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    Results 101-150 of 913.
    SIEMENS 537-185

    SIEMENS

    LANDIS & GYR

    537-185

    DISCONTINUED BY MANUFACTURER, PC BOARD, AOV BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $864.00
    $864.00
    Repair Yours $797.00
    SIEMENS 565-359

    SIEMENS

    LANDIS & GYR

    565-359

    MBC MCQUAY GATEWAY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $891.00
    $891.00
    Repair Yours $840.00
    HONEYWELL W7101A-1003

    HONEYWELL

    W7101A-1003

    DISCONTINUED BY MANUFACTURER, 6 STAGE, 24V, SATELLITE SEQUENCER (W7100)
    ✓ IN STOCK!
    Buy Surplus As Low As $1,637.00
    $1,637.00
    Repair Yours $1,350.00
    HONEYWELL PVL6436A

    HONEYWELL

    PVL6436A

    DISCONTINUED BY MANUFACTURER, CONTROLLER, VAV, PROGRAMMABLE, LONWORKS COMMUNICATIONS, W/ACTUATOR
    ✓ IN STOCK!
    Buy Surplus As Low As $2,889.00
    $2,889.00
    Repair Yours $2,665.00
    UNITED TECHNOLOGIES CPLOWAMB001A00

    UNITED TECHNOLOGIES

    CARRIER

    CPLOWAMB001A00

    HEAD PRESSURE CONTROLLER, LOW AMBIENT TEMPERATURE OPERATION, 208/230-460 VAC, 4.0-2.0 AMPS
    ✓ IN STOCK!
    $985.00 Buy Surplus As Low As $496.14
    $496.14
    Repair Yours $491.00
    ALERTON TX-MQ-WSHP

    ALERTON

    TX-MQ-WSHP

    DISCONTINUED BY MANUFACTURER PROGRAMMABLE CONTROLLER, 24 V AC, 0.5 AMP MAX, 10-70 VA, 4-20 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,182.00 $585.00
    $1,182.00 $585.00
    Repair Yours $980.00
    UNITED TECHNOLOGIES 33CSZC-PI

    UNITED TECHNOLOGIES

    CARRIER

    33CSZC-PI

    DISCONTINUED BY MANUFACTURER, ZONE CONTROL, ZONE IAQ CAPABILITY
    ✓ IN STOCK!
    Buy Surplus As Low As $1,394.00
    $1,394.00
    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 $803.00
    $803.00
    Repair Yours $750.00
    INVENSYS MNL-15RS1

    INVENSYS

    BARBER COLMAN

    MNL-15RS1

    DISCONTINUED BY MANUFACTURER, CONTROLLER, I/A SERIES, MICRONET, 150 LON
    ✓ IN STOCK!
    Buy Surplus As Low As $594.32
    $594.32
    Repair Yours $460.00
    INVENSYS MNL-V1RV3

    INVENSYS

    BARBER COLMAN

    MNL-V1RV3

    DISCONTINUED BY MANUFACTURER, SELF-CALIBRATING FLOW SENSOR, CONTROLLER I/A SERIES MICRONET VAV LON, 0 TO 10.5K OHM, 0 TO 5 VDC., 0 TO 20 MA REQUIRES AN EXTERNAL 250 OHM SHUNT, RESISTOR, 0 TO ...
    ✓ IN STOCK!
    Buy Surplus As Low As $606.00
    $606.00
    Repair Yours $498.00
    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 $1,593.00
    $1,593.00
    Repair Yours $1,500.00
    JOHNSON CONTROLS AS-UNT121-1

    JOHNSON CONTROLS

    METASYS

    AS-UNT121-1

    DISCONTINUED BY MANUFACTURER, UNT111 CONTROLLER, WITH HEATER, UNITARY, 0-10 VDC, 2 KOHM, -40/140 DEG F
    ✓ IN STOCK!
    Buy Surplus As Low As $590.00
    $590.00
    Repair Yours $490.00
    HONEYWELL 221508A2

    HONEYWELL

    221508A2

    RESISTOR BOARD ASSEMBLY, SCREW TERMINALS, USED WITH SERIES 2 / SERIES 3 MODUTROL IV MOTORS, -18/55 DEGREES C TEMPERATURE RANGE
    ✓ IN STOCK!
    $225.22 Buy Surplus As Low As $135.13
    $135.13
    Repair Yours $200.00
    SIEMENS 549-407

    SIEMENS

    STAEFA CONTROL SYS

    549-407

    POWER MODULAR EQUIPMENT CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $6,998.40
    $6,998.40
    Repair Yours $7,200.00
    HONEYWELL 14507330-004

    HONEYWELL

    14507330-004

    DISCONTINUED BY MANUFACTURER, 16 INCH RIBBON BUS CONNECTOR CABLE FOR XL500 CONTROLLER BASES
    ✓ IN STOCK!
    Buy Surplus As Low As $51.00
    $51.00
    HONEYWELL 32001676-001

    HONEYWELL

    RESIDEO

    32001676-001

    PRINTED WIRING BOARD W/TRANSFORMER
    ✓ IN STOCK!
    $195.00 Buy Surplus As Low As $117.00
    $117.00
    HONEYWELL W7762B-1027

    HONEYWELL

    W7762B-1027

    DISCONTINUED BY MANUFACTURER, XL HYDRONIC CONTROLLER, 0/70F, 24 VAC, 50/60 HZ, 1-80 VA, 0-50 DEGREES C
    ✓ IN STOCK!
    Buy Surplus As Low As $2,065.50
    $2,065.50
    Repair Yours $1,400.00
    SIEMENS 545-765

    SIEMENS

    LANDIS & GYR

    545-765

    DISCONTINUED BY MANUFACTURER, CONTROLLER BOARD, SCU V5 CONTROLLER, FLASH & RAM ASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As $837.00
    $837.00
    Repair Yours $660.00
    HONEYWELL R7516B-1049-17

    HONEYWELL

    R7516B-1049-17

    DISCONTINUED BY MANUFACTURER, CONTROLLER, DELTANET MICROCEL, 24VAC, 50/60HZ, CLASS 2
    ✓ IN STOCK!
    Buy Surplus As Low As $1,001.00
    $1,001.00
    Repair Yours $840.00
    SIEMENS PTM6.2Y10S-M

    SIEMENS

    LANDIS & GYR

    PTM6.2Y10S-M

    DISCONTINUED BY MANUFACTURER, POINT TERMINATION MODULE, 2 ANALOG OUTPUTS, 0-10 VDC, MANUAL OVERRIDE, FOR APOGEE MODULAR BUILDING CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $399.00
    $399.00
    Repair Yours $255.63
    SIEMENS 549-003

    SIEMENS

    LANDIS & GYR

    549-003

    POWER MODULAR EQUIPMENT CONTROLLER APOGEE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,380.00
    $1,380.00
    Repair Yours $1,146.00
    SIEMENS PTM6.2C

    SIEMENS

    LANDIS & GYR

    PTM6.2C

    DISCONTINUED BY MANUFACTURER, POINT TERMINATION MODULE, DIGITAL, 2 INPUT, PULSE ACCUMULATOR
    ✓ IN STOCK!
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    SIEMENS 538-955

    SIEMENS

    LANDIS & GYR

    538-955

    TRUNK ISOLATOR/EXTENDER HIGH SPEED 115VAC
    ✓ IN STOCK!
    $720.80 Buy Surplus As Low As $547.81
    $547.81
    Repair Yours $424.00
    SIEMENS 538-965

    SIEMENS

    LANDIS & GYR

    538-965

    TRUNK ISOLATOR/EXTENDER HIGH SPEED 120VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $900.00
    $900.00
    Repair Yours $760.00
    SIEMENS 540-100

    SIEMENS

    LANDIS & GYR

    540-100

    DISCONTINUED BY MANUFACTURER, TERMINAL BOX CONTROLLER, ELECTRONIC OUTPUT, APOGEE AUTOMATION, CLASS 2, OUTPUT: 12 VA MAX EACH OUTPUT, INPUT: 24 VAC 50/60 HZ, 24 V COMMON, 24 V HOT
    ✓ IN STOCK!
    Buy Surplus As Low As $570.00
    $570.00
    Repair Yours $439.68
    INVENSYS DMS-3500

    INVENSYS

    SIEBE

    DMS-3500

    DISCONTINUED BY MANUFACTURER, MASTER PROCESSOR, ENVIRONMENTAL CONTROL, SMOKE CONTROL / ENERGY MANAGEMENT, INPUT /30VA MAX / 24VAC / 50/60HZ, OUTPUT / SPST / 24VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $753.00
    $753.00
    Repair Yours $619.00
    INVENSYS DMS-ECH-001

    INVENSYS

    SIEBE

    DMS-ECH-001

    DISCONTINUED BY MANUFACTURER, ENVIRONMENTAL CONTROL SYSTEM, DMS-3500 ECHELON NIM XF 1250, INPUT / 600 MA / 5 VDC, DERIVED FROM DMS-3500 SERIES CONTROLLER, LOGIC LEVEL OUTPUT / CN3
    ✓ IN STOCK!
    Buy Surplus As Low As $3,511.35
    $3,511.35
    Repair Yours $830.00
    INVENSYS MSC-MPC001

    INVENSYS

    SIEBE

    MSC-MPC001

    DISCONTINUED BY MANUFACTURER, MULTIPURPOSE CONTROLLER, SMOKE CONTROL SYSTEM, ENERGY MANAGEMENT, 8 UNIVERSAL ANALOG INPUTS, FULL CLOCK FEATURES, 4 EXPANSION SLOTS, 28 VA, 24 VAC, 50/6HZ, OUTP ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,001.00 $585.00
    $1,001.00 $585.00
    Repair Yours $500.00
    INVENSYS MSC-P-100

    INVENSYS

    ROBERTSHAW

    MSC-P-100

    DISCONTINUED BY MANUFACTURER, TEMPERATURE UNIT CONTROLLER, LOW INPUT / OUTPUT, ANALOG INPUT, 16 LOOP MAX, 48 POINT, 24 VAC, 50/60 HZ
    ✓ IN STOCK!
    $344.25 Buy Surplus As Low As $206.55
    $206.55
    Repair Yours $224.10
    SCHNEIDER ELECTRIC MSC-P-752

    SCHNEIDER ELECTRIC

    SIEBE

    MSC-P-752

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER UNIT, ENVIRONMENTAL CONTROLS, INPUT: 101 VA MAX / 50/60 HZ, DIGITAL OUTPUT: 12 VA MAX / 24 VAC, 4-20 MA DC, 800 OHM MAX LOAD, CONNECT TO ...
    ✓ IN STOCK!
    Buy Surplus As Low As $65.28
    $65.28
    Repair Yours Contact Us
    AUTOMATED LOGIC M8102

    AUTOMATED LOGIC

    M8102

    DISCONTINUED BY MANUFACTURER, CONTROL MODULE 10INPUT 10OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,440.00
    $2,440.00
    Repair Yours $1,900.00
    JOHNSON CONTROLS MS-VMA1620-0

    JOHNSON CONTROLS

    METASYS

    MS-VMA1620-0

    DISCONTINUED BY MANUFACTURER, VARIABLE AIR VOLUME CONTROLLER/ACTUATOR, 24 VAC, 2.5 AMPS POWER IN, 0.5 AMPS OUTPUT, CLASS 2, TERMIALS POWER LIMITED, 35 INCH-POUND 60 SECONDS, MANUAL OVERRIDE, ...
    ✓ IN STOCK!
    Buy Surplus As Low As $535.00
    $535.00
    Repair Yours $380.00
    UNITED TECHNOLOGIES CEPL130256-01

    UNITED TECHNOLOGIES

    CARRIER

    CEPL130256-01

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, 9VAC, 500MA
    ✓ IN STOCK!
    Buy Surplus As Low As $162.00
    $162.00
    Repair Yours $200.00
    KMC CONTROLS XEC-3004

    KMC CONTROLS

    XEC-3004

    TRANSDUCER MODULE ONLY, E-P / I-P, WITH MANUAL OVERRIDE, INITIATED BY MOVING A JUMPER, ADJUSTING A POTENTIOMETER, USED IN HVAC SYSTEMS
    ✓ IN STOCK!
    $198.29 Buy Surplus As Low As $118.97
    $118.97
    UNITED TECHNOLOGIES CESO110057-02

    UNITED TECHNOLOGIES

    CARRIER

    CESO110057-02

    CONTROL BOARD, FURNACE CONTROL BOARD, 8.7 X 9.55 X 2.9 INCHES
    ✓ IN STOCK!
    $339.00 Buy Surplus As Low As $225.00
    $225.00
    UNITED TECHNOLOGIES CESO130007-00

    UNITED TECHNOLOGIES

    CARRIER

    CESO130007-00

    CIRCUIT BOARD
    $253.00 Buy Surplus As Low As $152.00
    $152.00
    UNITED TECHNOLOGIES HH63AW001

    UNITED TECHNOLOGIES

    CARRIER

    HH63AW001

    ECONOMIZER CONTROLLER, DCV, ALL INPUTS CLASS 2, 24 VAC
    $345.00 Buy Surplus As Low As $207.00
    $207.00
    Repair Yours $200.00
    UNITED TECHNOLOGIES LH660011

    UNITED TECHNOLOGIES

    CARRIER

    LH660011

    IGNITION CONTROL BOARD
    $446.00 Buy Surplus As Low As $268.00
    $268.00
    GOODMAN 20293901

    GOODMAN

    AMANA HAC

    20293901

    DEFROST CNTL BOARD KIT
    $182.00 Buy Surplus As Low As $110.00
    $110.00
    GOODMAN PCBEM102S

    GOODMAN

    AMANA HAC

    PCBEM102S

    CIRCUIT BOARD
    ✓ IN STOCK!
    $61.20 Buy Surplus As Low As $46.51
    $46.51
    GOODMAN 20158901

    GOODMAN

    AMANA HAC

    20158901

    INTERFACE BOARD
    $725.00 Buy Surplus As Low As $435.00
    $435.00
    WEIL MCLAIN 511-330-088

    WEIL MCLAIN

    511-330-088

    INTEGRATED BOILER, CONTROL BOARD ONLY
    $310.00 Buy Surplus As Low As $187.00
    $187.00
    LENNOX 46K65

    LENNOX

    46K65

    BLOWER CONTROL BOARD
    $257.00 Buy Surplus As Low As $155.00
    $155.00
    LENNOX 39M84

    LENNOX

    39M84

    FAN CONTROL BOARD
    ✓ IN STOCK!
    $546.00 Buy Surplus As Low As $328.00
    $328.00
    REZNOR 213581

    REZNOR

    213581

    SPEED CONTROLLER 230/60
    $951.00 Buy Surplus As Low As $571.00
    $571.00
    LENNOX 56M61

    LENNOX

    56M61

    CIRCUIT BOARD, IGNITION CONTROL
    ✓ IN STOCK!
    $437.00 Buy Surplus As Low As $263.00
    $263.00
    LENNOX 92X30

    LENNOX

    92X30

    INTERMT PILOT IGN CONTROL BRD
    $292.00 Buy Surplus As Low As $176.00
    $176.00
    LENNOX 49W66

    LENNOX

    49W66

    IGNITION CONTROL BOARD, 24 VAC, 60 HZ, -40 DEGREE F - 176 DEGREE F, RAJAH TERMINAL, 8 SECOND TRIAL FOR IGNITION, 30 SECOND NOM PRE-PURGE
    ✓ IN STOCK!
    $290.00 Buy Surplus As Low As $174.00
    $174.00
    LENNOX 10W57

    LENNOX

    10W57

    CIRCUIT BOARD
    ✓ IN STOCK!
    $172.00 Buy Surplus As Low As $104.00
    $104.00
    LENNOX 40K82

    LENNOX

    40K82

    CONTROL BOARD BDC3-1
    ✓ IN STOCK!
    $66.00 Buy Surplus As Low As $40.00
    $40.00
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