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    Results 1-50 of 914.
    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 $1,758.00
    $1,758.00
    Repair Yours $1,445.00
    HONEYWELL XH561

    HONEYWELL

    XH561

    DISCONTINUED BY MANUFACTURER, MODULE HOUSING, XL600, 500 UNIVERSAL, INPUT/OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $327.00
    $327.00
    HONEYWELL R7044B1016-3

    HONEYWELL

    R7044B1016-3

    DISCONTINUED BY MANUFACTURER, CONTROLLER MODULE, DELTANET, EXCEL PLUS, HVAC, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,152.00 $915.00
    $1,152.00 $915.00
    Repair Yours $1,196.00
    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!
    $2,321.22 Buy Surplus As Low As $1,392.73
    $1,392.73
    Repair Yours $1,161.00
    JOHNSON CONTROLS G600AX-1C

    JOHNSON CONTROLS

    G600AX-1C

    DISCONTINUED BY MANUFACTURER, IGNITION CONTROL MODULE, REPLACEMENT PART, 24VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $312.00
    $312.00
    Repair Yours $260.00
    BELIMO LM24-US

    BELIMO

    LM24-US

    DISCONTINUED BY MANUFACTURER, FLOATING CONTROL ACTUATOR, 24 VAC / DC, 50/60 HZ, 3 VA, 2 WATT, 45 NM, 35 IN/LB, 80-110 SEC, NON-SPRING RETURN, 3 FT CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $273.00 $135.00
    $273.00 $135.00
    Repair Yours $225.00
    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 $918.00
    $918.00
    Repair Yours $996.00
    SIEMENS 75D70646E

    SIEMENS

    75D70646E

    COIL W/SCREW TERM. CL 42 550/600V HZ
    ✓ IN STOCK!
    $170.00 Buy Surplus As Low As $84.15
    $84.15
    FORNEY 317017-01

    FORNEY

    317017-01

    PC BOARD, AFS CONTROL SYS, BURNER MGMT SYS, BASE BOARD: AFS-CIS-03
    ✓ IN STOCK!
    $4,982.00 Buy Surplus As Low As $3,289.00
    $3,289.00
    Repair Yours $2,491.00
    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 $2,010.00
    $2,010.00
    Repair Yours $1,490.00
    HONEYWELL W7751D2008

    HONEYWELL

    W7751D2008

    DISCONTINUED BY MANUFACTURER, VARIABLE AIR VOLUME CONTROLLER, FIELD WIRING 14 TO 22 AWG, 24 V AC, 50/60 HZ, 10 VA, 0 TO 0.5 KPA, REPLACED BY W7751D2016
    ✓ IN STOCK!
    Buy Surplus As Low As $810.00 $450.00
    $810.00 $450.00
    Repair Yours $747.00
    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 $3,243.00 $1,621.20
    $3,243.00 $1,621.20
    HONEYWELL XF529

    HONEYWELL

    XF529

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, WITHOUT OVERRIDE SWITCHES, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $888.00 $555.00
    $888.00 $555.00
    Repair Yours $940.00
    HONEYWELL XL500

    HONEYWELL

    XL500

    DISCONTINUED BY MANUFACTURER, CONTROL SYSTEM, EXCEL 500, 4 SLOT, 40 VA MAX, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $45.00
    $45.00
    HONEYWELL 14506344-001

    HONEYWELL

    14506344-001

    DISCONTINUED BY MANUFACTURER, PC BOARD, RS485 INTERFACE BOARD, INTELLIGENT DISPLAY, DNFS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,470.00
    $1,470.00
    Repair Yours $960.00
    JOHNSON CONTROLS AS-AHU103-300

    JOHNSON CONTROLS

    METASYS

    AS-AHU103-300

    DISCONTINUED BY MANUFACTURER, DIGITAL CONTROLLER, AIR HANDLER UNIT TERMINATION BOARD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $3,162.00
    $3,162.00
    Repair Yours $2,100.00
    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 $994.50
    $994.50
    Repair Yours $980.00
    SIEMENS PTM6.2Q250

    SIEMENS

    LANDIS & GYR

    PTM6.2Q250

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, POINT TERMINATION MODULE, 2 POINT DIGITAL
    ✓ IN STOCK!
    Buy Surplus As Low As $36.54
    $36.54
    SIEMENS 540-509

    SIEMENS

    LANDIS & GYR

    540-509

    DISCONTINUED BY MANUFACTURER, UNIT VENT CONTROLLER SYSTEM, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $733.00
    $733.00
    Repair Yours $601.75
    HONEYWELL W7750C-2001

    HONEYWELL

    W7750C-2001

    DISCONTINUED BY MANUFACTURER, CONTROLLER, CVAHU, W/3ANALOG, 5 TRIAC OUTPUTS
    ✓ IN STOCK!
    Buy Surplus As Low As $686.00
    $686.00
    AUTOMATED LOGIC M0320

    AUTOMATED LOGIC

    M0320

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE, 24VAC, 50-60HZ, 35VA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,965.60 $1,081.20
    $1,965.60 $1,081.20
    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 $243.00
    $243.00
    Repair Yours $200.00
    CONAIR 107-213-01

    CONAIR

    107-213-01

    DISCONTINUED BY MANUFACTURER, I/O BOARD ASSEMBLY, TRIAC, LED INDICATORS, COMPU-DRY CD DRYER
    ✓ IN STOCK!
    Buy Surplus As Low As $601.00
    $601.00
    Repair Yours $390.00
    HONEYWELL 101174

    HONEYWELL

    LEEDS & NORTHRUP

    101174

    101174 - AMPLIFIER BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $432.00
    $432.00
    Repair Yours $360.00
    HONEYWELL XL100B

    HONEYWELL

    XL100B

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE CONTROLLER, 24VAC, 40/60HZ, 18W
    ✓ IN STOCK!
    Buy Surplus As Low As $3,939.00
    $3,939.00
    Repair Yours $3,250.00
    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 $1,195.10
    $1,195.10
    Repair Yours $690.00
    HONEYWELL W7751B-2002

    HONEYWELL

    W7751B-2002

    DISCONTINUED BY MANUFACTURER, CONTROLLER BOARD, VAV II
    ✓ IN STOCK!
    Buy Surplus As Low As $696.00
    $696.00
    Repair Yours $660.00
    UNITED TECHNOLOGIES 30GT515217

    UNITED TECHNOLOGIES

    CARRIER

    30GT515217

    BOARD, ELECTRONIC EXPANSION VALVE BOARD
    ✓ IN STOCK!
    $2,270.00 Buy Surplus As Low As $1,499.00
    $1,499.00
    UNITED TECHNOLOGIES 32GB501074

    UNITED TECHNOLOGIES

    CARRIER

    32GB501074

    PROCESSOR BOARD, HVAC BOARD, RESISTIVE NETWORK, 30 GT CHILLER
    ✓ IN STOCK!
    $7,156.00 Buy Surplus As Low As $4,294.00
    $4,294.00
    Repair Yours $2,190.00
    UNITED TECHNOLOGIES CEAS420771-01

    UNITED TECHNOLOGIES

    CARRIER

    CEAS420771-01

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, 4 INPUT, 4 OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $688.50
    $688.50
    Repair Yours $680.00
    UNITED TECHNOLOGIES CEPL110104-02

    UNITED TECHNOLOGIES

    CARRIER

    CEPL110104-02

    PC BOARD DEFROST CONTROL
    ✓ IN STOCK!
    $119.70 Buy Surplus As Low As $71.82
    $71.82
    Repair Yours Contact Us
    UNITED TECHNOLOGIES HH-84AA-021

    UNITED TECHNOLOGIES

    CARRIER

    HH-84AA-021

    MAIN CONTROL CIRCUIT BOARD, HIGH EFFICIENCY
    ✓ IN STOCK!
    $151.00 Buy Surplus As Low As $91.00
    $91.00
    HONEYWELL W7752G-2000

    HONEYWELL

    W7752G-2000

    DISCONTINUED BY MANUFACTURER, FAN COIL UNIT CONTROLLER, POWER 96-126VAC, 30VA MAX, 50/60HZ, 3 HEAT/3 COOL, 2 PIPE/4 PIPE,
    ✓ IN STOCK!
    Buy Surplus As Low As $3,485.00
    $3,485.00
    Repair Yours $2,900.00
    JOHNSON CONTROLS P-3800-1

    JOHNSON CONTROLS

    P-3800-1

    RESET VOLUME CONTROL,DADR/RARR
    ✓ IN STOCK!
    $362.00 Buy Surplus As Low As $218.00
    $218.00
    BOSCH R480061921

    BOSCH

    R480061921

    168-DA-080-0150-DSSWS0S
    ✓ IN STOCK!
    $499.00 Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $250.00
    HONEYWELL W7751E-1007

    HONEYWELL

    W7751E-1007

    DISCONTINUED BY MANUFACTURER, CONTROLLER EXCEL 10
    ✓ IN STOCK!
    Buy Surplus As Low As $810.00
    $810.00
    Repair Yours $680.00
    HONEYWELL Q7750A2003

    HONEYWELL

    Q7750A2003

    DISCONTINUED BY MANUFACTURER, ZONE MANAGER, EXCEL 10, 24 VAC, 50/60 HZ, FREE TOPOLOGY (FTT) E-BUS TRANSCEIVER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,667.00
    $1,667.00
    Repair Yours $1,350.00
    HONEYWELL W7760A2011

    HONEYWELL

    W7760A2011

    DISCONTINUED BY MANUFACTURER, BUILDING MANAGER, EXCEL 15 CONTROLLER, W/ WIRING SUBBASE, 20 VAC (WITH NO DIGITAL OUTPUTS), 100 VA (WITH DIGITAL OUTPUTS, 50/60 HZ, 1 DIGITAL INPUT, 8 ANALOG IN ...
    ✓ IN STOCK!
    Buy Surplus As Low As $293.00 $195.00
    $293.00 $195.00
    Repair Yours $241.00
    HONEYWELL XF526

    HONEYWELL

    XF526

    DISCONTINUED BY MANUFACTURER , 500 ANALOG INPUT MODULE, 0-20MA, 0-10 VDC PT3000, PT100, BALCO.
    ✓ IN STOCK!
    Buy Surplus As Low As $219.00 $187.80
    $219.00 $187.80
    Repair Yours $200.00
    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!
    $1,263.00 Buy Surplus As Low As $758.00
    $758.00
    Repair Yours $640.00
    SIEMENS 544-305

    SIEMENS

    LANDIS & GYR

    544-305

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, BACK PANEL, FOR POWERS SYSTEM, 600 UNITARY CONTROL, WITH LED CHANNEL INDICATION
    ✓ IN STOCK!
    Buy Surplus As Low As $434.00
    $434.00
    Repair Yours $356.85
    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 $631.00
    $631.00
    Repair Yours $480.00
    ALERTON APEX

    ALERTON

    APEX

    DISCONTINUED BY MANUFACTURER, CONTROLLER, STAND-ALONE, HIGH PERFORMANCE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,675.35
    $1,675.35
    Repair Yours $455.00
    ALERTON TX-450

    ALERTON

    TX-450

    DISCONTINUED BY MANUFACTURER, CONTROLLER, STAND ALONE, DIRECT DIGITAL, TUX HVAC
    ✓ IN STOCK!
    Buy Surplus As Low As $336.60 $222.00
    $336.60 $222.00
    Repair Yours $308.00
    ALERTON TX-653P

    ALERTON

    TX-653P

    DISCONTINUED BY MANUFACTURER, CONTROLLER, PROGRAMMABLE, 6 DIGITAL INPUT, 5 DIGITAL / 3 ANALOG OUTPUT, 10 VA, 0.5 AMP, 24 VAC, 150 MA / 24 VAC POWER SUPPLY, W/ 8-10 BIT RESOLUTION
    ✓ IN STOCK!
    Buy Surplus As Low As $482.00
    $482.00
    Repair Yours $397.00
    ALERTON TX-APLC

    ALERTON

    TX-APLC

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE CONTROLLER, 0-10 V DC, 4-20 MA, 24 V AC, 110 VA MAX LOAD, DIP SWITCH CONTROL, WITH STATUS INDICATORS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,249.50 $735.00
    $1,249.50 $735.00
    Repair Yours $1,250.00
    SIEMENS 549-212

    SIEMENS

    LANDIS & GYR

    549-212

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, MEC DIGITAL, 4DI/4DO, 24VDC, 25VA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $1,061.00
    $1,061.00
    Repair Yours $880.00
    SIEMENS 549-215

    SIEMENS

    LANDIS & GYR

    549-215

    DISCONTINUED BY MANUFACTURER, EXPANSION MODULE, MEC ANALOG, W/HOA 4AI, 4AO, 24V AC, 25 VA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $736.00 $378.00
    $736.00 $378.00
    Repair Yours $1,000.00
    SIEMENS 562-001

    SIEMENS

    LANDIS & GYR

    562-001

    DISCONTINUED BY MANUFACTURER, CONTROLLER, MODULAR BUILDING, POWER OPEN PROCESSOR
    ✓ IN STOCK!
    Buy Surplus As Low As $4,245.24 $2,472.60
    $4,245.24 $2,472.60
    Repair Yours $5,100.00
    SIEMENS 547-002

    SIEMENS

    LANDIS & GYR

    547-002

    DISCONTINUED BY MANUFACTURER, DIFFERENTIAL PRESSURE MONITOR, 18-28 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $912.00
    $912.00
    Repair Yours $490.00
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