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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 1-50 of 849.
    NVENT HF1316414

    NVENT

    HOFFMAN ENCLOSURES

    HF1316414

    SIDE-MOUNT FILTER FAN, GRAY, CLICK-FIT DESIGN, SERVICE LIFE HOURS FROM 40,000 TO 100,000 HOURS, OPERATING TEMPERATURE RANGE OF -4 F/-20 C TO 149 F/65 C
    ✓ IN STOCK!
    $680.00 Buy Surplus As Low As $387.00
    $387.00
    ORIENTAL MOTOR MR18-DC

    ORIENTAL MOTOR

    MR18-DC

    FAN, SINGLE PHASE, 200 VAC, 50/60 HZ, 0.25/0.3 AMP, 2700/300 RPM, 39/52 W, 180X180X65 MM
    ✓ IN STOCK!
    $253.56 Buy Surplus As Low As $145.44
    $145.44
    INVENSYS MNL-5RS3

    INVENSYS

    BARBER COLMAN

    MNL-5RS3

    DISCONTINUED BY MANUFACTURER, CONTROLLER, MICRONET, I/A SERIES, 24VAC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $306.59
    $306.59
    Repair Yours $300.00
    SIEMENS LAE10

    SIEMENS

    LANDIS & GYR

    LAE10

    FLAME SAFEGUARD, 220V FSG RELAY, FOR OIL FLAME
    ✓ IN STOCK!
    $980.00 Buy Surplus As Low As $363.42
    $363.42
    Repair Yours $301.64
    JOHNSON CONTROLS Y20DAA-2

    JOHNSON CONTROLS

    Y20DAA-2

    DAMPER LINKAGE,TOP OF DUCT MT.
    ✓ IN STOCK!
    $85.00 Buy Surplus As Low As $51.00
    $51.00
    JOHNSON CONTROLS DX-9100-8991

    JOHNSON CONTROLS

    METASYS

    DX-9100-8991

    DISCONTINUED BY MANUFACTURER, WIRING PROTECTION KIT, METASYS DX
    ✓ IN STOCK!
    Buy Surplus As Low As $8.04
    $8.04
    SIEMENS 091-60210-44

    SIEMENS

    STAEFA CONTROL SYS

    091-60210-44

    DISCONTINUED BY MANUFACTURER, CONTROLLER, SMART 2, HEAT PUMP, 4 IN, 6 DO
    ✓ IN STOCK!
    Buy Surplus As Low As $1,103.24
    $1,103.24
    Repair Yours $963.88
    JOHNSON CONTROLS TE-6001-11

    JOHNSON CONTROLS

    TE-6001-11

    DUCT TEMPERATURE ELEMENT HOLDER, USED WITH TE-6000 SENSORS, ALUMINUM SUPPORT
    ✓ IN STOCK!
    $47.70 Buy Surplus As Low As $36.14
    $36.14
    EATON CORPORATION 737394

    EATON CORPORATION

    VICKERS

    737394

    FILTER ELEMENT KIT
    ✓ IN STOCK!
    $87.03 Buy Surplus As Low As $48.58
    $48.58
    SLOAN VALVE CO B-50-A

    SLOAN VALVE CO

    B-50-A

    HANDLE REPAIR KIT, FLUSH, FOR B-32-A HANDLE ASSEMBLY
    ✓ IN STOCK!
    $8.56 Buy Surplus As Low As $4.07
    $4.07
    PARKER PSG-4MF

    PARKER

    REFRIGERATION DIVISION

    PSG-4MF

    DISCONTINUED BY MANUFACTURER, PSG-4MF, MOISTURE INDICATOR, FLARE TYPE, SIZE 1/2M X 1/2F, SIGHT GLASS, MOISTURE INDICATOR, SOLID COPPER EXTENDED ENDS, 650PSIG
    ✓ IN STOCK!
    Buy Surplus As Low As $15.89
    $15.89
    INGERSOLL RAND 32012957

    INGERSOLL RAND

    ARO

    32012957

    DISCONTINUED BY MANUFACTURER, AIR FILTER ELEMENT, PNEUMATIC, 10 MICRON, FOR AIR COMPRESSOR, 3 IN ID, 4-3/8 IN OD, 4-1/2 IN HEIGHT
    ✓ IN STOCK!
    Buy Surplus As Low As $72.10
    $72.10
    HONEYWELL M9185A1018

    HONEYWELL

    M9185A1018

    AC MOTOR, MODUTROL IV, PROPORTIONAL CONTROL, 24 VAC, 50/60 HZ, 135 OHM CONTROL, 60 LB-IN, SPRING RETURN, 30-60 SEC NOMINAL, QUICK CONNECT, 90-160 DEG STROKE, FOOT MOUNT, CW ROTATION, NEMA 3
    ✓ IN STOCK!
    $2,022.00 Buy Surplus As Low As $1,299.53
    $1,299.53
    Repair Yours $790.00
    HONEYWELL R7044B1016-3

    HONEYWELL

    R7044B1016-3

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, DELTANET, EXCEL PLUS, HVAC, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,046.23
    $1,046.23
    Repair Yours $860.54
    HONEYWELL M4185B1009

    HONEYWELL

    M4185B1009

    HVAC ACTUATOR, MODUTROL IV MOTOR, SERIES 41, LINE VOLTAGE, 2 POSITION CONTROL, 120 VAC, 60 LB-IN, NORMALLY CLOSED, SPRING RETURN, DUAL-ENDED SHAFT, 1 AUX SWITCH
    ✓ IN STOCK!
    $1,605.68 Buy Surplus As Low As $963.41
    $963.41
    Repair Yours $946.00
    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
    HONEYWELL RP920B-1031

    HONEYWELL

    RP920B-1031

    PROPORTIONAL PNEUMATIC CONTROLLER, 17-30 PSI OPERATING PRESSURE, 3-15 PSI DUAL INPUT SIGNAL, 40-130 F TEMPERATURE RATING
    ✓ IN STOCK!
    $1,359.00 Buy Surplus As Low As $439.81
    $439.81
    Repair Yours $300.00
    HONEYWELL RM7895C1020

    HONEYWELL

    RM7895C1020

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERRUPTED PILOT TYPE, DELAYED MAIN VALVE, SPECIAL SEQUENCE EARLY SPARK TERMINATION, SELECTABLE INTERLOCKS, 10 SECOND MAIN FLAME ESTABLISHING ...
    ✓ IN STOCK!
    $1,897.28 Buy Surplus As Low As $1,138.37
    $1,138.37
    Repair Yours $690.00
    HONEYWELL RM7885A1015

    HONEYWELL

    RM7885A1015

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, MANUAL START INDUSTRIAL PRIMARY CONTROL, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 15 MINUTE PILOT FLA ...
    ✓ IN STOCK!
    $990.22 Buy Surplus As Low As $653.55
    $653.55
    Repair Yours $390.00
    HONEYWELL ML8195A-1007

    HONEYWELL

    ML8195A-1007

    DISCONTINUED BY MANUFACTURER, ACTUATOR, 24VAC, 50/60HZ, 142LB-IN TORQUE
    ✓ IN STOCK!
    Buy Surplus As Low As $355.18
    $355.18
    Repair Yours $300.00
    HONEYWELL ML8185D1005

    HONEYWELL

    ML8185D1005

    DISCONTINUED BY MANUFACTURER, DIRECT COUPLED ACTUATOR, SPRING RETURN, 24 VAC, 50/60 HZ, 12 VA, CLASS 2, 50 LB-IN, REPLACED BY MS8110A1008
    ✓ IN STOCK!
    Buy Surplus As Low As $218.54
    $218.54
    Repair Yours $300.00
    HONEYWELL M6184D-1035

    HONEYWELL

    M6184D-1035

    DAMPER ACTUATOR, M61 SERIES, FLOATING CONTROL SIGNAL, 24 VAC SUPPLY, 50/60HZ, 90-160 DEGREE ROTATIONAL STROKE, 3/8 INCH SHAFT SIZE
    ✓ IN STOCK!
    $1,341.00 Buy Surplus As Low As $751.91
    $751.91
    Repair Yours $550.00
    HONEYWELL XL100CU

    HONEYWELL

    XL100CU

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, EXCEL 100C, C-BUS COMMUNICATION, UP TO 30 DEVICES, MODEM / ISDN / GSM, 12 UNIVERSAL INPUTS, 12 DIGITAL INPUTS, 12 UNIVERSAL OUTPUTS, LED INDICA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $3,014.81
    $3,014.81
    Repair Yours $2,400.00
    JOHNSON CONTROLS V47AC-8

    JOHNSON CONTROLS

    V47AC-8

    VALVE, V47 SERIES, 3/4" NPT, 75 TO 135 DEGREES F HEATING POINT RANGE, CAST BRASS DIRECT ACTING TEMPERATURE ACTUATED WATER REGULATING VALVE WITH 6' CAPILLARY
    ✓ IN STOCK!
    $755.72 Buy Surplus As Low As $453.43
    $453.43
    Repair Yours $374.00
    ALLEN BRADLEY 837-N16

    ALLEN BRADLEY

    837-N16

    TYPE 316 STAINLESS STEEL, DIRECT IMMERSION, 3-1/2 IN. (89MM) THERMOSTAT WELL
    ✓ IN STOCK!
    Buy Surplus As Low As $381.60
    $381.60
    Repair Yours $300.00
    ASEA BROWN BOVERI P-HA-RPS-FAN03000

    ASEA BROWN BOVERI

    BAILEY CONTROLS

    P-HA-RPS-FAN03000

    DISCONTINUED BY MANUFACTURER, MONITORING AND COOLING SYSTEM, SYMPHONY HARMONY SERIES, 102-265 VAC OR 102-144 VDC, 12.5 A, 47-63 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $675.00
    $675.00
    Repair Yours $643.00
    HONEYWELL 445100

    HONEYWELL

    LEEDS & NORTHRUP

    445100

    DISCONTINUED BY MANUFACTURER, OUTPUT BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $101.72
    $101.72
    Repair Yours $300.00
    HONEYWELL RM7840L1018

    HONEYWELL

    RM7840L1018

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, WITH VALVE PROVING, DUST COVER, 5 SECOND EARLY SPARK TERMINATION, 120 VAC, 50/60 HZ, REPLACES RM7840L1042
    ✓ IN STOCK!
    $4,279.00 Buy Surplus As Low As $2,824.14
    $2,824.14
    Repair Yours $990.00
    HONEYWELL RM7800G1018

    HONEYWELL

    RM7800G1018

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, RUNNING, LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $5,296.49 Buy Surplus As Low As $3,177.89
    $3,177.89
    Repair Yours $1,650.00
    HONEYWELL 51400646-100

    HONEYWELL

    MEASUREX

    51400646-100

    DISCONTINUED BY MANUFACTURER, FAN ASSEMBLY, DUAL FAN, FOR 5 SLOT CHASSIS
    ✓ IN STOCK!
    Buy Surplus As Low As $177.74
    $177.74
    Repair Yours $300.00
    JOHNSON CONTROLS T-5800-3

    JOHNSON CONTROLS

    T-5800-3

    PNEUMATIC RECEIVER CONTROLLER, DUAL INPUT, PROPORTIONAL, DIRECT OR REVERSE ACTING WITH DIRECT OR REVERSE READJUSTMENT ( FIELD SELECTABLE ), GAIN: ADJUSTABLE FROM 0.5:1 TO 15:1 ( FACTORY SET ...
    ✓ IN STOCK!
    $2,330.00 Buy Surplus As Low As $1,398.00
    $1,398.00
    Repair Yours $1,318.00
    HONEYWELL RM7895D1011

    HONEYWELL

    RM7895D1011

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERRUPTED PILOT TYPE, DELAYED MAIN VALVE, DYNAMIC AIRFLOW CHECK, SELECTABLE INTERLOCKS, 10 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SE ...
    ✓ IN STOCK!
    $1,314.49 Buy Surplus As Low As $792.86
    $792.86
    Repair Yours $654.61
    HONEYWELL RM7895C1012

    HONEYWELL

    RM7895C1012

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PREPURGE, INTERRUPTED PILOT, 10 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, DELAYED MAIN VALVE, SEL ...
    ✓ IN STOCK!
    $1,445.00 Buy Surplus As Low As $867.00
    $867.00
    Repair Yours $650.00
    HAMMOND MANUFACTURING DNFG

    HAMMOND MANUFACTURING

    DNFG

    FAN FINGER GUARD, STEEL, FOR USE WITH HAMMOND C2 SERIES 4 FANS, FAN FRAME SIZE:120MM, GUARD MATERIAL:STEEL
    ✓ IN STOCK!
    $17.00 Buy Surplus As Low As $7.90
    $7.90
    SOURCE 1 031-01267-001A

    SOURCE 1

    031-01267-001A

    DISCONTINUED BY MANUFACTURER, PC BOARD , CONTROL BOARD HVAC, YORK COLEMAN P031-01267-001 FURNACE CONTROL CIRCUIT BOARD SOURCE1 031-01267-001A =031-01267-001, DISCONTINUED JUL 09, 2021
    ✓ IN STOCK!
    Buy Surplus As Low As $144.29
    $144.29
    Repair Yours $300.00
    SIEMENS PTM6.2Q250-M

    SIEMENS

    LANDIS & GYR

    PTM6.2Q250-M

    DISCONTINUED BY MANUFACTURER, POINT TERMINATION MODULE, 2 POINT, DIGITAL, CONTACT CLOSURE, 240 VAC, 4A, LED INDICATION (ON/OFF), SUPERVISED HAND-OFF-AUTO SWITCH
    ✓ IN STOCK!
    Buy Surplus As Low As $218.88
    $218.88
    Repair Yours $300.00
    MILLIPORE KTGR04TC3

    MILLIPORE

    KTGR04TC3

    STERILIZING-GRADE AERVENT FILTERS, CAPSULE DISPOSABLE CARTRIDGE, PORE SIZE 0.2 M HYDROPHOBIC, MAX OPERATING PRESSURE 80 PSIG AT 25 C, SANITARY FLANGE INLET, SANITARY FLANGE OUTLET
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $110.20
    $110.20
    HONEYWELL M7284Q1009

    HONEYWELL

    M7284Q1009

    ACTUATOR, MODUTROL IV MOTOR, NON-SPRING RETURN, FOOT MOUNTED, 4-20 MA MODULATING CONTROL SIGNAL, 90 DEGREE STROKE, 30-60 SECONDS TIMING, 17 NM / 150 LB-IN TORQUE RATING, 29 VA, 120 VAC, 50/6 ...
    ✓ IN STOCK!
    $1,814.00 Buy Surplus As Low As $1,177.05
    $1,177.05
    Repair Yours $490.00
    HONEYWELL HC26A1008

    HONEYWELL

    RESIDEO

    HC26A1008

    HUMIDIFIER PAD, HUMIDIFIER FILTER, WATER PAD, FOR HE260 / HE360, 10 X 13 X 1.6 "
    ✓ IN STOCK!
    $24.92 Buy Surplus As Low As $18.94
    $18.94
    HONEYWELL RA890F1338

    HONEYWELL

    RA890F1338

    DISCONTINUED BY MANUFACTURER, PROTECTOR RELAY, FLAME SAFETY, FLAME CONTROL, 120 VAC, 50/60 HZ, 30 SEC / 0.8 SEC
    ✓ IN STOCK!
    $3,814.20 Buy Surplus As Low As $2,671.49
    $2,671.49
    Repair Yours $990.00
    HONEYWELL RA890F 1304

    HONEYWELL

    RA890F 1304

    DISCONTINUED BY MANUFACTURER, FLAME PROTECTION RELAY, FLAME SAFETY, 220 VAC, 15 SEC SAFETY SWITCH TIME, 0.8 SEC FLAME FAILURE RESPONSE TIME
    ✓ IN STOCK!
    Buy Surplus As Low As $803.24
    $803.24
    Repair Yours $540.01
    HONEYWELL RA890F-1247-3

    HONEYWELL

    RA890F-1247-3

    DISCONTINUED BY MANUFACTURER, FLAME PROTECTOR RELAY, SAFTEY, RESPONSE 3 SECONDS, 120V
    ✓ IN STOCK!
    Buy Surplus As Low As $993.49
    $993.49
    Repair Yours $785.00
    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
    HAMMOND MANUFACTURING SHG14008

    HAMMOND MANUFACTURING

    SHG14008

    CABINET HEATER, 150W, 250V; VOLTAGE RATING VAC:250V; OUTPUT POWER:150W; EXTERNAL HEIGHT - METRIC:249.9MM; EXTERNAL WIDTH - METRIC:70MM; EXTERNAL DEPTH - METRIC:50MM; EXTERNAL HEIGHT - IMPERI ...
    ✓ IN STOCK!
    $535.83 Buy Surplus As Low As $321.50
    $321.50
    HAMMOND MANUFACTURING FAN80AC115

    HAMMOND MANUFACTURING

    FAN80AC115

    AXIAL FAN, 80MM, 115VAC; NOMINAL RATED VOLTAGE AC:115V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:80MM; EXTERNAL DEPTH:38MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:32CFM; NOISE RATING:34DBA; ...
    ✓ IN STOCK!
    $63.00 Buy Surplus As Low As $48.00
    $48.00
    PFANNENBERG 11020152050

    PFANNENBERG

    11020152050

    DISCONTINUED BY MANUFACTURER, FILTER FAN, 115 VAC, 60 HZ, 11 W, BLACK GRILL, IP43 / NEMA1, PF1000
    ✓ IN STOCK!
    Buy Surplus As Low As $259.91
    $259.91
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