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 687.
    HONEYWELL LP914A-1029

    HONEYWELL

    LP914A-1029

    WELL MOUNT, ROD AND TUBE PNUEMATIC, 15IN. TEMPERAUTRE SENSOR, RANGE 40-240F (5-115C)
    ✓ IN STOCK!
    CAN$1,233.19 Buy Surplus As Low As CAN$739.93
    CAN$739.93
    HONEYWELL LP920A1005

    HONEYWELL

    LP920A1005

    D/A 2\.4M DUCT AVERAGING ELEMEN , LP920A1005
    ✓ IN STOCK!
    CAN$2,556.76 Buy Surplus As Low As CAN$1,534.05
    CAN$1,534.05
    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$810.12
    CAN$810.12
    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$1,007.53
    CAN$1,007.53
    Repair Yours Contact Us
    HONEYWELL WTS-10

    HONEYWELL

    NOVAR CONTROLS CORP

    WTS-10

    ZONE TEMPERATURE SENSOR, WALL MOUNT, 20-120 DEG FAHRENHEIT, 4-20 MA
    ✓ IN STOCK!
    CAN$2,050.16 Buy Surplus As Low As CAN$873.06
    CAN$873.06
    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$731.42
    CAN$731.42
    Repair Yours Contact Us
    HONEYWELL T7022A-1010

    HONEYWELL

    T7022A-1010

    AIR DUCT SENSOR, 1420 OHMS THERMISTOR, 60-90 DEGREE F TEMPERATURE RANGE
    ✓ IN STOCK!
    CAN$433.96 Buy Surplus As Low As CAN$272.22
    CAN$272.22
    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$127.76
    CAN$127.76
    HONEYWELL HP971A-1008

    HONEYWELL

    HP971A-1008

    SPACE HUMIDITY SENSOR, PNEUMATIC, DIRECT ACTING, 15-75 PERCENT RELATIVE HUMIDITY
    ✓ IN STOCK!
    CAN$1,656.44 Buy Surplus As Low As CAN$525.77
    CAN$525.77
    HONEYWELL LP914A-1052

    HONEYWELL

    LP914A-1052

    TEMPERATURE SENSOR, 6-1/2 INCH LONG, 40-240DEG F
    ✓ IN STOCK!
    CAN$1,221.98 Buy Surplus As Low As CAN$551.36
    CAN$551.36
    HONEYWELL C7600C-1008

    HONEYWELL

    C7600C-1008

    DISCONTINUED BY MANUFACTURER, HUMIDITY SENSOR, DUCT MOUNT, 4-20MA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$37.03
    CAN$37.03
    WARREN GV SAF-1026

    WARREN GV

    SAF-1026

    DISCONTINUED BY MANUFACTURER, AIR FLOW SENSOR, 1000 FPM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$81.10
    CAN$81.10
    JOHNSON CONTROLS W43A-14

    JOHNSON CONTROLS

    PENN BASO

    W43A-14

    HUMIDISTAT, 0/70% RH SPDT, LOW LINE VOLTAGE, HORIZONTAL OR VERTICAL MTG
    ✓ IN STOCK!
    CAN$434.20 Buy Surplus As Low As CAN$341.23
    CAN$341.23
    HONEYWELL TP974A-2000-3

    HONEYWELL

    TP974A-2000-3

    DISCONTINUED BY MANUFACTURER, PNEUMATIC SPACE TEMPERATURE SENSOR, DIRECT ACTING, 50-100DEGREES FARENHEIT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$139.39
    CAN$139.39
    Repair Yours Contact Us
    HONEYWELL TP974A-1000

    HONEYWELL

    TP974A-1000

    DISCONTINUED BY MANUFACTURER, SENSOR, DIRECT ACTING, TEMPERATURE RANGE 50-100 DEGREE F
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$115.07
    CAN$115.07
    JOHNSON CONTROLS SEN-500-3

    JOHNSON CONTROLS

    SEN-500-3

    TEMPERATURE MODULE, OUTDOOR AIR, WITH DUCT MOUNT SENSOR
    ✓ IN STOCK!
    CAN$175.04 Buy Surplus As Low As CAN$74.81
    CAN$74.81
    HONEYWELL C7031B-1033

    HONEYWELL

    C7031B-1033

    DUCT SENSOR ELECTRONIC CIRCUIT FOR XL 80/100/500
    ✓ IN STOCK!
    CAN$88.86 Buy Surplus As Low As CAN$27.98
    CAN$27.98
    Repair Yours Contact Us
    SIEMENS 544-339-18

    SIEMENS

    SIEMENS INDUSTRY

    544-339-18

    TEMPERATURE DUCT SENSOR, PT 1K OHM, 18" PROBE, MEASURING RANGE: -40 TO 180 DEG F
    ✓ IN STOCK!
    CAN$85.05 Buy Surplus As Low As CAN$49.66
    CAN$49.66
    SIEMENS 544-343

    SIEMENS

    LANDIS & GYR

    544-343

    DUCT SENSOR 1000OHM PLATINUM RTD INPUT 18IN/PROBE
    ✓ IN STOCK!
    CAN$138.52 Buy Surplus As Low As CAN$68.29
    CAN$68.29
    Repair Yours Contact Us
    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$232.63
    CAN$232.63
    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$139.21
    CAN$139.21
    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$199.76
    CAN$199.76
    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$109.99 Buy Surplus As Low As CAN$65.99
    CAN$65.99
    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$74.07
    CAN$74.07
    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$132.52 Buy Surplus As Low As CAN$104.55
    CAN$104.55
    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$149.43 Buy Surplus As Low As CAN$117.61
    CAN$117.61
    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$171.99 Buy Surplus As Low As CAN$68.00
    CAN$68.00
    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$124.06 Buy Surplus As Low As CAN$97.29
    CAN$97.29
    SIEMENS 587-691

    SIEMENS

    STAEFA CONTROL SYS

    587-691

    DISCONTINUED BY MANUFACTURER, DUCT POINT TEMPERATURE, SENSOR, 10K OHM
    ✓ IN STOCK!
    CAN$25.09 Buy Surplus As Low As CAN$13.13
    CAN$13.13
    HONEYWELL LP910A-1007

    HONEYWELL

    LP910A-1007

    THERMOSTAT AIR STREAM SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$57.50
    CAN$57.50
    Repair Yours Contact Us
    MAMAC SYSTEMS HU-224-3-MA

    MAMAC SYSTEMS

    HU-224-3-MA

    DUCT MOUNT HUMIDITY TRANSDUCER, 3& ACCURACY, 4-20MA, 2WIRE OUTPUT, 12-40VDC
    ✓ IN STOCK!
    CAN$214.28 Buy Surplus As Low As CAN$117.14
    CAN$117.14
    HONEYWELL C7041D2001

    HONEYWELL

    C7041D2001

    WATER SENSOR 5" PROBE 20K OHM IMMERSION SENSOR GSA GS-07F-9515S
    ✓ IN STOCK!
    CAN$64.85 Buy Surplus As Low As CAN$45.01
    CAN$45.01
    Repair Yours Contact Us
    SIEMENS QPA63.1

    SIEMENS

    LANDIS & GYR

    QPA63.1

    AIR QUALITY SENSORS, POWER SUPPLY: 24 VAC, OUTPUT SIGNAL: 0-10VDC, SENSOR: CO2 / COV, MOUNTING: ROOM, PROTECTION CLASS: IP30 / IP54
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$537.19
    CAN$537.19
    Repair Yours Contact Us
    INVENSYS TC-5131

    INVENSYS

    ROBERTSHAW

    TC-5131

    DISCONTINUED BY MANUFACTURER, THERMOSTAT DUCT LOW TEMP 2POS SPDT AUTO RESET,34/60 DEG F
    Buy Surplus As Low As CAN$266.67
    CAN$266.67
    INVENSYS TS-5951-0-0-1

    INVENSYS

    ROBERTSHAW

    TS-5951-0-0-1

    DISCONTINUED BY MANUFACTURER, SENSOR COPPER OUTDOOR AIR 1000 OHM
    Buy Surplus As Low As CAN$41.86
    CAN$41.86
    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$95.20
    CAN$95.20
    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$87.12
    CAN$87.12
    Repair Yours Contact Us
    PRECON ST-W3E-XH-XL4

    PRECON

    ST-W3E-XH-XL4

    DUCT SENSOR, WITH 4 INCH PROBE, STAINLESS STEEL, COVER
    ✓ IN STOCK!
    CAN$105.36 Buy Surplus As Low As CAN$67.71
    CAN$67.71
    AUTOMATION COMPONENTS INC A/AN-D-12"-PB

    AUTOMATION COMPONENTS INC

    A/AN-D-12"-PB

    10, 000 OHM THERMISTOR (TYPE III), DUCT, 12", PLASTIC ENCLOSURE
    ✓ IN STOCK!
    CAN$36.00 Buy New CAN$36.00
    CAN$28.00
    INVENSYS HS-8201

    INVENSYS

    BARBER COLMAN

    HS-8201

    HUMIDITY SENSOR, DUCT, SOLID STATE
    ✓ IN STOCK!
    CAN$377.11 Buy Surplus As Low As CAN$248.89
    CAN$248.89
    Repair Yours Contact Us
    DELTA CONTROLS 400369

    DELTA CONTROLS

    400369

    DISCONTINUED BY MANUFACTURER, AIR DUCT SENSOR, HUMIDITY/TEMPERATURE SENSING, 10K-OHM RTD SENSOR, 12-35VDC INPUT RATING, 0-5V 4-20MA OUTPUT RATING, 1/2INCH ENCLOSURE CONNECTION, NPSM RELAY OU ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$84.97
    CAN$84.97
    AUTOMATION COMPONENTS INC A/RH5-1K-NI-D

    AUTOMATION COMPONENTS INC

    A/RH5-1K-NI-D

    RELATIVE HUMIDITY, RH OUTPUTS: 0-5, 0-10 VDC & 4-20MA (DEFAULT), DUCT, ± 5% ACCURACY, 100 OHM RTD (TWO WIRES), EURO ENCLOSURE
    ✓ IN STOCK!
    CAN$203.00 Buy New CAN$203.00
    CAN$138.48
    AUTOMATION COMPONENTS INC A/20K-D-4"-PB

    AUTOMATION COMPONENTS INC

    A/20K-D-4"-PB

    DUCT TEMPERATURE SENSOR, 20000 OHM THERMISTOR, 4 INCH SENSOR LENGTH, PLASTIC ENCLOSURE
    ✓ IN STOCK!
    CAN$35.00 Buy New CAN$35.00
    CAN$21.00
    AUTOMATION COMPONENTS INC A/CP-DO-4"-6'CL2P

    AUTOMATION COMPONENTS INC

    A/CP-DO-4"-6'CL2P

    THERMISTOR, 10,000 OHM, (TYPE II), DUCT, WITHOUT BOX, 4", 6' PLENUM CABLE
    ✓ IN STOCK!
    CAN$46.00 Buy New CAN$46.00
    CAN$28.00
    TASSERON THPF040

    TASSERON

    THPF040

    DUCT TEMPERATURE SENSOR, QWIK MINI NI1000, 4 IN PROBE, IP54
    ✓ IN STOCK!
    CAN$31.78 Buy Surplus As Low As CAN$17.09
    CAN$17.09
    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$406.66
    CAN$406.66
    Repair Yours Contact Us
    MAXITROL 01724601-001

    MAXITROL

    01724601-001

    DUCT SENSOR, PAKSTAT SERIES I/II, SENSOR WITH 48" LEADS
    ✓ IN STOCK!
    CAN$300.62 Buy Surplus As Low As CAN$190.21
    CAN$190.21
    INVENSYS T99-106

    INVENSYS

    ROBERTSHAW

    T99-106

    TEMPERATURE DUCT SENSOR -30 TO 212F W/6IN PROBE
    CAN$45.25 Buy Surplus As Low As CAN$37.69
    CAN$37.69
    Repair Yours Contact Us
    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$32.42 Buy Surplus As Low As CAN$26.14
    CAN$26.14
    INGERSOLL RAND BAYSENS017B

    INGERSOLL RAND

    TRANE

    BAYSENS017B

    DISCONTINUED BY MANUFACTURER, REMOTE ZONE SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$92.38
    CAN$92.38
    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