Product Search

    SEARCH NOW FOR ALL YOUR RADWELL SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    HVAC / HVAC Control System Board

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 751-800 of 891.
    JOHNSON CONTROLS DAA-5025

    JOHNSON CONTROLS

    DAA-5025

    DISCONTINUED BY MANUFACTURER, DIGITAL AUDIO AMPLIFIER, 50 WATT, 25 VRMS, WITH DAA-PS
    Buy Surplus As Low As CAN$1,901.99
    CAN$1,901.99
    Repair Yours CAN$1,213.85
    SIEMENS SAMMS-HHC1

    SIEMENS

    ITE SIEMENS

    SAMMS-HHC1

    DISCONTINUED BY MANUFACTURER, HANDHELD COMMUNICATOR, SAMMS, 6 KEYS, CABLE WITH RS-232 CONNECTOR
    Buy Surplus As Low As CAN$1,272.62
    CAN$1,272.62
    Repair Yours CAN$845.19
    UNITED TECHNOLOGIES CEAS420776-01

    UNITED TECHNOLOGIES

    CARRIER

    CEAS420776-01

    PROCESSOR MODULE
    Buy Surplus As Low As CAN$1,080.68
    CAN$1,080.68
    Repair Yours CAN$757.49
    SIEMENS R533-665

    SIEMENS

    LANDIS & GYR

    R533-665

    PC BOARD SCU TERMINATION
    CAN$4,276.60 Buy Surplus As Low As CAN$2,566.25
    CAN$2,566.25
    Repair Yours CAN$1,813.90
    HONEYWELL R7516B-1049-17

    HONEYWELL

    R7516B-1049-17

    DISCONTINUED BY MANUFACTURER, CONTROLLER, DELTANET MICROCEL, 24VAC, 50/60HZ, CLASS 2
    Buy Surplus As Low As CAN$1,215.39
    CAN$1,215.39
    Repair Yours CAN$1,014.23
    ZONEX SYSTEMS 101ASSB

    ZONEX SYSTEMS

    101ASSB

    DISCONTINUED BY MANUFACTURER, CONTROLLER GAS-ELECTRIC SYSTEM, 2 STAGE HEAT, 2 STAGE COOL
    Buy Surplus As Low As CAN$999.81
    CAN$999.81
    Repair Yours CAN$603.71
    UNITED TECHNOLOGIES CEFA121196-02

    UNITED TECHNOLOGIES

    CARRIER

    CEFA121196-02

    COMMUNICATION MODULE
    Buy Surplus As Low As CAN$1,556.18
    CAN$1,556.18
    Repair Yours CAN$1,065.23
    UNITED TECHNOLOGIES 30HR503892

    UNITED TECHNOLOGIES

    CARRIER

    30HR503892

    MODULE PROGRAMMED
    CAN$4,582.07 Buy Surplus As Low As CAN$2,291.04
    CAN$2,291.04
    Repair Yours CAN$1,788.40
    SIEMENS R533-685

    SIEMENS

    LANDIS & GYR

    R533-685

    CONTROL BOARD STAND ALONE UNIT 8PORT
    CAN$1,374.62 Buy Surplus As Low As CAN$825.64
    CAN$825.64
    Repair Yours CAN$585.60
    SIEMENS 544-331

    SIEMENS

    LANDIS & GYR

    544-331

    CONTROLLER CARD UNITARY CAGE ASSEMBLY
    Buy Surplus As Low As CAN$3,587.85
    CAN$3,587.85
    Repair Yours CAN$2,578.10
    HONEYWELL R7515A-1059-3

    HONEYWELL

    R7515A-1059-3

    CONTROLLER DELTANET MICROCEL 24VAC 50/60HZ CLASS 2
    Buy Surplus As Low As CAN$1,296.81
    CAN$1,296.81
    Repair Yours CAN$928.95
    ADVANTAGE ELECTRONICS 232100

    ADVANTAGE ELECTRONICS

    232100

    DISCONTINUED BY MANUFACTURER, CONTROLLER, MAXIMUM SERIES, 3-PHASE, 480 V, 90 A, 60 HZ, FOR MAXIMUM CHILLER
    Buy Surplus As Low As CAN$1,059.47
    CAN$1,059.47
    Repair Yours CAN$591.63
    HONEYWELL Q7900A1004

    HONEYWELL

    Q7900A1004

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY BOARD, 24 VAC, 50/60 HZ, 7 VA, FOR W7900 CHILLER CONTROL, (AKA: BRD0402 / 13640308-01)
    Buy Surplus As Low As CAN$1,044.79
    CAN$1,044.79
    Repair Yours CAN$728.31
    MCS MCS-UPC-CHL

    MCS

    MCS-UPC-CHL

    CONTROLLER TRANSLATOR BACNET SINGLE CHILLER 24VAC
    CAN$2,749.24 Buy Surplus As Low As CAN$1,649.84
    CAN$1,649.84
    Repair Yours CAN$1,171.20
    UNITED TECHNOLOGIES 30GT515217

    UNITED TECHNOLOGIES

    CARRIER

    30GT515217

    EXV BOARD, ELECTRONIC EXPANSION VALVE BOARD, PROGRAMMED
    CAN$3,285.26 Buy Surplus As Low As CAN$1,971.16
    CAN$1,971.16
    Repair Yours CAN$1,207.78
    SIEMENS 533-685

    SIEMENS

    LANDIS & GYR

    533-685

    PC BOARD SCU AO-V
    CAN$3,207.45 Buy Surplus As Low As CAN$1,925.05
    CAN$1,925.05
    Repair Yours CAN$1,366.39
    OMRON E5ZD-8VH02KJR

    OMRON

    E5ZD-8VH02KJR

    TEMPERATURE CONTROL HEAT/COOL
    Buy Surplus As Low As CAN$3,025.90
    CAN$3,025.90
    Repair Yours CAN$2,124.24
    HONEYWELL W7900A1006

    HONEYWELL

    W7900A1006

    DISCONTINUED BY MANUFACTURER, CHILLER CONTROLLER, COOLING, 24 VAC, 50/60 HZ, 20-100 DEGREES F
    Buy Surplus As Low As CAN$1,439.61
    CAN$1,439.61
    Repair Yours CAN$953.86
    SAUTER EYL225F001

    SAUTER

    EYL225F001

    DISCONTINUED BY MANUFACTURER, COMPACT AUTOMATION STATION, WITH FIELD MODULES, 230 VAC, 50/60 HZ
    Buy Surplus As Low As CAN$2,031.67
    CAN$2,031.67
    Repair Yours CAN$1,445.37
    JOHNSON CONTROLS SDU-101-0

    JOHNSON CONTROLS

    SDU-101-0

    SYSTEM DIAGNOSTIC UNIT 120VAC 1.0AMP 50/60HZ
    Buy Surplus As Low As CAN$1,426.50
    CAN$1,426.50
    Repair Yours CAN$1,011.66
    JOHNSON CONTROLS TRS-102-2

    JOHNSON CONTROLS

    TRS-102-2

    SLAVE BOARD TRANSMITTER/RECEIVER
    Buy Surplus As Low As CAN$5,489.84
    CAN$5,489.84
    Repair Yours CAN$3,853.95
    SIEMENS SMART-II-FNC-8620

    SIEMENS

    STAEFA CONTROL SYS

    SMART-II-FNC-8620

    PC BOARD SMART II 0-20 PHASE CUT FAN COIL
    Buy Surplus As Low As CAN$1,210.36
    CAN$1,210.36
    Repair Yours CAN$852.54
    SIEMENS 545-796

    SIEMENS

    LANDIS & GYR

    545-796

    DISCONTINUED BY MANUFACTURER,FLN CONTROLLER BOARD,FOR USE WITH SYSTEM 600 APOGEE,SMOKE CONTROL SYSTEM
    Buy Surplus As Low As CAN$4,538.85
    CAN$4,538.85
    Repair Yours CAN$2,731.17
    HONEYWELL R7515A-3006

    HONEYWELL

    R7515A-3006

    CONTOLLER DELTANET MICROCEL 24V 50/60HZ CLASS 2
    Buy Surplus As Low As CAN$1,340.04
    CAN$1,340.04
    Repair Yours CAN$957.58
    ALERTON VLC-651RC3

    ALERTON

    VLC-651RC3

    CONTROL MODULE BACTALK
    Buy Surplus As Low As CAN$1,167.13
    CAN$1,167.13
    Repair Yours CAN$834.81
    SIEMENS AGA56.41A17

    SIEMENS

    AGA56.41A17

    PC BAORD, BOARD FOR SQM5, 110V, 4-20MA
    CAN$2,101.20 Buy Surplus As Low As CAN$1,299.70
    CAN$1,299.70
    INVENSYS MNL-20RS3

    INVENSYS

    BARBER COLMAN

    MNL-20RS3

    DISCONTINUED BY MANUFACTURER, CONTROLLER, 24 VAC, MICRONET I/A, LONMARK CONTROLLER
    Buy Surplus As Low As CAN$872.40
    CAN$872.40
    Repair Yours CAN$579.56
    JOHNSON CONTROLS LP-FX15D21-000C

    JOHNSON CONTROLS

    LP-FX15D21-000C

    DISCONTINUED BY MANUFACTURER, FIELD CONTROLLER, NO DISPLAY, DIGITAL OUTPUT 9RELAY, N2 OPEN CARD
    Buy Surplus As Low As CAN$3,089.38
    CAN$3,089.38
    Repair Yours CAN$2,063.55
    SIEMENS 091-60210-83

    SIEMENS

    STAEFA CONTROL SYS

    091-60210-83

    PC BOARD SMART2 MUX
    Buy Surplus As Low As CAN$1,512.95
    CAN$1,512.95
    Repair Yours CAN$1,071.76
    KMC CONTROLS KMD-5121

    KMC CONTROLS

    KMD-5121

    LAN CONTROLLER CARD 16OUTPUT CARD FOR MULTINET
    Buy Surplus As Low As CAN$4,582.07
    CAN$4,582.07
    Repair Yours CAN$3,253.32
    KMC CONTROLS KMD-5120

    KMC CONTROLS

    KMD-5120

    LAN CONTROLLER CARD 16INPUT FOR MULTINET
    Buy Surplus As Low As CAN$2,593.63
    CAN$2,593.63
    Repair Yours CAN$1,841.50
    SPIRAX SARCO FT15-1-1/2

    SPIRAX SARCO

    FT15-1-1/2

    BALL FLOAT STEAM TRAP 1-1/2IN NPT 15PSIG
    Buy Surplus As Low As CAN$907.77
    CAN$907.77
    Repair Yours CAN$652.00
    JOHNSON CONTROLS T-5312-3

    JOHNSON CONTROLS

    T-5312-3

    DISCONTINUED BY MANUFACTURER, CONTROLLER, 2 POSITION, PNEUMATIC RECEIVER, DIRECT OR REVERSE ACTING, NO REPLACEMENT
    Buy Surplus As Low As CAN$1,779.47
    CAN$1,779.47
    UNITED TECHNOLOGIES CEAS420772-01

    UNITED TECHNOLOGIES

    CARRIER

    CEAS420772-01

    CONTROL BOARD 8ANALOG OUTPUT
    CAN$1,497.10 Buy Surplus As Low As CAN$899.12
    CAN$899.12
    Repair Yours CAN$615.46
    TSI INC 800244

    TSI INC

    800244

    ROOM PRESSURE MONITOR MODEL/8630-SM
    CAN$1,743.49 Buy Surplus As Low As CAN$871.75
    CAN$871.75
    Repair Yours CAN$702.83
    SIEMENS RWD62U

    SIEMENS

    LANDIS & GYR

    RWD62U

    DISCONTINUED BY MANUFACTURER, UNIVERSAL CONTROLLER, FOR HVAC, TEMPERATURE/STATIC PRESSURE/HUMIDITY/AIR PRESSURE/FLUID PRESSURE/REFRIGERATION/AIR QUALITY AND AIR FLUID VELOCITY, 24 VAC OPERAT ...
    Buy Surplus As Low As CAN$737.50
    CAN$737.50
    Repair Yours CAN$362.22
    ALERTON VAV-SDC2

    ALERTON

    VAV-SDC2

    CONTROL MODULE, BACTALK VERSATILE BACNET-COMPLIANT, PROVIDES PRESSURE INDEPENDENT CONTROL, FOUR 10-BIT INPUTS, FIVE BINARY OUTPUTS
    Buy Surplus As Low As CAN$847.25
    CAN$847.25
    Repair Yours CAN$910.39
    SIEMENS R53499513520011

    SIEMENS

    LANDIS & GYR

    R53499513520011

    CONTROL BOARD DPU
    Buy Surplus As Low As CAN$1,210.36
    CAN$1,210.36
    Repair Yours CAN$859.37
    HONEYWELL W973F1004

    HONEYWELL

    W973F1004

    4-HT/2-CL LOGIC PANEL 24V
    CAN$3,763.64 Buy Surplus As Low As CAN$2,259.34
    CAN$2,259.34
    SIEMENS 87265-015811-99265-004668

    SIEMENS

    LANDIS & GYR

    87265-015811-99265-004668

    ANALOG I/O CARD FOR UNITARY CONTROLLER
    Buy Surplus As Low As CAN$2,118.13
    CAN$2,118.13
    Repair Yours CAN$1,534.59
    CARLYLE COMPRESSOR 3TA0796B

    CARLYLE COMPRESSOR

    3TA0796B

    DISCONTINUED BY MANUFACTURER, COMPRESSOR CONTROLLER, CEM MODULE, LED STATUS INDICATORS, SCREW TERMINALS, 1-PHASE, 100/200 V; 50 HZ, 120/240 V; 60 HZ, FOR USE WITH ALL 05/6T COMPRESSORS
    Buy Surplus As Low As CAN$1,296.81
    CAN$1,296.81
    Repair Yours CAN$917.63
    SIEMENS A1100615517

    SIEMENS

    A1100615517

    PC BOARD POSITIVE SUPPLY
    Buy Surplus As Low As CAN$1,037.45
    CAN$1,037.45
    Repair Yours CAN$736.60
    UNITED TECHNOLOGIES CEPL130399-02

    UNITED TECHNOLOGIES

    CARRIER

    CEPL130399-02

    DISCONTINUED BY MANUACTURER, PC BOARD, REFRIGERATOR CHILLER BOARD, 24 VDC
    Buy Surplus As Low As CAN$1,426.50
    CAN$1,426.50
    Repair Yours CAN$796.89
    AAON YS101826

    AAON

    YS101826

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, MODULAR GAS SYSTEM CONTROL, ON-BOARD STATUS LEDS, 24 V AC CONTACT INPUTS
    Buy Surplus As Low As CAN$1,091.25
    CAN$1,091.25
    Repair Yours CAN$728.31
    UNITED TECHNOLOGIES CEFA121321-05

    UNITED TECHNOLOGIES

    CARRIER

    CEFA121321-05

    DATA COLLECTION TRANSFER I/O BOARD
    Buy Surplus As Low As CAN$1,901.99
    CAN$1,901.99
    Repair Yours CAN$1,301.94
    SIEMENS 540-830

    SIEMENS

    LANDIS & GYR

    540-830

    DISCONTINUED BY MANUFACTURER, VENTILATION CONTROLLER, W/HUMIDITY, 1-10V UNIT
    Buy Surplus As Low As CAN$960.51
    CAN$960.51
    Repair Yours CAN$728.31
    SIEMENS 537-150

    SIEMENS

    537-150

    EXPANSION KIT SCU
    CAN$2,672.88 Buy Surplus As Low As CAN$1,603.73
    CAN$1,603.73
    Repair Yours CAN$1,145.41
    MIKRO PUL 13101196

    MIKRO PUL

    13101196

    DISCONTINUED BY MANUFACTURER, PRINT SERVER CARD, INTERNAL, JETDIRECT ETHERNET, 610N ENET, 10/100TX
    Buy Surplus As Low As CAN$1,654.69
    CAN$1,654.69
    Repair Yours CAN$1,133.74
    UNITED TECHNOLOGIES CEAS420876-02

    UNITED TECHNOLOGIES

    CARRIER

    CEAS420876-02

    DISCONTINUED BY MANUFACTURER, HVAC CONTROL BOARD, SIGNAL REPEATER, CEAS221045-01 REQUIRED FOR OPTICAL ISOLATION
    Buy Surplus As Low As CAN$1,227.66
    CAN$1,227.66
    Repair Yours CAN$821.04
    SIEMENS 540-205

    SIEMENS

    LANDIS & GYR

    540-205

    DISCONTINUED BY MANUFACTURER, UNIT VENT CONTROLLER, 0-10VDC, NO REPLACEMENT
    Buy Surplus As Low As CAN$812.67
    CAN$812.67
    Repair Yours CAN$910.39
    Previous Next
    8 9 10 11 12 13 14 15 16 17 18
    Related Categories
    Control Software CPU/Control Board Diagnostic Equipment Electrical Cable/Wire Enclosure Fuse PLC Software Power Controller Relay/Socket Temperature/Process Control Thermostat Toggle Switch