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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 151-200 of 849.
    SMC AMC-EL8

    SMC

    AMC-EL8

    AMC EXHAUST CLEANER, AMC NO SIZE RATING PARTS, ELEMENT ASSY
    ✓ IN STOCK!
    $109.00 Buy Surplus As Low As $83.00
    $83.00
    Repair Yours $300.00
    EBM PAPST QG030-148/14

    EBM PAPST

    QG030-148/14

    DC CROSS FLOW BLOWER, 30 X 50 MM, 24 VDC, 44 CFM / 1.246 CU. M/MIN AIR FLOW, 49 DBA NOISE RATING, 6.2 W POWER RATING
    ✓ IN STOCK!
    $98.00 Buy Surplus As Low As $67.00
    $67.00
    Repair Yours $300.00
    HONEYWELL XD-505A

    HONEYWELL

    XD-505A

    DISCONTINUED BY MANUFACTURER, SUB-MODULE RETROFIT KIT, C-BUS INTERFACE, HVAC COMMUNICATION, 10KBIT, 9600 BAUD, FOR EXCEL 5000 CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,413.68
    $1,413.68
    Repair Yours $1,303.72
    LUBE CORP 259304

    LUBE CORP

    259304

    FILTER, 40U, PRESSURE 1 MPA MAX, TYPE FX-1
    ✓ IN STOCK!
    $197.86 Buy Surplus As Low As $57.57
    $57.57
    SIEMENS 6SY7000-0AD05

    SIEMENS

    6SY7000-0AD05

    DISCONTINUED BY MANUFACTURER: 04/21/2024, RADIAL FAN, WITH CAPACITOR, MOUNTED ONLY FOR DESIGN K, SUCCESSOR: 6SY7000-0AH87
    ✓ IN STOCK!
    Buy Surplus As Low As $10,865.00
    $10,865.00
    Repair Yours $9,017.95
    SIEMENS 6GT2305-0CA00

    SIEMENS

    6GT2305-0CA00

    DISCONTINUED BY MANUFACTURER, INTERFACE MODULE, SIM 72, MOBY E SERIES, W/ INTEGRATED ANTENNA READ/WRITE DEVICE, RS-232/422 CONNECTION, 100 MM LIMIT DISTANCE, -25 TO +70 DEGREES C, IP65
    ✓ IN STOCK!
    Buy Surplus As Low As $8,789.15
    $8,789.15
    UNITED TECHNOLOGIES 32GB501074

    UNITED TECHNOLOGIES

    CARRIER

    32GB501074

    PROCESSOR BOARD, HVAC BOARD, RESISTIVE NETWORK, 30 GT CHILLER
    ✓ IN STOCK!
    $6,045.00 Buy Surplus As Low As $3,467.50
    $3,467.50
    Repair Yours $2,190.00
    UNITED TECHNOLOGIES 15SH2

    UNITED TECHNOLOGIES

    CARRIER

    15SH2

    SWITCH ELECRIC HEAT SEQUENCER
    ✓ IN STOCK!
    Buy Surplus As Low As $42.08
    $42.08
    HONEYWELL ML8465A-1004

    HONEYWELL

    ML8465A-1004

    ACTUATOR DAMPER 105LB-IN TORQUE
    ✓ IN STOCK!
    Buy Surplus As Low As $568.45
    $568.45
    Repair Yours $446.98
    HONEYWELL 121610

    HONEYWELL

    121610

    HW MAGNIFYING LENS
    ✓ IN STOCK!
    $59.00 Buy Surplus As Low As $35.00
    $35.00
    HONEYWELL M944A1010

    HONEYWELL

    M944A1010

    DISCONTINUED BY MANUFACTURER, ACTUATOR MOTOR .88 AMP, 24 VAC, 20W 160 DEG, 60 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $535.75
    $535.75
    Repair Yours $400.00
    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 $49.64
    $49.64
    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
    TELEDYNE 2400-024

    TELEDYNE

    LAARS

    2400-024

    HI LIMIT 215F
    ✓ IN STOCK!
    $186.00 Buy Surplus As Low As $142.00
    $142.00
    SIEMENS 544-110

    SIEMENS

    LANDIS & GYR

    544-110

    DISCONTINUED BY MANUFACTURER, PROCESSOR CARD, FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $527.74
    $527.74
    Repair Yours $460.04
    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 $95.04
    $95.04
    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!
    $760.78 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 $121.87
    $121.87
    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
    HONEYWELL HP970B1015

    HONEYWELL

    HP970B1015

    REVERSE ACTING, PNEUMATIC HUMIDISTAT, 45/125 DEGREE MAXIMUM OPERATING TEMPERATURE, 25 PSI MAXIMUM OPERATING PRESSURE, 2 PIPE SINGLE SETPOINT, VERTICAL OR HORIZONTAL MOUNTING, 3/15% RH THROTT ...
    ✓ IN STOCK!
    $1,472.00 Buy Surplus As Low As $1,119.00
    $1,119.00
    HONEYWELL XF522-A

    HONEYWELL

    XF522-A

    DISCONTINUED BY MANUFACTURER, ANALOG OUTPUT MODULE, 11VDC, 1MA
    ✓ IN STOCK!
    Buy Surplus As Low As $3,120.90
    $3,120.90
    Repair Yours $2,500.00
    HONEYWELL XF521-A

    HONEYWELL

    XF521-A

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, ANALOG, 20 AMP MAX, 10 VDC, 8 POINT
    ✓ IN STOCK!
    Buy Surplus As Low As $227.51
    $227.51
    Repair Yours $300.00
    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 $97.73
    $97.73
    Repair Yours $300.00
    EATON CORPORATION CP01037

    EATON CORPORATION

    CUTLER HAMMER

    CP01037

    FAN UNIT SV9000
    ✓ IN STOCK!
    $2,104.47 Buy Surplus As Low As $842.40
    $842.40
    Repair Yours $622.65
    JOHNSON CONTROLS AS-UNT-111-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT-111-1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, UNITARY, LOW AMBIENT TEMPERATURE, 32-140 DEGREES F, 2 AMP, 24 VAC, 6 BINARY OUTPUT, 2 ANALOG OUTPUT, SPADE QUICK CONNECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $797.18
    $797.18
    Repair Yours $480.00
    SIEMENS 6ES59810FA41

    SIEMENS

    6ES59810FA41

    SIMATIC S5 DUST FILTER HOLDER
    ✓ IN STOCK!
    Buy Surplus As Low As $635.00
    $635.00
    SMC AMG-EL650

    SMC

    AMG-EL650

    WATER SEPARATOR, AMBIENT DRYER, REMOVES WATER VAPOR FROM AIR FLOW
    ✓ IN STOCK!
    $140.00 Buy Surplus As Low As $107.00
    $107.00
    SMC AMP420-N04B

    SMC

    AMP420-N04B

    EXHAUST CLEANER, AMP SERIES, 1/2 STANDARD BODY SIZE, 2-STAGE, NPT THREAD TYPE, 1/2 PORT SIZE, WITH BRACKET, CLEAN ROOM APPLICATION
    ✓ IN STOCK!
    $431.00 Buy Surplus As Low As $328.00
    $328.00
    Repair Yours $300.00
    SMC AMP320-N03

    SMC

    AMP320-N03

    EXHAUST CLEANER, AMP SERIES, 3/8 STANDARD BODY SIZE, 2-STAGE, NPT THREAD TYPE, 3/8 PORT SIZE, CLEAN ROOM APPLICATION
    ✓ IN STOCK!
    $260.00 Buy Surplus As Low As $172.00
    $172.00
    Repair Yours $300.00
    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 $76.00
    $76.00
    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 $36.10
    $36.10
    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 RL90-18/00

    EBM PAPST

    RL90-18/00

    AC FLAT PACK BLOWER, 121 X 37MM, 115V; BLOWER TYPE:FLATPAK; SUPPLY VOLTAGE:115VAC; VOLTAGE TYPE:AC; FAN FRAME SIZE:121MM; EXTERNAL DEPTH:37MM; AIR FLOW - CFM:24.7CFM; AIR FLOW - M3/MIN:0.7M³ ...
    ✓ IN STOCK!
    $82.50 Buy Surplus As Low As $49.50
    $49.50
    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!
    $332.65 Buy Surplus As Low As $219.55
    $219.55
    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 544-381

    SIEMENS

    LANDIS & GYR

    544-381

    BACKPLANE BOARD FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $596.46
    $596.46
    Repair Yours $550.07
    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
    HONEYWELL Q605F1018

    HONEYWELL

    Q605F1018

    DISCONTINUED BY MANUFACTURER, BRACKET/LINKAGE ASSEMBLY, FOR EXT.DUCT MOUNT, REPLACED BY Q605H1024
    ✓ IN STOCK!
    Buy Surplus As Low As $72.60
    $72.60
    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!
    $8.06 Buy Surplus As Low As $5.64
    $5.64
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