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    SIEMENS 538-670

    SIEMENS

    SIEMENS INDUSTRY

    538-670

    TRUNK INTERFACE II, SMOKE CONTROL SYSTEM EQUIPMENT, 115 VAC, 60 HZ, 6W POWER SUPPLY
    CAN$1,902.09 Buy Surplus As Low As CAN$851.50
    CAN$851.50
    Repair Yours Contact Us
    SIEMENS 538-735

    SIEMENS

    LANDIS & GYR

    538-735

    DISCONTINUED BY MANUFACTURER, FIBER OPTIC TRUNK INTERFACE, SUPPLY VOLTAGE 5-12 VDC, TX1 AND RX1 CONNECTORS, LED NOTIFICATION POWER/TX1/RX1 OPERATION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$967.92
    CAN$967.92
    Repair Yours Contact Us
    SIEMENS 538-740

    SIEMENS

    LANDIS & GYR

    538-740

    DISCONTINUED BY MANUFACTURER, DUAL FIBER OPTIC TRUNK INTERFACE, SMOKE CONTROL SYSTEM EQUIPMENT, 6-12VDC, OPERATING TEMP 0-50C
    Buy Surplus As Low As CAN$873.09
    CAN$873.09
    Repair Yours Contact Us
    SIEMENS 538-893

    SIEMENS

    LANDIS & GYR

    538-893

    SENSOR ELECTRONIC RELATIVE HUMIDITY DUCT
    Buy Surplus As Low As CAN$531.72
    CAN$531.72
    Repair Yours Contact Us
    SIEMENS 538-922

    SIEMENS

    LANDIS & GYR

    538-922

    ETHERNET MICROSERVER MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$237.17
    CAN$237.17
    Repair Yours Contact Us
    SIEMENS 538-955

    SIEMENS

    LANDIS & GYR

    538-955

    TRUNK ISOLATOR/EXTENDER HIGH SPEED 115VAC
    ✓ IN STOCK!
    CAN$837.30 Buy Surplus As Low As CAN$353.21
    CAN$353.21
    Repair Yours Contact Us
    SIEMENS 540-103N

    SIEMENS

    LANDIS & GYR

    540-103N

    VAV TEC CONTROLLER, OPERATING RANGE 19.2 TO 27.6 VAC 50 OR 60 HZ, OUTPUT 6 DO 24 VAC OPTICALLY ISOLATED SOLID STATE SWITCHES @ 0.5 AMP***NON-RETURNABLE NON-CANCELABLE SPECIAL ORDER***
    ✓ IN STOCK!
    CAN$1,509.83 Buy Surplus As Low As CAN$570.21
    CAN$570.21
    Repair Yours Contact Us
    SIEMENS 540-104

    SIEMENS

    LANDIS & GYR

    540-104

    DISCONTINUED BY MANUFACTURER, CONSTANT VOLUME CONTROLLER, W/ AUTO ZERO INPUT, 24VAC, 32-122DEG F, 10-95% RELATIVE HUMIDITY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,021.23
    CAN$2,021.23
    Repair Yours Contact Us
    SIEMENS 540-105

    SIEMENS

    LANDIS & GYR

    540-105

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, SYSTEM 600, SINGLE STAGE, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$721.73
    CAN$721.73
    Repair Yours Contact Us
    SIEMENS 540-120

    SIEMENS

    LANDIS & GYR

    540-120

    TERMINAL EQUIPMENT CONTROLLER RTS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$57.50
    CAN$57.50
    Repair Yours Contact Us
    SIEMENS 540-121

    SIEMENS

    LANDIS & GYR

    540-121

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, ROOM TEMPERATURE SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$184.29
    CAN$184.29
    SIEMENS 540-122

    SIEMENS

    LANDIS & GYR

    540-122

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, TERMINAL EQUIPMENT CONTROLLER, WITH FAHRENHEIT INDICATION, SETPOINT DIAL, DI SWITCH, REPLACED BY QAA2280.FWSC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$189.29
    CAN$189.29
    Repair Yours Contact Us
    SIEMENS 540-147

    SIEMENS

    LANDIS & GYR

    540-147

    DISCONTINUED BY MANUFACTURER, TERMINAL EQUIPMENT CONTROLLER RELAY MODULE
    Buy Surplus As Low As CAN$249.75
    CAN$249.75
    Repair Yours Contact Us
    SIEMENS 540-160

    SIEMENS

    LANDIS & GYR

    540-160

    SIEMENS, LANDIS & GYR, 540-160, 540160, POWERS, SYSTEM 600, VENT CONTROLLER UNIT, 115/230VAC, 60HZ, .25AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$181.34
    CAN$181.34
    Repair Yours Contact Us
    SIEMENS 540-205

    SIEMENS

    LANDIS & GYR

    540-205

    DISCONTINUED BY MANUFACTURER, UNIT VENT CONTROLLER, 0-10VDC, NO REPLACEMENT
    Buy Surplus As Low As CAN$818.94
    CAN$818.94
    Repair Yours Contact Us
    SIEMENS 540-245

    SIEMENS

    LANDIS & GYR

    540-245

    DISCONTINUED BY MANUFACTURER, AVERAGING TEMPERATURE SENSOR ASSEMBLY, 3 FT, 100K OHM THERMISTOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$46.77
    CAN$46.77
    SIEMENS 540-380

    SIEMENS

    540-380

    DISCONTINUED BY MANUFACTURER, AUTOZERO MODULE, TEC TERMINAL, INSTALLATION KIT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$209.43
    CAN$209.43
    SIEMENS 540-400

    SIEMENS

    LANDIS & GYR

    540-400

    DISCONTINUED BY MANUFACTURER, VENT CONTROLLER UNIT
    Buy Surplus As Low As CAN$609.85
    CAN$609.85
    Repair Yours Contact Us
    SIEMENS 540-506

    SIEMENS

    LANDIS & GYR

    540-506

    DISCONTINUED BY MANUFACTURER, DUAL DUCT CONTROLLER, APOGEE AUTOMATION, 2 AIR VELOCITY SENSOR, 12 VA MAX, 24 VAC, ELEC OUT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,099.68
    CAN$1,099.68
    Repair Yours Contact Us
    SIEMENS 540-511A

    SIEMENS

    LANDIS & GYR

    540-511A

    HVAC CONTROL SYSTEM, CLASS 2, 24VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$363.01
    CAN$363.01
    Repair Yours Contact Us
    SIEMENS 540-516

    SIEMENS

    LANDIS & GYR

    540-516

    DISCONTINUED BY MANUFACTURER, ROOM PRESSURIZATION CONTROLLER, APOGEE, REPLACED BY 540-517
    Buy Surplus As Low As CAN$1,742.44
    CAN$1,742.44
    Repair Yours Contact Us
    SIEMENS 540-650B

    SIEMENS

    LANDIS & GYR

    540-650B

    ROOM TEMPERATURE SENSOR, SERIES 2000, INTERACTIVE, WHITE LCD DISPLAY, TEC, DIGITAL SET POINT ADJUSTMENT
    ✓ IN STOCK!
    CAN$844.63 Buy Surplus As Low As CAN$472.32
    CAN$472.32
    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 CAN$274.91
    CAN$274.91
    Repair Yours Contact Us
    SIEMENS 540-664B

    SIEMENS

    LANDIS & GYR

    540-664B

    ELECTRONIC ROOM SENSOR, WHITE, THERMISTOR, SETPOINT ADJUSTMENT
    Buy Surplus As Low As CAN$229.61
    CAN$229.61
    Repair Yours Contact Us
    SIEMENS 540-672CB

    SIEMENS

    LANDIS & GYR

    540-672CB

    ROOM TEMPERATURE SENSOR 10KOHM THERMISTOR 55-95F
    ✓ IN STOCK!
    CAN$277.18 Buy Surplus As Low As CAN$198.77
    CAN$198.77
    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 CAN$191.67
    CAN$191.67
    Repair Yours Contact Us
    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 CAN$302.11
    CAN$302.11
    Repair Yours Contact Us
    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 CAN$712.45
    CAN$712.45
    Repair Yours Contact Us
    SIEMENS 540-830

    SIEMENS

    LANDIS & GYR

    540-830

    DISCONTINUED BY MANUFACTURER, VENTILATION CONTROLLER, W/HUMIDITY, 1-10V UNIT
    Buy Surplus As Low As CAN$967.92
    CAN$967.92
    Repair Yours Contact Us
    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 CAN$360.76
    CAN$360.76
    Repair Yours Contact Us
    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 CAN$688.67
    CAN$688.67
    Repair Yours Contact Us
    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 CAN$871.22
    CAN$871.22
    Repair Yours Contact Us
    SIEMENS 541-351

    SIEMENS

    LANDIS & GYR

    541-351

    CONTROLLER BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$128.30
    CAN$128.30
    Repair Yours Contact Us
    SIEMENS 544-110

    SIEMENS

    LANDIS & GYR

    544-110

    DISCONTINUED BY MANUFACTURER, PROCESSOR CARD, FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$253.10
    CAN$253.10
    Repair Yours Contact Us
    SIEMENS 544-112

    SIEMENS

    LANDIS & GYR

    544-112

    BACKPLANE CONTROLLER ASSEMBLY
    Buy Surplus As Low As CAN$522.73
    CAN$522.73
    Repair Yours Contact Us
    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 CAN$320.56
    CAN$320.56
    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 CAN$761.57
    CAN$761.57
    Repair Yours Contact Us
    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 CAN$654.07
    CAN$654.07
    Repair Yours Contact Us
    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!
    CAN$156.60 Buy Surplus As Low As CAN$66.10
    CAN$66.10
    SIEMENS 544-342

    SIEMENS

    LANDIS & GYR

    544-342

    **** PROBE LENGTH REQUIRED*****TEMPERATURE DUCT SENSOR
    Buy Surplus As Low As CAN$161.18
    CAN$161.18
    Repair Yours Contact Us
    SIEMENS 544-342-24

    SIEMENS

    SIEMENS INDUSTRY

    544-342-24

    DUCT AV. TMP, 1K OHM, PT(375), 24', FLEX
    ✓ IN STOCK!
    CAN$227.97 Buy Surplus As Low As CAN$182.96
    CAN$182.96
    SIEMENS 544-343

    SIEMENS

    LANDIS & GYR

    544-343

    DUCT SENSOR 1000OHM PLATINUM RTD INPUT 18IN/PROBE
    ✓ IN STOCK!
    CAN$138.52 Buy Surplus As Low As CAN$68.29
    CAN$68.29
    Repair Yours Contact Us
    SIEMENS 544-381

    SIEMENS

    LANDIS & GYR

    544-381

    BACKPLANE BOARD FOR UNITARY CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$517.45
    CAN$517.45
    Repair Yours Contact Us
    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 CAN$63.89
    CAN$63.89
    Repair Yours Contact Us
    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 CAN$285.44
    CAN$285.44
    Repair Yours Contact Us
    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 CAN$62.93
    CAN$62.93
    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 CAN$448.63
    CAN$448.63
    SIEMENS 544-760B

    SIEMENS

    LANDIS & GYR

    544-760B

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, WHITE, REPLACED BY QAA2212.EWSN OR QAA2212.EWNN
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$179.76
    CAN$179.76
    Repair Yours Contact Us
    SIEMENS 544-770B

    SIEMENS

    LANDIS & GYR

    544-770B

    TEMPERATURE SENSORE, OVERRIDE AND SETPOINT, 18-22AWG
    ✓ IN STOCK!
    CAN$495.98 Buy Surplus As Low As CAN$296.34
    CAN$296.34
    Repair Yours Contact Us
    SIEMENS 544-780FA

    SIEMENS

    LANDIS & GYR

    544-780FA

    DISCONTINUED BY MANUFACTURER, ROOM TEMP SENSOR, WITH OVERRIDE, SETPOINT (BEIGE), LED DISPLAY, REPLACED BY QAA2212.FWSN
    Buy Surplus As Low As CAN$678.23
    CAN$678.23
    Repair Yours Contact Us
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