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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 authorised 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 authorised dealers. Because Radwell is not an authorised 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 427.
    HONEYWELL XH561

    HONEYWELL

    XH561

    DISCONTINUED BY MANUFACTURER, MODULE HOUSING, XL600, 500 UNIVERSAL, INPUT/OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As £202.43 Price with VAT: £242.92
    £202.43 Price with VAT: £242.92
    HONEYWELL R7044B1016-3

    HONEYWELL

    R7044B1016-3

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, DELTANET, EXCEL PLUS, HVAC, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As £712.11 Price with VAT: £854.53
    £712.11 Price with VAT: £854.53
    Repair Yours £662.83 Price with VAT: £795.40
    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!
    £1,902.16 Price with VAT: £2,282.59 Buy Surplus As Low As £1,164.18 Price with VAT: £1,397.02
    £1,164.18 Price with VAT: £1,397.02
    Repair Yours £1,015.19 Price with VAT: £1,218.23
    HONEYWELL 392431

    HONEYWELL

    RESIDEO

    392431

    PILOT HARDWARE IGNITER KIT, FOR Y8, IGNITER AND FLAMES SENSOR
    ✓ IN STOCK!
    £102.13 Price with VAT: £122.56 Buy Surplus As Low As £67.40 Price with VAT: £80.88
    £67.40 Price with VAT: £80.88
    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 £175.18 Price with VAT: £210.22
    £175.18 Price with VAT: £210.22
    Repair Yours £165.54 Price with VAT: £198.65
    HONEYWELL ML7984A-3001

    HONEYWELL

    ML7984A-3001

    DISCONTINUED BY MANUFACTURER, VALVE ACTUATORD COUPLED, DIR/REV ACTING STROKE, 24VAC/28VDC, 0-55C, 19MM/3/4IN
    ✓ IN STOCK!
    Buy Surplus As Low As £541.22 Price with VAT: £649.46
    £541.22 Price with VAT: £649.46
    Repair Yours £499.13 Price with VAT: £598.96
    JOHNSON CONTROLS T-4002-124

    JOHNSON CONTROLS

    T-4002-124

    MOUNTING BRACKET KIT, SURFACE MOUNT, USE WITH T-4000 SERIES THERMOSTATS AND COVERS
    ✓ IN STOCK!
    £22.25 Price with VAT: £26.70 Buy Surplus As Low As £13.50 Price with VAT: £16.20
    £13.50 Price with VAT: £16.20
    SIEMENS LFL1.635

    SIEMENS

    LANDIS & GYR

    LFL1.635

    GAS BURNER CONTROL, W/OUT PLUG-IN BASE, TS MAX = 2.5 S (5S) 5S, 220-240 VAC, 50-60 HZ, 3.5 VA, 60 SEC PURGE
    ✓ IN STOCK!
    £741.00 Price with VAT: £889.20 Buy Surplus As Low As £407.70 Price with VAT: £489.24
    £407.70 Price with VAT: £489.24
    Repair Yours £394.80 Price with VAT: £473.76
    SMC AMG650-N10D

    SMC

    AMG650-N10D

    AMG AMBIENT DRYER, AMG 1 INCH STANDARD (PT), DRYER, AMBIENT, NEW STYLE
    ✓ IN STOCK!
    £242.13 Price with VAT: £290.56 Buy Surplus As Low As £125.33 Price with VAT: £150.39
    £125.33 Price with VAT: £150.39
    AUBURN E5-FRS-4-6

    AUBURN

    E5-FRS-4-6

    FLAME ROD, 6 INCH, 1/4 INCH, NPT, MTG, REPLACES 13093, REPLACES FRS-4-6
    ✓ IN STOCK!
    £74.65 Price with VAT: £89.58 Buy Surplus As Low As £39.77 Price with VAT: £47.72
    £39.77 Price with VAT: £47.72
    SMC AMC520-04

    SMC

    AMC520-04

    AMC EXHAUST CLEANER, AMC 1/2INCH STANDARD (PT), EXHAUST CLEANER
    ✓ IN STOCK!
    £45.36 Price with VAT: £54.43 Buy Surplus As Low As £28.52 Price with VAT: £34.22
    £28.52 Price with VAT: £34.22
    Repair Yours Contact Us
    HONEYWELL XF529

    HONEYWELL

    XF529

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, WITHOUT OVERRIDE SWITCHES, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As £420.24 Price with VAT: £504.29
    £420.24 Price with VAT: £504.29
    Repair Yours £348.80 Price with VAT: £418.56
    HONEYWELL LP914A-1052

    HONEYWELL

    LP914A-1052

    TEMPERATURE SENSOR, 6-1/2 INCH LONG, 40-240DEG F
    ✓ IN STOCK!
    £618.61 Price with VAT: £742.34 Buy Surplus As Low As £371.17 Price with VAT: £445.40
    £371.17 Price with VAT: £445.40
    HONEYWELL Q473B-2005

    HONEYWELL

    Q473B-2005

    DISCONTINUED BY MANUFACTURER, SWITCHING SUB-BASE, AUTO OFF, FOR T451A2XXX THERMOSTAT
    ✓ IN STOCK!
    Buy Surplus As Low As £10.63 Price with VAT: £12.75
    £10.63 Price with VAT: £12.75
    JOHNSON CONTROLS D-9502-8

    JOHNSON CONTROLS

    D-9502-8

    POSITIONER KIT, PNEUMATIC, PROPORTIONAL PILOT, 2-12 PSI
    ✓ IN STOCK!
    £468.07 Price with VAT: £561.68 Buy Surplus As Low As £308.92 Price with VAT: £370.70
    £308.92 Price with VAT: £370.70
    Repair Yours £200.00 Price with VAT: £240.00
    SIEMENS 091-60230-82

    SIEMENS

    STAEFA CONTROL SYS

    091-60230-82

    STAEFA CONTROL SYS, SIEMENS, 091-60230-82, PC BOARD SMART2PLUS FAN COIL
    ✓ IN STOCK!
    Buy Surplus As Low As £583.63 Price with VAT: £700.36
    £583.63 Price with VAT: £700.36
    Repair Yours £508.63 Price with VAT: £610.36
    HONEYWELL XL100B

    HONEYWELL

    XL100B

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE CONTROLLER, 24VAC, 40/60HZ, 18W
    ✓ IN STOCK!
    Buy Surplus As Low As £2,424.42 Price with VAT: £2,909.30
    £2,424.42 Price with VAT: £2,909.30
    Repair Yours £2,012.27 Price with VAT: £2,414.72
    PROTECTION CONTROLS 6642-VT

    PROTECTION CONTROLS

    PROTECTOFIER

    6642-VT

    BURNER CONTROL, TIMOFIER MODEL PLUGIN, FIXED TIME ASSEMBLY, 120 VAC, 60 HZ
    £1,187.77 Price with VAT: £1,425.32 Buy Surplus As Low As £531.23 Price with VAT: £637.48
    £531.23 Price with VAT: £637.48
    Repair Yours £445.21 Price with VAT: £534.25
    AUTOMATED LOGIC ZN341V+

    AUTOMATED LOGIC

    ZN341V+

    DISCONTINUED BY MANUFACTURER, ZONE CONTROLLER, 0-10 VDC, HIGH SPEED 16-BIT MICROPROCESSOR WITH 1 MBYTE FLASH MEMORY AND 512 KBYTE OF RAM, BACNET SUPPORT
    ✓ IN STOCK!
    Buy Surplus As Low As £889.06 Price with VAT: £1,066.87
    £889.06 Price with VAT: £1,066.87
    Repair Yours £677.83 Price with VAT: £813.40
    HONEYWELL W7400A-1001

    HONEYWELL

    W7400A-1001

    DISCONTINUED BY MANUFACTURER, RELAY MODULE , 20-30VAC ,50/60HZ ,SPDT
    ✓ IN STOCK!
    Buy Surplus As Low As £124.72 Price with VAT: £149.66
    £124.72 Price with VAT: £149.66
    Repair Yours Contact Us
    JOHNSON CONTROLS P-3800-1

    JOHNSON CONTROLS

    P-3800-1

    RESET VOLUME CONTROL,DADR/RARR
    ✓ IN STOCK!
    £341.13 Price with VAT: £409.35 Buy Surplus As Low As £165.51 Price with VAT: £198.61
    £165.51 Price with VAT: £198.61
    RITTAL 3286.870

    RITTAL

    3286.870

    AIR DUCT SYSTEM, FOR ROOF-MOUNTED COOLING UNITS, FOR ROOF-MOUNTED AIR/WATER HEAT EXCHANGERS, SHALLOW DUCT CAN BE CUT TO DESIRED LENGTH
    ✓ IN STOCK!
    £120.00 Price with VAT: £144.00 Buy Surplus As Low As £67.07 Price with VAT: £80.48
    £67.07 Price with VAT: £80.48
    RITTAL 3341024

    RITTAL

    3341024

    19" FAN TRAY, RACKMOUNT, 3 FANS, 24VDC, 0.74 AMP, PRE-FUSE T6A, 51 DB NOISE LEVEL
    ✓ IN STOCK!
    £1,701.28 Price with VAT: £2,041.54 Buy Surplus As Low As £922.11 Price with VAT: £1,106.54
    £922.11 Price with VAT: £1,106.54
    RITTAL 3325.207

    RITTAL

    3325.207

    DISCONTINUED BY MANUFACTURER, OUTLET FILTER, FOR 3325XXX, RAL 7035, OUTLET FILTER INCLUDES MAT, 10.04"H X 10.04"W X 1.18"D
    ✓ IN STOCK!
    Buy Surplus As Low As £112.24 Price with VAT: £134.69
    £112.24 Price with VAT: £134.69
    HONEYWELL W7751E-1007

    HONEYWELL

    W7751E-1007

    DISCONTINUED BY MANUFACTURER, CONTROLLER EXCEL 10
    ✓ IN STOCK!
    Buy Surplus As Low As £540.61 Price with VAT: £648.74
    £540.61 Price with VAT: £648.74
    Repair Yours £504.28 Price with VAT: £605.13
    GRAINGER 2E462

    GRAINGER

    DAYTON

    2E462

    SWITCH, AIR SENSING, MULTI PURPOSE, SPDT, 300 VA PILOT DUTY, -40-+180 DEG F, 1/4" OUTER DIAMETER TUBING NUTS
    ✓ IN STOCK!
    £65.81 Price with VAT: £78.97 Buy Surplus As Low As £35.73 Price with VAT: £42.88
    £35.73 Price with VAT: £42.88
    HONEYWELL 205846

    HONEYWELL

    205846

    CRANK ARM, FOR USE WITH ACTUATORS AND DAMPERS, 300 IN-LB TORQUE
    ✓ IN STOCK!
    £9.64 Price with VAT: £11.57 Buy Surplus As Low As £5.61 Price with VAT: £6.73
    £5.61 Price with VAT: £6.73
    HONEYWELL DM7600B1012

    HONEYWELL

    DM7600B1012

    8"ZONE DAMP,24V,W/ML6161,SPDT
    ✓ IN STOCK!
    £123.24 Price with VAT: £147.89 Buy Surplus As Low As £53.91 Price with VAT: £64.70
    £53.91 Price with VAT: £64.70
    ALERTON TX-VAV

    ALERTON

    TX-VAV

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, IBEX, TERMINAL UNIT, V1.29, 24 V AC, 50 VA, 3 INPUTS, W/ 8-BIT RESOLUTION, 5 OUTPUTS, RATED 24 V AC, 0.5 AMP MAX, W/ ONBOARD VELOCITY TRANSDUCE ...
    ✓ IN STOCK!
    £946.34 Price with VAT: £1,135.61 Buy Surplus As Low As £403.51 Price with VAT: £484.21
    £403.51 Price with VAT: £484.21
    Repair Yours £334.91 Price with VAT: £401.89
    JOHNSON CONTROLS AS-UNT141-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT141-1

    DISCONTINUED BY MANUFACTURER, HVAC UNITARY CONTROL MODULE, 24 VAC, 2 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As £481.54 Price with VAT: £577.85
    £481.54 Price with VAT: £577.85
    Repair Yours £369.73 Price with VAT: £443.68
    ASCO B2MN

    ASCO

    ASCO NUMATICS

    B2MN

    BREATHER VENT, NPT 1/4" (50), BREATHER VEND SILENCER, EXHAUST, 150 PSI
    ✓ IN STOCK!
    £3.20 Price with VAT: £3.84 Buy Surplus As Low As £2.07 Price with VAT: £2.48
    £2.07 Price with VAT: £2.48
    SIEMENS 545-719

    SIEMENS

    LANDIS & GYR

    545-719

    DISCONTINUED BY MANUFACTURER, OPEN PROCESSOR MODULE, APOGEE AUTOMATION, PROTOCOL 1 AND 2, 4MB MEMORY
    ✓ IN STOCK!
    Buy Surplus As Low As £133.82 Price with VAT: £160.58
    £133.82 Price with VAT: £160.58
    Repair Yours £150.00 Price with VAT: £180.00
    WILKERSON PNEUMATIC GRP-95-013

    WILKERSON PNEUMATIC

    GRP-95-013

    GUARD (BOWL) KIT, PNEUMATIC, METAL (FOR PLASTIC BOWLS)
    ✓ IN STOCK!
    £80.09 Price with VAT: £96.11 Buy Surplus As Low As £28.36 Price with VAT: £34.03
    £28.36 Price with VAT: £34.03
    BROAN NUTONE IR55

    BROAN NUTONE

    IR55

    ROUGH IN HOUSING, FOR IS-319 SERIES IS-419 SERIES AND IS-519 SPEAKERS, DESIGNED TO MOUNT IN BRICK OR STUCCO CONSTRUTION, RECESS MOUNTING, WELDED METAL CONSTRUCTION
    ✓ IN STOCK!
    £27.23 Price with VAT: £32.68 Buy Surplus As Low As £12.50 Price with VAT: £15.00
    £12.50 Price with VAT: £15.00
    JOHNSON CONTROLS CD-P00-00-0

    JOHNSON CONTROLS

    CD-P00-00-0

    DISCONTINUED BY MANUFACTURER, TRANSMITTER SENSOR, CO2, 30V, DUCT MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As £509.01 Price with VAT: £610.81
    £509.01 Price with VAT: £610.81
    Repair Yours £431.34 Price with VAT: £517.61
    CARRIER PARTS INC KH09AZ002

    CARRIER PARTS INC

    KH09AZ002

    OIL FILTER CARTRIDGE, FILTER MATERIAL, GLASS FIBER AND BACK SPRAY NETWORK
    ✓ IN STOCK!
    £42.56 Price with VAT: £51.07 Buy Surplus As Low As £23.66 Price with VAT: £28.40
    £23.66 Price with VAT: £28.40
    DWYER A-481

    DWYER

    A-481

    STATIC PRESSURE INSTALLER KIT, AIR GAUGE, 2 PLASTIC STATIC PRESSURE TIPS, 6 FEET PVC TUBING, FOR USE WITH DIFFERENTIAL PRESSURE SWITCH, (PRICE/EACH)
    ✓ IN STOCK!
    £6.09 Price with VAT: £7.31 Buy New £6.09 Price with VAT: £7.31
    £5.14 Price with VAT: £6.17
    UNITED TECHNOLOGIES 33CSZC-PI

    UNITED TECHNOLOGIES

    CARRIER

    33CSZC-PI

    DISCONTINUED BY MANUFACTURER, ZONE CONTROL, ZONE IAQ CAPABILITY
    ✓ IN STOCK!
    Buy Surplus As Low As £1,075.43 Price with VAT: £1,290.51
    £1,075.43 Price with VAT: £1,290.51
    JOHNSON CONTROLS AS-UNT1144-0

    JOHNSON CONTROLS

    METASYS

    AS-UNT1144-0

    DISCONTINUED BY MANUFACTURER, UNITARY CONTROLLER, 6 ANALOG INPUTS 1K-OHM RTD, 0-2/0-10VDC, 6 BINARY INPUTS 24VAC DRY CONTACT, 4 ANALOG OUTPUTS 0-10VDC @ 10MA, 4 BINARY OUTPUTS CLASS 2 2AMP R ...
    ✓ IN STOCK!
    Buy Surplus As Low As £612.80 Price with VAT: £735.36
    £612.80 Price with VAT: £735.36
    Repair Yours £577.69 Price with VAT: £693.23
    EBM PAPST W2E200-HK38-01

    EBM PAPST

    W2E200-HK38-01

    AXIAL FAN, 230 VAC, 310 MA, 200 MM FAN FRAME SIZE, 80 MM EXTERNAL DEPTH, 58DBA NOISE RATING, 17.16 M/MIN FLOW RATE, BALL BEARING
    ✓ IN STOCK!
    £213.63 Price with VAT: £256.36 Buy Surplus As Low As £177.02 Price with VAT: £212.42
    £177.02 Price with VAT: £212.42
    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 £6.62 Price with VAT: £7.95
    £6.62 Price with VAT: £7.95
    BELIMO LF24-SR-US

    BELIMO

    LF24-SR-US

    DAMPER ACTUATOR, 35 IN-LB, 4 NM, SPRING RETURN, AC/DC 24 V, 2/10 V, MODULATING
    ✓ IN STOCK!
    £346.32 Price with VAT: £415.58 Buy Surplus As Low As £172.28 Price with VAT: £206.74
    £172.28 Price with VAT: £206.74
    DANFOSS 013G-0290

    DANFOSS

    013G-0290

    PACKING GLAND FOR RA 2000
    ✓ IN STOCK!
    £35.60 Price with VAT: £42.72 Buy Surplus As Low As £27.44 Price with VAT: £32.93
    £27.44 Price with VAT: £32.93
    DANFOSS 065B-8892

    DANFOSS

    065B-8892

    SOLDER TAILPIECE KIT, 3/4", FOR ESBE VTA THERMOSTATIC VALVES, BRASS
    ✓ IN STOCK!
    £56.36 Price with VAT: £67.63 Buy Surplus As Low As £43.01 Price with VAT: £51.61
    £43.01 Price with VAT: £51.61
    BELIMO S1A

    BELIMO

    S1A

    AUXILIARY SWITCH ADD-ON, SPDT, IP54, 1 M CABLE LENGTH
    ✓ IN STOCK!
    £74.90 Price with VAT: £89.88 Buy Surplus As Low As £29.28 Price with VAT: £35.13
    £29.28 Price with VAT: £35.13
    BASO GAS PRODUCTS LLC Y90AA-4211

    BASO GAS PRODUCTS LLC

    Y90AA-4211

    INLET FITTING, .011 ORIFICE, BUT/LP.NA, 1/4 INCH C
    ✓ IN STOCK!
    £14.83 Price with VAT: £17.80 Buy Surplus As Low As £11.87 Price with VAT: £14.24
    £11.87 Price with VAT: £14.24
    VERIS Z101652-OH

    VERIS

    Z101652-OH

    DISCONTINUED BY MANUFACTURER, HUMIDITY WALL SENSOR, 2PERCENT, 10VDC
    ✓ IN STOCK!
    Buy Surplus As Low As £66.64 Price with VAT: £79.97
    £66.64 Price with VAT: £79.97
    ARMSTRONG B1671-6

    ARMSTRONG

    ARMSTRONG INTERNATIONAL

    B1671-6

    PRESSURE CHANGE ASSEMBLY, 7/32" ORIFICE, 180 LB OPERATING PRESSURE., PCA F/813
    ✓ IN STOCK!
    £412.32 Price with VAT: £494.78 Buy Surplus As Low As £313.69 Price with VAT: £376.43
    £313.69 Price with VAT: £376.43
    WEIL MCLAIN 383-500-620

    WEIL MCLAIN

    383-500-620

    MAINTENANCE KIT, FOR ULTRA GAS BOILERS, SEALS, WITH BRACKET
    ✓ IN STOCK!
    £126.07 Price with VAT: £151.28 Buy Surplus As Low As £65.24 Price with VAT: £78.28
    £65.24 Price with VAT: £78.28
    EMERSON EK-163S

    EMERSON

    ALCO CONTROLS

    EK-163S

    FILTER DRIER, LIQUID LINE, 3/8 INCH ODF INLET, 3/8 INCH ODF OUTLET, 16 CUBIC INCH, 20 MICRON FILTRATION, 680 PSIG, 4690 KPA, SWEAT CONNECTION, SOLID COPPER CONNECTIONS, SHOCK REISISTANT STEE ...
    ✓ IN STOCK!
    £29.75 Price with VAT: £35.70 Buy Surplus As Low As £17.61 Price with VAT: £21.14
    £17.61 Price with VAT: £21.14
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