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
    39 Results.
    HONEYWELL HP971A-1008

    HONEYWELL

    HP971A-1008

    SPACE HUMIDITY SENSOR, PNEUMATIC, DIRECT ACTING, 15-75 PERCENT RELATIVE HUMIDITY
    ✓ IN STOCK!
    $879.00 Buy Surplus As Low As $528.00
    $528.00
    HONEYWELL LP914A-1052

    HONEYWELL

    LP914A-1052

    TEMPERATURE SENSOR, 6-1/2 INCH LONG, 40-240DEG F
    ✓ IN STOCK!
    $775.00 Buy Surplus As Low As $465.00
    $465.00
    AUTOMATION COMPONENTS INC A/AN-BC-D-8"-PB

    AUTOMATION COMPONENTS INC

    A/AN-BC-D-8"-PB

    10,000 OHM THERMISTOR W/11K SHUNT, DUCT, 8", PLASTIC ENCLOSURE
    ✓ IN STOCK!
    $24.00 Buy New $24.00
    $16.00
    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!
    Buy Surplus As Low As $61.00
    $61.00
    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!
    $292.00 Buy Surplus As Low As $193.00
    $193.00
    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!
    $58.00 Buy New $58.00
    $36.00
    HONEYWELL C7041D-2001

    HONEYWELL

    C7041D-2001

    TEMPERATURE SENSOR, DUCT, -40-250 DEGREE F, 20 KOHM, 5 INCH
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $39.00
    $39.00
    REZNOR 263315

    REZNOR

    263315

    ENTHALPY SENSOR F/W7220 SYLK BUS
    $260.00 Buy Surplus As Low As $156.00
    $156.00
    ORION FANS AFM-01NO

    ORION FANS

    AFM-01NO

    AIR-FLOW SWITCH, NC WITH MOU
    ✓ IN STOCK!
    $48.00 Buy New $48.00
    $37.00
    SIEMENS QBM3020-5

    SIEMENS

    QBM3020-5

    AIR DUCT DIFFERENTIAL PRESSURE SENSOR, MEASURING RANGE: 0...500 PA, 0-10V OUTPUT, (S55720-S236)
    ✓ IN STOCK!
    $399.88 Buy Surplus As Low As $239.93
    $239.93
    AMPHENOL T8041

    AMPHENOL

    T8041

    GAS DETECT SENSOR, CO2, 2000PPM; PARTICLE COUNT MAX:2000PPM; ACCURACY:3%; SAMPLING METHOD:DIFFUSION; PRODUCT RANGE:- ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $395.00 Buy Surplus As Low As $237.00
    $237.00
    GEORGE RISK INDUSTRIES HVAC-2.2K

    GEORGE RISK INDUSTRIES

    HVAC-2.2K

    HVAC KIT, 2 4561 TILT SENSORS, 1 SPECIFIED RESISTOR PACK W/72IN LEADS,
    ✓ IN STOCK!
    $63.00 Buy Surplus As Low As $42.00
    $42.00
    HONEYWELL X119177AW

    HONEYWELL

    MICROSWITCH

    X119177AW

    AIRFLOW/NEW PRESSURE
    $2,024.00 Buy Surplus As Low As $1,215.00
    $1,215.00
    Repair Yours $1,009.00
    JOHNSON CONTROLS TE-6321V-2

    JOHNSON CONTROLS

    TE-6321V-2

    DUCT MT PLT TEMP SENS; 8"PROBE
    $26.00 Buy Surplus As Low As $16.00
    $16.00
    AUTOMATION COMPONENTS INC A5KRA24PB

    AUTOMATION COMPONENTS INC

    A5KRA24PB

    S.S. RIGID AVERAGING 24"
    $106.00 Buy New $106.00
    $64.00
    AUTOMATION COMPONENTS INC A1003WHT10

    AUTOMATION COMPONENTS INC

    A1003WHT10

    REMOTE PROBE
    $135.00 Buy New $135.00
    $81.00
    Repair Yours Contact Us
    TYCO 748-215

    TYCO

    SIMPLEXGRINNELL

    748-215

    DISCONTINUED BY MANUFACTURER, (SHIP GROUP DUCT DETECTOR)
    Buy Surplus As Low As $33.00
    $33.00
    LENNOX 53W80

    LENNOX

    53W80

    SMOKE DETECTOR
    $353.00 Buy Surplus As Low As $212.00
    $212.00
    Repair Yours $200.00
    HONEYWELL 3LC60X

    HONEYWELL

    3LC60X

    WINTRISS DETECTOR 3 60 IN EXT
    $8,864.00 Buy Surplus As Low As $4,432.00
    $4,432.00
    Repair Yours $3,679.00
    HONEYWELL AWM42100VH

    HONEYWELL

    MICROSWITCH

    AWM42100VH

    AIRFLOW/NEW PRESSURE
    $446.00 Buy Surplus As Low As $223.00
    $223.00
    Repair Yours $200.00
    HONEYWELL X115549-AW

    HONEYWELL

    MICROSWITCH

    X115549-AW

    AIRFLOW/NEW PRESSURE
    $536.00 Buy Surplus As Low As $268.00
    $268.00
    Repair Yours $224.00
    WATTS 20045

    WATTS

    TEKMAR

    20045

    070E OUTDOOR SENSOR
    $67.98 Buy Surplus As Low As $41.32
    $41.32
    WATTS 20503

    WATTS

    TEKMAR

    20503

    ETF199 REMOTE FLOOR SENSOR
    $51.98 Buy Surplus As Low As $31.99
    $31.99
    WATTS 90012

    WATTS

    TEKMAR

    90012

    082E UNIVERSAL SENSOR
    $54.65 Buy Surplus As Low As $33.32
    $33.32
    AUTOMATION COMPONENTS INC TS-2006-FB-10-AA

    AUTOMATION COMPONENTS INC

    TS-2006-FB-10-AA

    DUCT SENSOR, 10 K OHM, 6 INCH PROBE, FLANGE, 6 FT PLENUM CABLE, FOR BACTALK SYSTEMS
    Buy Surplus As Low As $34.00
    $34.00
    AAON RN03130-11-B

    AAON

    RN03130-11-B

    R/A SMOKE DETECTOR
    $872.00 Buy Surplus As Low As $524.00
    $524.00
    Repair Yours $435.00
    JOHNSON CONTROLS TE-6300-104

    JOHNSON CONTROLS

    TE-6300-104

    12" THERMISTOR PROBE
    $64.00 Buy Surplus As Low As $39.00
    $39.00
    UNITED TECHNOLOGIES 42QN8A45500R

    UNITED TECHNOLOGIES

    CARRIER

    42QN8A45500R

    THERMISTOR ASSY(2 THERMISTORS)
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    GTE 45343

    GTE

    SYLVANIA

    45343

    PRICE/EA; (MIN PURCH OF 10 MAY BE REQ)- ELAC-OCCIR-WV-WMT/24
    $602.00 Buy Surplus As Low As $362.00
    $362.00
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC A2252RA24PB

    AUTOMATION COMPONENTS INC

    A2252RA24PB

    S.S. RIGID AVERAGING 24"
    $106.00 Buy New $106.00
    $64.00
    SIEMENS 8MR3191-1CA

    SIEMENS

    8MR3191-1CA

    FILTER MATS FOR SERIES PF/PFAF SCHEME FILTER FAN BAUGROESSE 1F SCHEME PF 1000
    $9.65 Buy Surplus As Low As $5.79
    $5.79
    JOHNSON CONTROLS S1-031-00878-001

    JOHNSON CONTROLS

    YORK

    S1-031-00878-001

    TEMPERATURE SENSOR; 60"LEAD
    $85.00 Buy Surplus As Low As $51.00
    $51.00
    VERMONT CASTING CLA-TS0016

    VERMONT CASTING

    CLA-TS0016

    STAINLESS STEEL HEAT PLATE FOR VERMONT CF9055
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    XYLEM SM909BSC14

    XYLEM

    LAING THERMOTECH

    SM909BSC14

    ¾” SWEAT/FIXED THERMOSTAT (130°F)
    $343.00 Buy Surplus As Low As $206.00
    $206.00
    Repair Yours $200.00
    XYLEM SMT909BSCW14

    XYLEM

    LAING THERMOTECH

    SMT909BSCW14

    ¾” SWEAT/TIMER/FIXED THERMOSTAT (130°F)/CORD
    $467.00 Buy Surplus As Low As $281.00
    $281.00
    Repair Yours $234.00
    HONEYWELL 4280602

    HONEYWELL

    MICROSWITCH

    4280602

    WINTRISS PRODUCTS NC/NR
    $276.00 Buy Surplus As Low As $138.00
    $138.00
    WATTS 33548

    WATTS

    TEKMAR

    33548

    077G THIMBLE SENSOR - BRASS
    $91.97 Buy Surplus As Low As $55.98
    $55.98
    WATTS 93588

    WATTS

    TEKMAR

    93588

    077E REMOTE AIR SENSOR PLATE
    $149.29 Buy Surplus As Low As $89.31
    $89.31
    AAON RM0083A-11-D

    AAON

    RM0083A-11-D

    R/A & S/A SMOKE DETECTOR
    $1,742.00 Buy Surplus As Low As $871.00
    $871.00
    Repair Yours $724.00
    1