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    Industrial HVAC Components & Controls

    Enhance climate control efficiency with quality air handlers, actuators, and boiler controls, tailored for reliable HVAC performance in commercial and industrial settings.

    Optimize your HVAC systems with our comprehensive range of high-quality components and controls. Our HVAC selection features air conditioners, air handlers, boiler controls, flame/spark rods, and HVAC actuators to meet your industrial and commercial heating, ventilation, and air conditioning needs. Whether you're maintaining commercial buildings, optimizing industrial HVAC systems, or upgrading climate control in manufacturing facilities, our comprehensive range of HVAC components ensures peak performance and efficiency in your heating, ventilation, and air conditioning applications. Shop now for top-quality HVAC components and systems to optimize your industrial climate control.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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    Results 201-250 of 856.
    JOHNSON CONTROLS TE-6001-2

    JOHNSON CONTROLS

    TE-6001-2

    HOUSING, FOR OUTSIDE AIR TEMP SENSING ELEMENT
    ✓ IN STOCK!
    $60.46 Buy Surplus As Low As $38.88
    $38.88
    HONEYWELL W7751D2008

    HONEYWELL

    W7751D2008

    DISCONTINUED BY MANUFACTURER, VARIABLE AIR VOLUME CONTROLLER, FIELD WIRING 14 TO 22 AWG, 24 V AC, 50/60 HZ, 10 VA, 0 TO 0.5 KPA, REPLACED BY W7751D2016
    ✓ IN STOCK!
    Buy Surplus As Low As $250.73
    $250.73
    Repair Yours $300.00
    FORNEY 317017-01

    FORNEY

    317017-01

    PC BOARD, AFS CONTROL SYS, BURNER MGMT SYS, BASE BOARD: AFS-CIS-03
    ✓ IN STOCK!
    $738.35 Buy Surplus As Low As $502.17
    $502.17
    Repair Yours $417.83
    SMC XT17-6-14R

    SMC

    XT17-6-14R

    AIR SUPPLY, 1.0 MAX PRESSURE
    ✓ IN STOCK!
    $537.00 Buy Surplus As Low As $295.44
    $295.44
    Repair Yours $300.00
    HONEYWELL ML7474A-1007

    HONEYWELL

    ML7474A-1007

    DISCONTINUED BY MANUFACTURER, ACTUATOR, DIRECT COUPLED, 132 IN LB TORQUE
    ✓ IN STOCK!
    Buy Surplus As Low As $71.58
    $71.58
    Repair Yours $300.00
    STEVECO 90-295

    STEVECO

    90-295

    RELAY, 208/240 VAC, 50/60 HZ, 8FLA, FOR HVAC FAN
    ✓ IN STOCK!
    $13.22 Buy Surplus As Low As $11.02
    $11.02
    SMC AMC310-N03

    SMC

    AMC310-N03

    AMC EXHAUST CLEANER, AMC 3/8INCH STANDARD (NPT), EXHAUST CLEANER 3/8 NPT, MUFFLER
    ✓ IN STOCK!
    $60.00 Buy Surplus As Low As $45.40
    $45.40
    Repair Yours $300.00
    SMC AMC320-N03B

    SMC

    AMC320-N03B

    EXHAUST CLEANER, AMC SERIES, 3/8 IN STANDARD BODY SIZE, (2) 3/8 IN FEMALE THREADS, NPT THREAD, WITH BRACKET, MUFFLER
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $14.87
    $14.87
    Repair Yours $300.00
    SMC AMC610-N10B

    SMC

    AMC610-N10B

    AMC EXHAUST CLEANER, AMC 1 INCH STANDARD (NPT), EXHAUST CLEANER 1 NPT
    ✓ IN STOCK!
    $106.00 Buy Surplus As Low As $68.74
    $68.74
    Repair Yours $300.00
    SMC AMC320-N03

    SMC

    AMC320-N03

    EXHAUST CLEANER/MUFFLER, SERIES AMC, 3/8INCH NPTF THREADED PORT,
    ✓ IN STOCK!
    $48.00 Buy Surplus As Low As $30.59
    $30.59
    Repair Yours $300.00
    JOHNSON CONTROLS AS-AHU-101-1

    JOHNSON CONTROLS

    METASYS

    AS-AHU-101-1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, DDC, 4 AMP, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,498.66
    $1,498.66
    Repair Yours $1,129.46
    PARKER DD10-02

    PARKER

    SCHRADER BELLOWS

    DD10-02

    MINI DISPOSABLE DRYER, 40 MICRON, 1/4" NPT, INLINE, DD10 SERIES, 15 SCFM, BRONZE ELEMENT, 125 PSIG MAX
    ✓ IN STOCK!
    $40.91 Buy Surplus As Low As $35.35
    $35.35
    ALERTON LSI-ARCNET

    ALERTON

    LSI-ARCNET

    ARCNET CARD
    ✓ IN STOCK!
    Buy Surplus As Low As $682.13
    $682.13
    Repair Yours $482.74
    RANCO V6-314101-1YI

    RANCO

    V6-314101-1YI

    REVERSING VALVE 4WAY 24VAC COIL OEM YORK HEAT PUMP
    ✓ IN STOCK!
    Buy Surplus As Low As $156.39
    $156.39
    Repair Yours $300.00
    HONEYWELL M7284C1018

    HONEYWELL

    M7284C1018

    DISCONTINUED BY MANUFACTURER, ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 90-160 DEGREE STROKE, 30-60 SECONDS TIMING, 150 LB-IN TORQUE RA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,134.97
    $1,134.97
    Repair Yours $590.00
    HONEYWELL RM7895A1048

    HONEYWELL

    RM7895A1048

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, SPECIAL SEQUENCE EARLY SPARK TERMINATION, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 ...
    ✓ IN STOCK!
    $1,461.67 Buy Surplus As Low As $877.00
    $877.00
    Repair Yours $453.83
    HONEYWELL RM7840M1017

    HONEYWELL

    RM7840M1017

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, DUST COVER, INTERRUPTED PILOT TYPE, INTERMITTENT SECOND STAGE PILOT VALVE, 5 SECOND EARLY SPARK TERMINATION, 15 SECOND PO ...
    ✓ IN STOCK!
    $6,180.89 Buy Surplus As Low As $3,708.53
    $3,708.53
    Repair Yours $990.00
    CLEAVER BROOKS 833-2718

    CLEAVER BROOKS

    833-2718

    BURNER CONTROL UNIT, KEYBOARD DISPLAY MODULE, AUTO PROGRAM, 120 VAC, 60 HZ, 30 SECONDS, (CB833-2718), (833-2718-000), (RM7800L1079)
    ✓ IN STOCK!
    $7,958.80 Buy Surplus As Low As $4,775.28
    $4,775.28
    Repair Yours $2,790.00
    JOHNSON CONTROLS TE-6322P-1

    JOHNSON CONTROLS

    TE-6322P-1

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, 1000OHM PT, 8INCH, FOR WALL MOUNTING, REPLACED BY TE-6352P-1
    ✓ IN STOCK!
    $94.17 Buy Surplus As Low As $58.53
    $58.53
    SIEMENS 587-160

    SIEMENS

    STAEFA CONTROL SYS

    587-160

    WIRING BASE FOR PREDATOR
    ✓ IN STOCK!
    $37.60 Buy Surplus As Low As $13.32
    $13.32
    Repair Yours $300.00
    HONEYWELL 84-20303-301B

    HONEYWELL

    84-20303-301B

    RELAY HVAC COIL 240VAC 50/60HZ
    ✓ IN STOCK!
    $26.90 Buy Surplus As Low As $11.65
    $11.65
    RITTAL 3286.400

    RITTAL

    3286.400

    FOAM FILTER MAT, FOR WALL-MOUNTED COOLING UNIT 3304/05/28/29/32/66, 344MM (13.5IN) WIDTH, 268MM (10.6IN) HEIGHT, 10 MM (0.4 IN) DEPTH, TEMPERATURE RESISTANT FROM -40 TO +80 DEGREES C, (PRICE ...
    ✓ IN STOCK!
    $79.00 Buy New $79.00
    $61.00
    RITTAL 3118000

    RITTAL

    3118000

    HYGROSTAT, SETTING RANGE: 50-100% RELATIVE HUMIDITY, SWITCHING DIFFERENCE: APPROXIMATELY 4%, COLOR: RAL 7035, SK3118000, 1 PHASE, 24-250 VAC, 24-48 VDC, SINGLE-POLE CHANGE-OVER CONTACT, QUIC ...
    ✓ IN STOCK!
    $148.40 Buy New $148.40
    $106.00
    WEIL MCLAIN 382-200-448

    WEIL MCLAIN

    382-200-448

    INTEGRATED BOILER CONTROL KIT, GOLD CONTROL MODULE CONVERSION KIT INCLUDES: MODULE, CIRCULATOR HARNESS, TEMPERATURE SENSOR JUMPER, REPLACES S9301A1001 & S9301A1027
    ✓ IN STOCK!
    $575.18 Buy Surplus As Low As $345.11
    $345.11
    HAMMOND MANUFACTURING FAN80FG

    HAMMOND MANUFACTURING

    FAN80FG

    FAN GUARD, METAL, FOR 80MM X 80MM FANS; FAN GUARD TYPE:STEEL - WIRE FORM; FOR USE WITH:80MM AXIAL FANS; FIXING CENTERS:71.5MM; COLOR / FINISH:-; PRODUCT RANGE:DNMF SERIES; ACCESSORY TYPE:FAN ...
    ✓ IN STOCK!
    $17.00 Buy Surplus As Low As $13.00
    $13.00
    GRAINGER 4C119

    GRAINGER

    DAYTON

    4C119

    BLOWER, 10-5/8 IN. WHEEL DIA., DIRECT DRIVE, FOR 1047 TO 1848 CFM AIRFLOW (DEPENDENT ON MOTOR)
    $1,076.00 Buy Surplus As Low As $646.00
    $646.00
    Repair Yours $521.00
    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 $79.25
    $79.25
    EMERSON EK-08-2-S

    EMERSON

    ALCO CONTROLS

    EK-08-2-S

    DISCONTINUED BY MANUFACTURER, FILTER DRIER, EXTRA KLEEN, LIQUID LINE, 1/4IN
    ✓ IN STOCK!
    Buy Surplus As Low As $16.77
    $16.77
    EMERSON EK-053S

    EMERSON

    ALCO CONTROLS

    EK-053S

    DISCONTINUED BY MANUFACTURER, LIQUID LINE FILTER DRYER, EXTRA KLEEN, 3/8IN ODF
    ✓ IN STOCK!
    Buy Surplus As Low As $29.34
    $29.34
    JOHNSON CONTROLS AS-UNT140-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT140-1

    DISCONTINUED BY MANUFACTURER, UNITARY CONTROL ASSEMBLY, POWER INPUT 24 VAC / 2 AMPS / CLASS 2, BINARY OUTPUT 24 VAC / 0.5 AMP / CLASS 2
    ✓ IN STOCK!
    Buy Surplus As Low As $435.69
    $435.69
    Repair Yours $369.12
    SIEMENS 544-110

    SIEMENS

    LANDIS & GYR

    544-110

    DISCONTINUED BY MANUFACTURER, PROCESSOR CARD, FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $174.31
    $174.31
    Repair Yours $300.00
    POWERS REGULATOR CO 134-1460

    POWERS REGULATOR CO

    134-1460

    PRESSURE ELECTRIC SWITCH, FIXED DIFFERENTIAL, SPDT, SNAP ACTING, 3-20PSIG SET PT RANGE, 2PSIG DIFFERENTIAL, 16AMP, 120V
    ✓ IN STOCK!
    $126.72 Buy Surplus As Low As $85.32
    $85.32
    JOHNSON CONTROLS FPC-101-601

    JOHNSON CONTROLS

    FPC-101-601

    CONTROLLER FIELD PROCESSING
    ✓ IN STOCK!
    Buy Surplus As Low As $371.38
    $371.38
    Repair Yours $300.00
    JOHNSON CONTROLS V47AB-5C

    JOHNSON CONTROLS

    PENN BASO

    V47AB-5C

    WATER MODULATING VALVE, TEMPERATURE ACTUATED, 1/2 INCH NOMINAL SIZE, FPT CONNECTION, 75 TO 135 DEG F CROSS AMBIENT TEMPERATURE, 2-WAY, 150 PSI
    ✓ IN STOCK!
    $768.00 Buy Surplus As Low As $456.47
    $456.47
    HONEYWELL Q601K-1003

    HONEYWELL

    Q601K-1003

    MOTORIZED VALVE LINK 1/2 50/60HZ 36AMP 27WT
    ✓ IN STOCK!
    Buy Surplus As Low As $42.90
    $42.90
    HONEYWELL Q267A-10041

    HONEYWELL

    Q267A-10041

    DISCONTINUED BY MANUFACTURER, JUNCTION BOX, CLASS 1 WIRING ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As $51.95
    $51.95
    SMC AMP220-N02B

    SMC

    AMP220-N02B

    EXHAUST CLEANER, AMP SERIES, 1/4 STANDARD BODY SIZE, 2-STAGE, NPT THREAD TYPE, 1/4 PORT SIZE, WITH BRACKET, CLEAN ROOM APPLICATION
    ✓ IN STOCK!
    $252.00 Buy Surplus As Low As $136.80
    $136.80
    Repair Yours $300.00
    SMC AMC610-N10

    SMC

    AMC610-N10

    AMC EXHAUST CLEANER, EFFECTIVE AREA MM2 165, MAX. AIR FLOWL/MIN 3, 5-80C, O.1MPA
    ✓ IN STOCK!
    $100.00 Buy Surplus As Low As $64.50
    $64.50
    Repair Yours $300.00
    SMC AMC320-03BD

    SMC

    AMC320-03BD

    AMC EXHAUST CLEANER, 3/8IN STANDARD PT, EXHAUST CLEANER 3/8 PT, MUFFLER
    ✓ IN STOCK!
    $50.00 Buy Surplus As Low As $18.56
    $18.56
    Repair Yours $300.00
    SMC AMC310-03BD

    SMC

    AMC310-03BD

    AMC EXHAUST CLEANER, 3/8" SIZE, MALE PT/RPT THREAD STYLE
    ✓ IN STOCK!
    $65.00 Buy Surplus As Low As $35.97
    $35.97
    Repair Yours $300.00
    SMC AMC220-02

    SMC

    AMC220-02

    AMC EXHAUST CLEANER, AMC 1/4INCH STANDARD (PT), EXHAUST CLEANER 1/4 PT, MUFFLER
    ✓ IN STOCK!
    $49.00 Buy Surplus As Low As $38.00
    $38.00
    Repair Yours $300.00
    EBM PAPST R2E175-AC91-05

    EBM PAPST

    R2E175-AC91-05

    BLOWER, 170MM, 400VAC; BLOWER TYPE:CENTRIFUGAL; SUPPLY VOLTAGE:400VAC; VOLTAGE TYPE:AC; FAN FRAME SIZE:175MM; EXTERNAL DEPTH:63MM; AIR FLOW - CFM:245CFM; AIR FLOW - M3/MIN:6.94M³/MIN; NOISE ...
    ✓ IN STOCK!
    $399.18 Buy Surplus As Low As $263.46
    $263.46
    Repair Yours $300.00
    EBM PAPST 3314

    EBM PAPST

    3314

    DISCONTINUED BY MANUFACTURER, AXIAL FAN, 3300 SERIES, 92 MM, 24 VDC, 47.1 CFM, 3000 RPM, 37 DBA, 2.6 WATT, WIRE LEADS, 92 X 92 X 32 MM, (POSSIBLE REPLACEMENT 3314NN)
    ✓ IN STOCK!
    Buy Surplus As Low As $50.78
    $50.78
    ALLEN BRADLEY 20A-RF-08-A1

    ALLEN BRADLEY

    20A-RF-08-A1

    DISCONTINUED BY MANUFACTURER 05/31/2012, EMC LINE FILTER, FILTER KIT, EMC, EXTERNAL, FOR POWERFLEX 70, 200-240 VAC, 8 AMP, SINGLE PHASE DRIVE, 1 OHM, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $169.00
    $169.00
    SIEMENS 544-120

    SIEMENS

    LANDIS & GYR

    544-120

    DISCONTINUED BY MANUFACTURER, I/O CARD, ANALOG, FOR POWERS SYSTEM 600 CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $220.77
    $220.77
    HONEYWELL XC-5010-B

    HONEYWELL

    XC-5010-B

    DISCONTINUED BY MANUFACTURER, COMPUTER MODULES, CARD DESIGN, INPUT POWER: 24 VAC, 47-63HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $465.64
    $465.64
    Repair Yours $390.39
    SLOAN VALVE CO V-651-A

    SLOAN VALVE CO

    V-651-A

    VACUUM BREAKER REPAIR KIT, HVAC ASSECCORY, HIGH BACK PRESSURE VACUUM BREAKER
    ✓ IN STOCK!
    $8.83 Buy Surplus As Low As $5.83
    $5.83
    SIEMENS 6ES7408-1TA01-0XA0

    SIEMENS

    6ES7408-1TA01-0XA0

    DISCONTINUED BY MANUFACTURER 10/01/2021, FAN MODULE, FOR RACK, 24 VDC, 18 SLOTS, REPLACEMENT FOR 6ES7408-1TA00-0XA0
    ✓ IN STOCK!
    Buy Surplus As Low As $1,248.50
    $1,248.50
    SIEMENS 6ES59810EA11

    SIEMENS

    6ES59810EA11

    FILTERS DUST S5-135/155 10 P/PK
    ✓ IN STOCK!
    $694.00 Buy Surplus As Low As $459.00
    $459.00
    RITTAL 3302300

    RITTAL

    3302300

    COOLING UNIT, TOPTHERM BLUE E, 0.32 KW MAX. OUTPUT, 1-PHASE, 230 V, 50/60 HZ, 1.7 A, WALL MOUNTED, SHEET STEEL MATERIAL, (SK 3302.300)
    ✓ IN STOCK!
    $3,746.00 Buy New $3,746.00
    $2,847.00
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