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    SIEMENS 540-662B

    SIEMENS

    LANDIS & GYR

    540-662B

    DISCONTINUED BY MANUFACTURER 01/06/2023, ROOM TEMPERATURE SENSOR, ELECTRONIC, W/OVRD, WHITE
    Buy Surplus As Low As $189.33
    $189.33
    Repair Yours $300.00
    SIEMENS 540-664A

    SIEMENS

    LANDIS & GYR

    540-664A

    ROOM TEMPERATURE SENSOR W/STPT BEIGE
    Buy Surplus As Low As $144.00
    $144.00
    Repair Yours $300.00
    SIEMENS 540-664B

    SIEMENS

    LANDIS & GYR

    540-664B

    ELECTRONIC ROOM SENSOR, WHITE, THERMISTOR, SETPOINT ADJUSTMENT
    Buy Surplus As Low As $158.13
    $158.13
    Repair Yours $300.00
    SIEMENS 540-666FA

    SIEMENS

    LANDIS & GYR

    540-666FA

    ROOM TEMPERATURE SENSOR W/IND
    $165.00 Buy Surplus As Low As $99.00
    $99.00
    Repair Yours $300.00
    SIEMENS 540-666FB

    SIEMENS

    LANDIS & GYR

    540-666FB

    ROOM TEMPERATURE SENSOR W/IND
    $165.00 Buy Surplus As Low As $99.00
    $99.00
    Repair Yours $300.00
    SIEMENS 540-672CA

    SIEMENS

    LANDIS & GYR

    540-672CA

    ROOM TEMPERATURE SENSOR W/STPT
    $165.00 Buy Surplus As Low As $99.00
    $99.00
    Repair Yours $300.00
    SIEMENS 540-672CB

    SIEMENS

    LANDIS & GYR

    540-672CB

    ROOM TEMPERATURE SENSOR 10KOHM THERMISTOR 55-95F
    ✓ IN STOCK!
    $190.89 Buy Surplus As Low As $176.00
    $176.00
    Repair Yours Contact Us
    SIEMENS 540-672FA

    SIEMENS

    LANDIS & GYR

    540-672FA

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR 10KOHM THERMISTOR 55-95F
    Buy Surplus As Low As $132.00
    $132.00
    Repair Yours $300.00
    SIEMENS 540-672FB

    SIEMENS

    LANDIS & GYR

    540-672FB

    ROOM TEMPERATURE SENSOR-W/OVRD
    $170.00 Buy Surplus As Low As $102.00
    $102.00
    Repair Yours $300.00
    SIEMENS 540-676FA

    SIEMENS

    LANDIS & GYR

    540-676FA

    ROOM TEMPERATURE SENSOR-W/STPT
    Buy Surplus As Low As $192.00
    $192.00
    Repair Yours $300.00
    SIEMENS 540-676FB

    SIEMENS

    LANDIS & GYR

    540-676FB

    SIEMENS, SENSOR, ROOM TEMPERATURE,3-11/32IN HIGH, 2-1/2IN WIDE, 1-1/2IN DEEP, 55-95F, 13-35C, W/SETPOINT, DIGITAL TEMP. DISPLAY, WHITE,
    Buy Surplus As Low As $208.06
    $208.06
    Repair Yours $300.00
    SIEMENS 540-717

    SIEMENS

    LANDIS & GYR

    540-717

    PRESSURE CONTROLLER W/AUTOZERO
    $3,286.00 Buy Surplus As Low As $1,972.00
    $1,972.00
    Repair Yours $1,643.00
    SIEMENS 540-800

    SIEMENS

    LANDIS & GYR

    540-800

    DISCONTINUED BY MANUFACTURER, TERMINAL BOX CONTROLLER, FLUSH MOUNT ROOM SENSOR, 10K OHM
    Buy Surplus As Low As $490.66
    $490.66
    Repair Yours $448.02
    SIEMENS 540-830

    SIEMENS

    LANDIS & GYR

    540-830

    DISCONTINUED BY MANUFACTURER, VENTILATION CONTROLLER, W/HUMIDITY, 1-10V UNIT
    Buy Surplus As Low As $666.60
    $666.60
    Repair Yours $548.00
    SIEMENS 540-837

    SIEMENS

    LANDIS & GYR

    540-837

    HEAT PUMP HUMIDITY CONTROLLER
    Buy Surplus As Low As $750.00
    $750.00
    Repair Yours $640.00
    SIEMENS 540-841

    SIEMENS

    LANDIS & GYR

    540-841

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, 24VAC, 0-10 V SEQUENCE
    Buy Surplus As Low As $625.22
    $625.22
    Repair Yours $475.00
    SIEMENS 540-844

    SIEMENS

    LANDIS & GYR

    540-844

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, HUMIDITY VAV, W/CO2 MONITORING, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $276.05
    $276.05
    Repair Yours $300.00
    SIEMENS 540-847

    SIEMENS

    LANDIS & GYR

    540-847

    HEAT PUMP HUMIDITY CONTROLLER
    Buy Surplus As Low As $234.07
    $234.07
    Repair Yours $300.00
    SIEMENS 540-863

    SIEMENS

    LANDIS & GYR

    540-863

    DISCONTINUED BY MANUFACTURER, AIR HANDLING UNIT CONTROLLER, 28 TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As $662.67
    $662.67
    Repair Yours $552.15
    SIEMENS 540863A

    SIEMENS

    LANDIS & GYR

    540863A

    DISCONTINUED BY MANUFACTURER, TERMINAL EQUIPMENT CONTROLLER, APOGEE SERIES, SMALL POINT AHU, 24 VAC, 50/60 HZ, 84 VA MAX, FOR VARIABLE AIR VOLUME TERMINAL BOX APPLICATIONS
    Buy Surplus As Low As $673.67
    $673.67
    Repair Yours $490.00
    SIEMENS 540-863B

    SIEMENS

    LANDIS & GYR

    540-863B

    DISCONTINUED BY MANUFACTURER, AIR HANDLING UNIT CONTROLLER, UNIT VENT CONTROLLER, 28 TERMINAL, MIXED AIR CONTROL
    Buy Surplus As Low As $600.00
    $600.00
    SIEMENS 540-863C

    SIEMENS

    LANDIS & GYR

    540-863C

    DISCONTINUED BY MANUFACTURER, AIR HANDLING UNIT CONTROLLER, UNIT VENT CONTROLLER, 28 TERMINAL, MIXED AIR CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As $474.28
    $474.28
    Repair Yours $441.10
    SIEMENS 540-863L

    SIEMENS

    LANDIS & GYR

    540-863L

    DISCONTINUED BY MANUFACTURER, AIR HANDLING UNIT CONTROLLER, 24 VAC, 50/60 HZ
    Buy Surplus As Low As $515.10
    $515.10
    Repair Yours $415.00
    SIEMENS 540-863LN

    SIEMENS

    LANDIS & GYR

    540-863LN

    DISCONTINUED BY MANUFACTURER, AIR HANDLING UNIT CONTROLLER, 24 VAC, 50/60 HZ
    Buy Surplus As Low As $530.55
    $530.55
    Repair Yours $415.00
    SIEMENS 540-865A

    SIEMENS

    LANDIS & GYR

    540-865A

    DISCONTINUED BY MANUFACTURER, TERMINAL EQUIPMENT CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $450.00
    $450.00
    Repair Yours $374.00
    SIEMENS 540-865D

    SIEMENS

    LANDIS & GYR

    540-865D

    DISCONTINUED BY MANUFACTURER, TEC VAV CONTROLLER, 24 VAC, TERMINAL BOX
    ✓ IN STOCK!
    Buy Surplus As Low As $420.00
    $420.00
    Repair Yours $349.00
    SIEMENS 540-865DN

    SIEMENS

    LANDIS & GYR

    540-865DN

    DISCONTINUED BY MANUFACTURER, TEC TERMINAL BOX CONTROLLER, WITH SERIES FAN, 3-STAGE ELECTRIC HEAT CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    SIEMENS 540-865E

    SIEMENS

    LANDIS & GYR

    540-865E

    TERMINAL EQUIPMENT CONTROLLER, 28 POSITION TERMINAL, 2X 3 POSITION TERMINALS, 24 V
    Buy Surplus As Low As $442.13
    $442.13
    Repair Yours $349.00
    SIEMENS 540-865EN

    SIEMENS

    LANDIS & GYR

    540-865EN

    DISCONTINUED BY MANUFACTURER, TEC VAV W/0-10 V REHEAT CONTROL, HEAT MODULATION & CO2 MONITORING CONTROLLER, 24 VAC INPUT, 50/60 HZ, FLN 1/8 LOAD, 12 VA MAX OUTPUT EACH OUTPUT, 84 VA MAX TOTA ...
    Buy Surplus As Low As $442.13
    $442.13
    Repair Yours $349.00
    SIEMENS 540-865F

    SIEMENS

    LANDIS & GYR

    540-865F

    DISCONTINUED BY MANUFACTURER, TERMINAL EQUIPMENT CONTROLLER, 24VAC, 50/60HZ, NO REPLACEMENT
    Buy Surplus As Low As $394.27
    $394.27
    Repair Yours $356.00
    SIEMENS 541-305

    SIEMENS

    LANDIS & GYR

    541-305

    TEMPERATURE SENSOR REPAIR KIT
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    SIEMENS 541-351

    SIEMENS

    LANDIS & GYR

    541-351

    CONTROLLER BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $382.95
    $382.95
    Repair Yours $300.00
    SIEMENS 544-040

    SIEMENS

    LANDIS & GYR

    544-040

    PC MODULE POWER DISTRIBUTION
    Buy Surplus As Low As $630.00
    $630.00
    Repair Yours $540.00
    SIEMENS 544-110

    SIEMENS

    LANDIS & GYR

    544-110

    DISCONTINUED BY MANUFACTURER, PROCESSOR CARD, FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $527.74
    $527.74
    Repair Yours $460.04
    SIEMENS 544-112

    SIEMENS

    LANDIS & GYR

    544-112

    BACKPLANE CONTROLLER ASSEMBLY
    Buy Surplus As Low As $360.00
    $360.00
    Repair Yours $300.00
    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 $337.48
    $337.48
    SIEMENS 544-180

    SIEMENS

    LANDIS & GYR

    544-180

    DISCONTINUED BY MANUFACTURER, POWER SUPPLY, FOR POWERS SYSTEM 600, UNITARY CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As $499.51
    $499.51
    Repair Yours $398.78
    SIEMENS 544-196

    SIEMENS

    LANDIS & GYR

    544-196

    TRANSDUCER ELECTRIC-PNEUMATIC PXP2
    Buy Surplus As Low As $294.00
    $294.00
    SIEMENS 544-198

    SIEMENS

    LANDIS & GYR

    544-198

    TRANSDUCER ELECTRIC PNEUMATIC
    Buy Surplus As Low As $360.00
    $360.00
    Repair Yours $300.00
    SIEMENS 544-300

    SIEMENS

    LANDIS & GYR

    544-300

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR RTD 40/120F
    Buy Surplus As Low As $75.00
    $75.00
    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 $594.00
    $594.00
    Repair Yours $548.00
    SIEMENS 544-331

    SIEMENS

    LANDIS & GYR

    544-331

    CONTROLLER CARD UNITARY CAGE ASSEMBLY
    Buy Surplus As Low As $2,490.00
    $2,490.00
    Repair Yours $2,100.00
    SIEMENS 544-339

    SIEMENS

    LANDIS & GYR

    544-339

    DUCT TEMPERATURE SENSOR, POINT TYPE, -40 TO 18F MEASURING RANGE, 18IN (RIGID) PROBE LENGTH, 1K PT RTD (375A)
    ✓ IN STOCK!
    $107.85 Buy Surplus As Low As $45.52
    $45.52
    SIEMENS 544-342

    SIEMENS

    LANDIS & GYR

    544-342

    **** PROBE LENGTH REQUIRED*****TEMPERATURE DUCT SENSOR
    Buy Surplus As Low As $111.00
    $111.00
    Repair Yours $300.00
    SIEMENS 544-343

    SIEMENS

    LANDIS & GYR

    544-343

    DUCT SENSOR 1000OHM PLATINUM RTD INPUT 18IN/PROBE
    ✓ IN STOCK!
    $95.40 Buy Surplus As Low As $47.57
    $47.57
    Repair Yours $300.00
    SIEMENS 544-381

    SIEMENS

    LANDIS & GYR

    544-381

    BACKPLANE BOARD FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $662.73
    $662.73
    Repair Yours $550.07
    SIEMENS 544-449

    SIEMENS

    LANDIS & GYR

    544-449

    DISCONTINUED BY MANUFACTURER, ENCLOSURE ASSEMBLY, POWERS SYS 600, UNITARY CONTROL
    ✓ IN STOCK!
    Buy Surplus As Low As $250.63
    $250.63
    Repair Yours $300.00
    SIEMENS 544-550

    SIEMENS

    LANDIS & GYR

    544-550

    DISCONTINUED BY MANUFACTURER, CONTROLLER, UNITARY POWER SYSTEM 600, W/ KEYPAD, 24VAC, 60HZ, 2 AMP, CLASS 2
    ✓ IN STOCK!
    Buy Surplus As Low As $196.58
    $196.58
    Repair Yours $300.00
    SIEMENS 544-577

    SIEMENS

    LANDIS & GYR

    544-577

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, RTD, 1000OHM, PLATINUM -40-240F
    ✓ IN STOCK!
    Buy Surplus As Low As $43.34
    $43.34
    SIEMENS 544-760A

    SIEMENS

    LANDIS & GYR

    544-760A

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, BEIGE, 55F TO 95F (13C TO 35C), REPLACED BY QAA2212.EWSN
    Buy Surplus As Low As $308.97
    $308.97
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