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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 51-100 of 849.
    HONEYWELL MP953C-1026

    HONEYWELL

    MP953C-1026

    PNEUMATIC VALVE ACTUATOR, 5 IN DIAMETER, DIRECT ACTING, 3/4 IN STROKE, 4-11 PSI SPRING RANGE, NORMAL STEM UP
    ✓ IN STOCK!
    $321.19 Buy Surplus As Low As $192.71
    $192.71
    Repair Yours $300.00
    HONEYWELL 0901787A

    HONEYWELL

    0901787A

    REPACK KIT, FOR N-VALVES, 1 1/2"-3" VALVE SIZES, INCLUDES:, PACKING NUT, 4 PACKING WAFERS, WASHER, SPRING, O-RING
    ✓ IN STOCK!
    $121.21 Buy Surplus As Low As $92.12
    $92.12
    3M 960

    3M

    960

    AIR IONIZER; IONIZER TYPE:BENCHTOP; SUPPLY VOLTAGE VAC:24V; PRODUCT RANGE:-; DEPTH:5.1CM; EXTERNAL DEPTH:2; EXTERNAL HEIGHT:4.5; EXTERNAL WIDTH:3.3; HEIGHT:11.5CM; SUPPLY VOLTAGE:24V; WIDTH: ...
    ✓ IN STOCK!
    $704.00 Buy Surplus As Low As $423.00
    $423.00
    JOHNSON CONTROLS XP-9102-8304

    JOHNSON CONTROLS

    METASYS

    XP-9102-8304

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, 6 ANALOG INPUTS, 2 ANALOG OUTPUTS, 24 VAC, 50/60 HZ, 3 VA, P/N: XP 9102
    ✓ IN STOCK!
    Buy Surplus As Low As $584.60
    $584.60
    Repair Yours $560.00
    JOHNSON CONTROLS W43A-14

    JOHNSON CONTROLS

    PENN BASO

    W43A-14

    HUMIDISTAT, 0/70% RH SPDT, LOW LINE VOLTAGE, HORIZONTAL OR VERTICAL MTG
    ✓ IN STOCK!
    $308.78 Buy Surplus As Low As $234.68
    $234.68
    JOHNSON CONTROLS DX-9100-8454

    JOHNSON CONTROLS

    METASYS

    DX-9100-8454

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, PLANT, EXTENDED, DIGITAL, 24 VAC, 14 OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,118.99
    $1,118.99
    Repair Yours $790.00
    HONEYWELL RM7888A1027

    HONEYWELL

    RM7888A1027

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, 15 SECOND MAIN FLAME ESTABLISHING PERIOD, 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,951.57 Buy Surplus As Low As $2,370.94
    $2,370.94
    Repair Yours $1,095.00
    HONEYWELL RM7888A1019

    HONEYWELL

    RM7888A1019

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, 15 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,746.65 Buy Surplus As Low As $2,247.99
    $2,247.99
    Repair Yours $1,387.00
    HONEYWELL RM7838C1004

    HONEYWELL

    RM7838C1004

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SEMI AUTOMATIC PROGRAMMING CONTROL, KEYBOARD DISPLAY MODULE, LOCKOUT INTERLOCKS, PRE-IGNTION, 10 SECOND MAIN FLAME ESTABLISHING PERIOD INTERMI ...
    ✓ IN STOCK!
    $2,687.29 Buy Surplus As Low As $1,612.37
    $1,612.37
    Repair Yours $990.00
    HONEYWELL RM7824A1006

    HONEYWELL

    RM7824A1006

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $669.73
    HONEYWELL ML6984A1006

    HONEYWELL

    ML6984A1006

    DISCONTINUED BY MANUFACTURER, D-COUPLED VALVE ACTUATOR, 24VAC, 28VDC, 6VA, 7ION
    ✓ IN STOCK!
    Buy Surplus As Low As $311.08
    $311.08
    Repair Yours $300.00
    HONEYWELL M9184C1031

    HONEYWELL

    M9184C1031

    DAMPER ACTUATOR, MODUTROL IV, 90-160DEG STROKE, 24V, 50/60HZ,150LB IN TORQUE, DUAL ENDED SHAFT, NON-SPRING RETURN, TIME 30/60SEC
    ✓ IN STOCK!
    $2,423.99 Buy Surplus As Low As $1,454.40
    $1,454.40
    Repair Yours $909.00
    HONEYWELL M7284A1012

    HONEYWELL

    M7284A1012

    ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 160 DEGREE STROKE, 30-60 SECONDS TIMING, 17 NM / 150 LB-IN TORQUE RATING, 15 VA, 120 VAC, 50/ ...
    ✓ IN STOCK!
    $1,698.00 Buy Surplus As Low As $643.73
    $643.73
    Repair Yours $534.30
    HONEYWELL 14507287-003

    HONEYWELL

    14507287-003

    DISCONTINUED BY MANUFACTURER, POWER SUPPLY, EXTENDED, 120 VAC INPUT, 50VA CONTOLLER TRANSF + 100VA & 24VDC ACCESS TRANSF W/ CONV OUTLET & BREAKER
    ✓ IN STOCK!
    Buy Surplus As Low As $2,100.00
    $2,100.00
    Repair Yours $1,743.00
    HONEYWELL 84-20103-301

    HONEYWELL

    84-20103-301

    DISCONTINUED BY MANUFACTURER, RELAY, 24VAC, 50/60HZ , RELAY 250VAC 8FLA 18LRA COIL 24 VDC 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $54.34
    $54.34
    HONEYWELL XH561

    HONEYWELL

    XH561

    DISCONTINUED BY MANUFACTURER, MODULE HOUSING, XL600, 500 UNIVERSAL, INPUT/OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $99.32
    $99.32
    HONEYWELL W973A-1017

    HONEYWELL

    W973A-1017

    DISCONTINUED BY MANUFACTURER,LOGIC PANEL, SINGLE ZONE, 2 HEAT , 2 COOL , 24 VDC , 8 VA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,623.19
    $1,623.19
    Repair Yours $1,445.00
    AUBURN I-31

    AUBURN

    I-31

    DISCONTINUED BY MANUFACTURER, IGNITOR, SERIES NICKEL ELECTRODE, SEE REPLACEMENT E5-I-31
    ✓ IN STOCK!
    Buy Surplus As Low As $35.02
    $35.02
    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
    SIEMENS 6SY7000-0AB28

    SIEMENS

    6SY7000-0AB28

    DISCONTINUED BY MANUFACTURER 9/30/2020, RADIAL VENTILATION UNIT, 0.3 AMP, 230 VAC, 50/60 HZ, 75 W, USE WITH SIMOVERT MASTER DRIVE
    ✓ IN STOCK!
    Buy Surplus As Low As $940.68
    $940.68
    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 $5,400.00
    $5,400.00
    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
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