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    Results 1-50 of 911.
    SCHNEIDER ELECTRIC SEC-TEA-R-230-5045

    SCHNEIDER ELECTRIC

    SEC-TEA-R-230-5045

    DISCONTINUED BY MANUFACTURER, ECOSTRUXTURE BUILDING EXPERT TERMINAL EQUIPMENT, SMART TERMINAL CONTROLLER, SEC SERIES, DIN-RAIL MOUNT, CEILING/WALL MOUNT, 4 UNIVERSAL IN, 4 ANALOG / 5 DIGITAL ...
    ✓ IN STOCK!
    $2,190.90 Buy Surplus As Low As $949.53
    $949.53
    INGERSOLL RAND BRD03027

    INGERSOLL RAND

    TRANE

    BRD03027

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD KIT, HVAC CONTROL, 230/208 VAC, SPARE PARTS KIT
    ✓ IN STOCK!
    Buy Surplus As Low As $649.00
    $649.00
    Repair Yours $426.00
    HONEYWELL CP-EXPIO/U

    HONEYWELL

    CP-EXPIO/U

    DISCONTINUED BY MANUFACTURER, EXPANSION I/O BOARD, COMFORTPOINT OPEN, IP20, LED INDICATION (, 24 INPUT / OUTPUT, 15 VA, 24 VAC, 50/60 HZ, ABS PLASTIC, RS485 CONNECTION, DIN RAIL/WALL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $947.41
    $947.41
    Repair Yours $707.72
    GENERAL ELECTRIC IS200ECTBG2ADE

    GENERAL ELECTRIC

    IS200ECTBG2ADE

    DISCONTINUED BY MANUFACTURER, TERMINAL BOARD, EX2100 SERIES, FEEDBACK, FOR MARK VI TURBINE GAS CONTROL SYSTEM
    ✓ IN STOCK!
    Buy Surplus As Low As $2,187.00
    $2,187.00
    Repair Yours $2,016.90
    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 51198831-100

    HONEYWELL

    MEASUREX

    51198831-100

    DISCONTINUED BY MANUFACTURER, COMMUNICATION MODULE, TDC2000, PWA HIGHWAY
    ✓ IN STOCK!
    Buy Surplus As Low As $16,972.89
    $16,972.89
    Repair Yours $11,000.00
    INGERSOLL RAND X13650731-04

    INGERSOLL RAND

    TRANE

    X13650731-04

    DISCONTINUED BY MANUFACTURER, TRANE CIRCUIT BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $63.00
    $63.00
    JOHNSON CONTROLS AS-LCP200-0

    JOHNSON CONTROLS

    METASYS

    AS-LCP200-0

    CONTROLLER, LAB, CENTRAL, PLANT, 24 VAC, 50-60 HZ
    ✓ IN STOCK!
    $60.00 Buy Surplus As Low As $21.29
    $21.29
    SIEMENS 540-863B

    SIEMENS

    LANDIS & GYR

    540-863B

    DISCONTINUED BY MANUFACTURER, AIR HANDLING UNIT CONTROLLER, UNIT VENT CONTROLLER, 28 TERMINAL, MIXED AIR CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    HONEYWELL R7516B1049-15

    HONEYWELL

    R7516B1049-15

    DISCONTINUED BY MANUFACTURER, DELTANET MICROCEL CONTROLLER, WITH ML6161 ACTUATOR, 24 VAC 50/60 HZ, CLASS 2, MAXIMUM AMBIENT 49°C/120°F, ENCLOSED ENERGY MANAGEMENT EQUIPMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $480.00
    $480.00
    Repair Yours $399.00
    HONEYWELL XF523-A

    HONEYWELL

    XF523-A

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, XL600, DIGITAL, 12 INPUT, 24 VAC/DC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,853.55
    $1,853.55
    HONEYWELL 51401286-100

    HONEYWELL

    MEASUREX

    51401286-100

    DISCONTINUED BY MANUFACTURER, PC BOARD, ENHANCED PERIPHERAL DISPLAY GENERATOR, FOR UNIVERSAL STATION NODES, SCSI CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As $2,800.88
    $2,800.88
    Repair Yours $1,490.00
    SIEMENS 75D70646E

    SIEMENS

    75D70646E

    COIL W/SCREW TERM. CL 42 550/600V HZ
    ✓ IN STOCK!
    $52.68 Buy Surplus As Low As $40.04
    $40.04
    HONEYWELL 14505188-001

    HONEYWELL

    14505188-001

    DISCONTINUED BY MANUFACTURER, SAFETY CONTROL, SECURE / ACCESS CIRCUIT, 4 ZONE, CLASS-B
    ✓ IN STOCK!
    Buy Surplus As Low As $429.33
    $429.33
    Repair Yours $395.93
    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 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 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
    JOHNSON CONTROLS AS-UNT110-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT110-1

    DISCONTINUED BY MANUFACTURER, UNITARY CONTROLLER, CLASS 2, INPUT / 2 AMP / 24 VAC, OUTPUT / 0.54 AMP / 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,070.65
    $1,070.65
    Repair Yours $872.00
    JOHNSON CONTROLS AS-AHU-102-0

    JOHNSON CONTROLS

    METASYS

    AS-AHU-102-0

    DISCONTINUED BY MANUFACTURER, CONTROLLER BOARD, AIR HANDLING, 24 VDC, W/O CASE
    ✓ IN STOCK!
    Buy Surplus As Low As $810.00
    $810.00
    Repair Yours $580.00
    HONEYWELL W973B1016

    HONEYWELL

    W973B1016

    DISCONTINUED BY MANUFACTURER, SOLID STATE LOGIC PANEL, 24 VOLTS, 50/60 HZ, 3 HEAT / 3 COOL, 8 VA, -40 TO 150 DEGREE F
    ✓ IN STOCK!
    Buy Surplus As Low As $1,392.75
    $1,392.75
    Repair Yours $600.00
    ALERTON TX-SA

    ALERTON

    TX-SA

    DISCONTINUED BY MANUFACTURER, CONTROLLER MICROPROCESSOR, FOR HEAT PUMP AC OR FAN
    ✓ IN STOCK!
    Buy Surplus As Low As $284.56
    $284.56
    Repair Yours $300.00
    ALERTON TUX-784ST

    ALERTON

    TUX-784ST

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $404.65
    $404.65
    Repair Yours $330.00
    SIEMENS 587-160

    SIEMENS

    STAEFA CONTROL SYS

    587-160

    WIRING BASE FOR PREDATOR
    ✓ IN STOCK!
    $37.60 Buy Surplus As Low As $13.32
    $13.32
    Repair Yours $300.00
    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
    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
    UNITED TECHNOLOGIES CESO11006301

    UNITED TECHNOLOGIES

    CARRIER

    CESO11006301

    HEAT PUMP DEFROST TIMER PC BOARD 18-30VAC 50/60HZ
    ✓ IN STOCK!
    $115.20 Buy Surplus As Low As $28.57
    $28.57
    Repair Yours $300.00
    JOHNSON CONTROLS AS-AHU-101-1

    JOHNSON CONTROLS

    METASYS

    AS-AHU-101-1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, DDC, 4 AMP, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,498.66
    $1,498.66
    Repair Yours $1,129.46
    ALERTON LSI-ARCNET

    ALERTON

    LSI-ARCNET

    ARCNET CARD
    ✓ IN STOCK!
    Buy Surplus As Low As $682.13
    $682.13
    Repair Yours $482.74
    HONEYWELL XF524-A

    HONEYWELL

    XF524-A

    DISCONTINUED BY MANUFACTURER, OUTPUT MODULE, 6 POINT DIGITAL, 4 AMP, 240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $183.32
    $183.32
    Repair Yours $300.00
    HONEYWELL H705A1029

    HONEYWELL

    H705A1029

    DISCONTINUED BY MANUFACTURER, SOLID STATE ENTHALPY CONTROL, 24VAC, 53-78 DEG F @ 50% RH, PLATE MOUNT, INPUT FOR DIFFERENTIAL ENTHALPY CONTROL, (CARRIER HH57AC077), (SUGGESTED REPLACEMENT: HF ...
    ✓ IN STOCK!
    Buy Surplus As Low As $180.00
    $180.00
    JOHNSON CONTROLS AS-VAV-110-1

    JOHNSON CONTROLS

    METASYS

    AS-VAV-110-1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, VARIABLE AIR, VOLUME 8K, WITHOUT ENCLOSURE, CLASS 2, 24 VAC, 5 AMPS, REPLACED BY AS-VAV110-701
    ✓ IN STOCK!
    Buy Surplus As Low As $458.13
    $458.13
    Repair Yours $349.00
    JOHNSON CONTROLS AP-VMA1420-0

    JOHNSON CONTROLS

    METASYS

    AP-VMA1420-0

    DISCONTINUED BY MANUFACTURER, VARIABLE AIR VOLUME MODULAR ASSEMBLY, 1400 SERIES, VAV CONTROLLER, PRESSURE SENSOR, 24 VAC, CLASS 2, PROPORTIONAL, 30 SEC, 90 DEG ROTATION, (SUGGESTED REPLACEME ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,190.00
    $1,190.00
    Repair Yours $790.00
    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
    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
    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
    AUTOMATED LOGIC S6104

    AUTOMATED LOGIC

    S6104

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, 20 VA, 24 VAC, SINGLE EQUIPMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,804.26
    $1,804.26
    Repair Yours $1,500.00
    HONEYWELL W7751E-1007

    HONEYWELL

    W7751E-1007

    DISCONTINUED BY MANUFACTURER, CONTROLLER EXCEL 10
    ✓ IN STOCK!
    Buy Surplus As Low As $656.10
    $656.10
    Repair Yours $544.56
    JOHNSON CONTROLS P-3800-1

    JOHNSON CONTROLS

    P-3800-1

    RESET VOLUME CONTROL NO/DA NC/RA
    ✓ IN STOCK!
    $346.27 Buy Surplus As Low As $207.76
    $207.76
    UNITED TECHNOLOGIES CEPL110104-02

    UNITED TECHNOLOGIES

    CARRIER

    CEPL110104-02

    PC BOARD DEFROST CONTROL
    ✓ IN STOCK!
    $38.60 Buy Surplus As Low As $26.72
    $26.72
    Repair Yours $300.00
    HONEYWELL W7751B-2002

    HONEYWELL

    W7751B-2002

    DISCONTINUED BY MANUFACTURER, CONTROLLER BOARD, VAV II
    ✓ IN STOCK!
    Buy Surplus As Low As $551.30
    $551.30
    Repair Yours $519.91
    HONEYWELL W7100A1038

    HONEYWELL

    W7100A1038

    DISCONTINUED BY MANUFACTURER, CONTROLLER, MICROPROCESSOR BASED, DISCHARGE AIR CONTROL, 6 STAGE, 24 VAC, 40-90 DEGREES F
    ✓ IN STOCK!
    Buy Surplus As Low As $1,243.27
    $1,243.27
    Repair Yours $690.00
    HONEYWELL W7900A1006

    HONEYWELL

    W7900A1006

    DISCONTINUED BY MANUFACTURER, CHILLER CONTROLLER, COOLING, 24 VAC, 50/60 HZ, 20-100 DEGREES F
    ✓ IN STOCK!
    Buy Surplus As Low As $999.10
    $999.10
    Repair Yours $790.00
    HONEYWELL 101174

    HONEYWELL

    LEEDS & NORTHRUP

    101174

    101174 - AMPLIFIER BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $432.00
    $432.00
    Repair Yours $360.00
    AUTOMATED LOGIC U551

    AUTOMATED LOGIC

    U551

    DISCONTINUED BY MANUFACTURER, ZONE CONTROLLER, FOR HEAT PUMP, BACNET, 24 VAC., 0-10 VDC, 50/60 HZ, 12 VA, 0.5 A
    ✓ IN STOCK!
    Buy Surplus As Low As $228.22
    $228.22
    Repair Yours $300.00
    AUTOMATED LOGIC M0320

    AUTOMATED LOGIC

    M0320

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, 24VAC, 50-60HZ, 35VA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,098.50
    $1,098.50
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