTPUT 4-20MA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$157.94
    CAN$157.94
    KELE & ASSOCIATES KTD3-XN3

    KELE & ASSOCIATES

    KTD3-XN3

    DUCT THEMISTOR AND RTD SENSOR, 4.875 INCH, METALLIC ENCLOSURE, -40-221 DEGREES F, 10K OHMS @ 77 DEGREES F, TYPE 3, NIST CERTIFICATE
    ✓ IN STOCK!
    CAN$87.09 Buy Surplus As Low As CAN$30.68
    CAN$30.68
    KMC CONTROLS STE-1404M

    KMC CONTROLS

    STE-1404M

    DISCONTINUED BY MANUFACTURER, DUCT SENSOR, 12 INCH, RIGID, 12 INCH PROBE, WITH METAL ENCLOSURE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$27.40
    CAN$27.40
    HONEYWELL SSP128B010

    HONEYWELL

    SSP128B010

    DISCONTINUED BY MANUFACTURER, HUMIDITY SENSING PROBE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$66.50
    CAN$66.50
    HONEYWELL TC17A-1002

    HONEYWELL

    TC17A-1002

    DISCONTINUED BY MANUFACTURER, AIR DUCT SMOKE DETECTOR, 120 VAC, 60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$127.28
    CAN$127.28
    Repair Yours CAN$366.21
    INVENSYS TS-58011

    INVENSYS

    BARBER COLMAN

    TS-58011

    DISCONTINUED BY MANUFACTURER 12/19/2015, REMOTE TEMPERATURE SENSOR, WALL MOUNT, PLATIMUM, BLANK COVER, 1000 OHM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$82.60
    CAN$82.60
    TITAN PRODUCTS TPTDS

    TITAN PRODUCTS

    TPTDS

    DUCT TEMPERATURE SENSOR, 150MM PROBE, FLAME RETARDANT POLYCARBONATE, +/-0.2C @ 70C THERMISTOR, +/-0.4C (4-20MA), +/-0.5C (0-10V), 1.0MM RECOMMENDED 2.5MM MAX., IP65
    ✓ IN STOCK!
    CAN$43.70 Buy Surplus As Low As CAN$29.14
    CAN$29.14
    HONEYWELL C7031C-1031

    HONEYWELL

    C7031C-1031

    DISCONTINUED BY MANUFACTURER, DUCT SENSOR, XL-80/100/500, 18INCHES, 40-240F
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$58.27
    CAN$58.27
    Next
    1 2 3 4 5 6 7 8 9 10 11
    Related Categories
    Cable Component Control Software Enclosure Flow Gauge Humidity Sensor/Transmitter Hydraulic Valve Mount Bracket/Bolt/Stud Kit Pressure Monitor/Indicator Sensor Accessory