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    SIEMENS 544-339-18

    SIEMENS

    SIEMENS INDUSTRY

    544-339-18

    TEMPERATURE DUCT SENSOR, PT 1K OHM, 18" PROBE, MEASURING RANGE: -40 TO 180 DEG F
    ✓ IN STOCK!
    $59.00 Buy New $59.00
    $36.00
    SIEMENS 587-691

    SIEMENS

    STAEFA CONTROL SYS

    587-691

    DISCONTINUED BY MANUFACTURER, DUCT POINT TEMPERATURE, SENSOR, 10K OHM
    ✓ IN STOCK!
    $21.60 Buy Surplus As Low As $16.42
    $16.42
    SIEMENS QPA63.1

    SIEMENS

    LANDIS & GYR

    QPA63.1

    AIR QUALITY SENSORS, POWER SUPPLY: 24 VAC, OUTPUT SIGNAL: 0-10VDC, SENSOR: CO2 / COV, MOUNTING: ROOM, PROTECTION CLASS: IP30 / IP54
    ✓ IN STOCK!
    Buy Surplus As Low As $656.64
    $656.64
    Repair Yours $430.27
    SIEMENS QAM1035.008P-EACH

    SIEMENS

    LANDIS & GYR

    QAM1035.008P-EACH

    DUCT TEMP SENSOR, 100K OHM THERMISTOR, FOR TEC COMMISSIONING ONLY, PRICE/EACH
    ✓ IN STOCK!
    $27.00 Buy Surplus As Low As $18.00
    $18.00
    SIEMENS QBM3020-5

    SIEMENS

    QBM3020-5

    AIR DUCT DIFFERENTIAL PRESSURE SENSOR, MEASURING RANGE: 0...500 PA, 0-10V OUTPUT, (S55720-S236)
    ✓ IN STOCK!
    $403.03 Buy Surplus As Low As $241.82
    $241.82
    SIEMENS TT-531-K

    SIEMENS

    LANDIS & STAEFA

    TT-531-K

    DISCONTINUED BY MANUFACTURER, AIR SENSOR, STA 1
    ✓ IN STOCK!
    Buy Surplus As Low As $42.25
    $42.25
    SIEMENS 587-182

    SIEMENS

    STAEFA CONTROL SYS

    587-182

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, 10000OHM
    ✓ IN STOCK!
    Buy Surplus As Low As $79.00 $37.50
    $79.00 $37.50
    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 $72.50
    $72.50
    Repair Yours Contact Us
    SIEMENS QBM3020-10

    SIEMENS

    QBM3020-10

    AIR DUCT DIFFERENTIAL PRESSURE SENSOR, MEASURING RANGE: 0....1000 PA, INPUT: 13.5-33 VDC/24 VAC, OUT: 0....10V, (S55720-S237)
    ✓ IN STOCK!
    $403.03 Buy Surplus As Low As $205.54
    $205.54
    SIEMENS QFM2140

    SIEMENS

    STAEFA CONTROL SYS

    QFM2140

    DISCONTINUED BY MANUFACTURER, DUCT SENSOR, 24 VAC/13.5-35 VDC, SCREW TERMINALS, 0-10 VDC SIGNAL OUTPUT, 90-154 MM IMMERSION LENGTH, FLANGE FIXING, -35 TO 50 DEGREE C, IP54
    ✓ IN STOCK!
    Buy Surplus As Low As $296.22
    $296.22
    SIEMENS 500-649706FA

    SIEMENS

    FARADAY

    500-649706FA

    AIR DUCT HOUSING MODEL 8741
    $191.00 Buy Surplus As Low As $115.00
    $115.00
    SIEMENS 536-382

    SIEMENS

    SIEMENS INDUSTRY

    536-382

    AIR VELOCITY SENSOR 2PIPE 12IN
    $104.00 Buy New $104.00
    $60.00
    SIEMENS 544-342-8

    SIEMENS

    SIEMENS INDUSTRY

    544-342-8

    DUCT AVG. TMP, 1K OHM, PT(375), 8', FLEX
    $170.00 Buy New $170.00
    $99.00
    SIEMENS QFA3010.BU

    SIEMENS

    QFA3010.BU

    TEMPERATURE SENSOR
    Buy Surplus As Low As $528.00
    $528.00
    Repair Yours $440.00
    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 Contact Us
    SIEMENS 8MR3191-1CA

    SIEMENS

    8MR3191-1CA

    FILTER MATS FOR SERIES PF/PFAF SCHEME FILTER FAN BAUGROESSE 1F SCHEME PF 1000
    $9.96 Buy Surplus As Low As $5.97
    $5.97
    SIEMENS DI-B3H

    SIEMENS

    PYROTRONICS

    DI-B3H

    IONIZATION DETECTOR, FOR AIR DUCT, PLUG-IN, FOR 2 WIRE SYSTEM
    $350.00 Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    SIEMENS RNI-CAB-BRKT

    SIEMENS

    PYROTRONICS

    RNI-CAB-BRKT

    MOUNTS RNI IN CAB-1, CAB-2, CAB-3 ENCLOSURE
    $165.00 Buy Surplus As Low As $99.00
    $99.00
    SIEMENS FK-TP/200

    SIEMENS

    STAEFA CONTROL SYS

    FK-TP/200

    DISCONTINUED BY MANUFACTURER, DUCT TEMPERATURE SENSOR
    Buy Surplus As Low As $120.00
    $120.00
    Repair Yours Contact Us
    SIEMENS FKA-V2

    SIEMENS

    STAEFA CONTROL SYS

    FKA-V2

    DISCONTINUED BY MANUFACTURER, DUCT SENSOR, 24 VAC, 0-10 VDC, 0-15 M/S, DUCT MOUNTED, FOR AIR VELOCITY
    Buy Surplus As Low As $180.00
    $180.00
    SIEMENS 587-692

    SIEMENS

    587-692

    SIEMENS, 587-692, 587692, MODEL: 010516, OUTSIDE AIR TEMPERATURE SENSOR, 10K OHM THERMISTOR, 0 TO 120F AIR
    Buy Surplus As Low As $18.00
    $18.00
    Repair Yours Contact Us
    SIEMENS FKA-Q1/T1

    SIEMENS

    STAEFA CONTROL SYS

    FKA-Q1/T1

    DUCT TEMPERATURE SENSOR
    Buy Surplus As Low As $348.00
    $348.00
    SIEMENS FT-T1K1

    SIEMENS

    STAEFA CONTROL SYS

    FT-T1K1

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, AIR DUCT, 110 MM PROBE, PN10, 100MM, DISCONTINUED WITHOUT REPLACEMENT
    Buy Surplus As Low As $270.00
    $270.00
    Repair Yours $225.00
    SIEMENS S55720-S492

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S492

    QSM2162 - DUCT FINE DUST SENSOR PM, REL. HUMIDITY AND TEMPERATURE
    $560.00 Buy New $560.00
    $327.00
    SIEMENS 554-342-24

    SIEMENS

    554-342-24

    TEMPERATURE SENSOR, DUCT SERIES, BUILDING TECHNOLOGIES, FLEX AVER SENSOR, 1 KOHM PLATINUM RTD, 24 FT PROBE LENGTH
    $170.00 Buy Surplus As Low As $102.00
    $102.00
    SIEMENS BPZ:QPA2062D

    SIEMENS

    BPZ:QPA2062D

    QPA2062D - ROOM AIR QUALITY SENSOR CO<SUB>2</SUB>+TEMPERATURE+REL. AIR HUMIDITY WITH DISPLAY
    $918.90 Buy Surplus As Low As $552.15
    $552.15
    SIEMENS BPZ:QPA2002

    SIEMENS

    BPZ:QPA2002

    QPA2002 - ROOM AIR QUALITY SENSOR CO<SUB>2</SUB>+VOC
    $746.94 Buy Surplus As Low As $448.70
    $448.70
    SIEMENS BPZ:QPA2062

    SIEMENS

    BPZ:QPA2062

    QPA2062 - ROOM AIR QUALITY SENSOR CO<SUB>2</SUB>+TEMPERATURE+REL. AIR HUMIDITY
    $886.66 Buy Surplus As Low As $532.00
    $532.00
    SIEMENS S55720-S453

    SIEMENS

    S55720-S453

    QPA1004 - ROOM AIR QUALITY SENSOR CO<SUB>2 </SUB
    $323.77 Buy Surplus As Low As $194.80
    $194.80
    SIEMENS S55720-S575

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S575

    QNA2820D.US INDOOR AIR QUALITY MULTI-SENSOR LORA.US CERT
    $1,243.00 Buy New $1,243.00
    $726.00
    SIEMENS S55720-S574

    SIEMENS

    S55720-S574

    QNA2820D.EU - IAQ MULTI-SENSOR LORAWAN EU, RESET CERTIFIED
    $1,688.68 Buy Surplus As Low As $1,014.28
    $1,014.28
    SIEMENS 538-894

    SIEMENS

    LANDIS & GYR

    538-894

    HUMIDITY/TEMPERATURE DUCT SENSOR
    Buy Surplus As Low As $516.00
    $516.00
    Repair Yours $430.00
    SIEMENS 535-492

    SIEMENS

    LANDIS & GYR

    535-492

    DISCONTINUED BY MANUFACTURER, DUCT AVERAGING SENSOR, 24INCH, REPLACED BY 535-490-24
    Buy Surplus As Low As $150.00
    $150.00
    SIEMENS 500-649706

    SIEMENS

    PYROTRONICS

    500-649706

    DISCONTINUED BY MANUFACTURER, AIR DUCT MONITORING HOUSING, OPERATING TEMPERATURE RANGE / 32-100 DRGREE F, VELOCITY RANGE / 100-4000 FPM, 5 AMP, TUBE PRESSURE DIFFERENTIAL RANGE / .01-1.2 INC ...
    Buy Surplus As Low As $122.00
    $122.00
    SIEMENS 536-299

    SIEMENS

    LANDIS & GYR

    536-299

    DUCT HUMIDITY SENSOR
    Buy Surplus As Low As $168.00
    $168.00
    Repair Yours $200.00
    SIEMENS QVM62.1

    SIEMENS

    SIEMENS INDUSTRY

    QVM62.1

    AIR VELOCITY DUCT SENSOR, SENSOR AIR VELOCITY 0/3000FPM, 0-10 VDC
    $265.00 Buy New $265.00
    $114.00
    SIEMENS 8717

    SIEMENS

    FARADAY

    8717

    DISCONTINUED BY MANUFACTURER, AIR DUCT HOUSING, ALARM LED VISIBLE FROM FRONT, .63-2.64% PER FT, CLEAR COVER, WITH RELAY, USE FAR-8743
    Buy Surplus As Low As $84.00
    $84.00
    SIEMENS DA-3

    SIEMENS

    PYROTRONICS

    DA-3

    DISCONTINUED BY MANUFACTURER, AIR DUCT DETECTOR, 0-38DEG C, 500-4000FPM
    Buy Surplus As Low As $243.00
    $243.00
    SIEMENS DA-4

    SIEMENS

    PYROTRONICS

    DA-4

    DISCONTINUED BY MANUFACTURER, AIR DUCT DETECTOR
    Buy Surplus As Low As $360.00
    $360.00
    Repair Yours $300.00
    SIEMENS QFM-61

    SIEMENS

    ITE SIEMENS

    QFM-61

    DUCT SENSOR 24VAC 50/60HZ 2VA
    $225.50 Buy Surplus As Low As $113.00
    $113.00
    Repair Yours $200.00
    SIEMENS S55720-S458

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S458

    QSA2700D FINE DUST SENSOR +DISPLAY
    $481.00 Buy New $481.00
    $282.00
    SIEMENS S55720-S459

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S459

    AQS2700 FINE DUST SENSOR REPL. MODULE
    $254.00 Buy New $254.00
    $150.00
    SIEMENS S55720-S457

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S457

    QSA2700 FINE DUST SENSOR, 0-10V&MODBUS
    $422.00 Buy New $422.00
    $247.00
    SIEMENS S55720-S493

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S493

    AQS2100 FINE DUST SENSOR REPL. MODULE
    $238.00 Buy New $238.00
    $140.00
    SIEMENS S55720-S491

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S491

    QSM2100 FINE DUST SENSOR DUCT, 0-10V
    $432.00 Buy New $432.00
    $249.00
    SIEMENS AD2-XHR-RC

    SIEMENS

    AD2-XHR-RC

    DISCONTINUED BY MANUFACTURER, AIR-DUCT HOUSING, FOR USE WITH FP-11, HFP-11 AND HFPO-11, WITH RELAY, 500-649708, 32F-100F, NO ALTITUDE LIMITATIONS
    Buy Surplus As Low As $306.00
    $306.00
    Repair Yours $255.00
    SIEMENS S55720-S123

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S123

    QPM1100 DUCT SENSOR VOC
    $301.00 Buy New $301.00
    $176.00
    SIEMENS BPZ:QPA2000

    SIEMENS

    BPZ:QPA2000

    QPA2000 - ROOM AIR QUALITY SENSOR CO<SUB>2</SUB
    $623.35 Buy Surplus As Low As $374.82
    $374.82
    SIEMENS BPZ:QPA2060

    SIEMENS

    BPZ:QPA2060

    QPA2060 - ROOM AIR QUALITY SENSOR CO<SUB>2</SUB>+TEMPERATURE
    $721.42 Buy Surplus As Low As $433.93
    $433.93
    SIEMENS S55720-S572

    SIEMENS

    SIEMENS INDUSTRY

    S55720-S572

    QNA2700D.BA1 INDOOR AIR QUALITY MULTI-SENSOR BACIP CERT
    $1,197.00 Buy New $1,197.00
    $699.00
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