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    Results 251-300 of 998.
    SIEMENS AQF-3100

    SIEMENS

    SIEMENS INDUSTRY

    AQF-3100

    WEATHER SHIELD FOR QFA31XX SERIES HUMIDITY SENSORS (REQUIRED FOR OUTDOOR USE)
    ✓ IN STOCK!
    $425.36 Buy New $425.36
    $280.74
    SIEMENS 195-1000

    SIEMENS

    SIEMENS INDUSTRY

    195-1000

    INPUT RECEIVER-CONTROLLER, POWERS CONTROLS, POWERS RETROLINE, RANGE 3-15 PSI INPUT, RC195
    ✓ IN STOCK!
    $452.00 Buy New $452.00
    $330.72
    SIEMENS 192-842

    SIEMENS

    SIEMENS INDUSTRY

    192-842

    POWERS CONTROLS™, THERMOSTAT HARDWARE KIT, TH19X, COVER & BASE PLATE, WITH HARDWARE
    ✓ IN STOCK!
    $45.84 Buy New $45.84
    $27.50
    SIEMENS 291-05980

    SIEMENS

    SIEMENS INDUSTRY

    291-05980

    VALVE ASSY 2W NO 2-1/2IN. 63CV EQ PCT BRONZE TRIM FLANGED PROP EL-HYDRAUL ACT SR.
    ✓ IN STOCK!
    $2,718.16 Buy New $2,718.16
    $1,630.89
    SIEMENS 599-03167

    SIEMENS

    SIEMENS INDUSTRY

    599-03167

    FLOWRITE 1" 2-WAY VALVE, NO, 16 CV, EQUAL PERCENTAGE, BRASS TRIM, F×F, ANSI 250
    ✓ IN STOCK!
    $257.86 Buy New $257.86
    $195.98
    SIEMENS 147-2000

    SIEMENS

    SIEMENS INDUSTRY

    147-2000

    POSITIONING RELAY, PNEUMATIC POSITIVE, AIR,30 PSIG
    ✓ IN STOCK!
    $223.29 Buy New $223.29
    $133.97
    SIEMENS 599-01117

    SIEMENS

    SIEMENS INDUSTRY

    599-01117

    MZ SERIES 1/2" 2-WAY VALVE 0.63 CV, NO, MOD EQ PERCENT, BRASS, F×F, ANSI 250
    ✓ IN STOCK!
    $68.45 Buy New $68.45
    $52.02
    SIEMENS 333-572

    SIEMENS

    SIEMENS INDUSTRY

    333-572

    #6 DAMPER ACTUATOR STND ORANGE RUBBER DIAPHRAGM (5 PACK) REPLCS. 333-206
    ✓ IN STOCK!
    $377.00 Buy New $377.00
    $226.20
    SIEMENS 278-03078

    SIEMENS

    SIEMENS INDUSTRY

    278-03078

    VALVE ACTUATOR, 599 SERIES, HIGH-TEMP 8IN 10PSI, PIPE SIZE: 1.25 INCH, CONNECTION TYPE: THREADED, MAX CLOSE-OFF PRESSURE: 93 PSI, TWO-WAY, 10 PSI SPAN
    ✓ IN STOCK!
    $838.00 Buy New $838.00
    $539.89
    SIEMENS QAM1030.008P50

    SIEMENS

    SIEMENS INDUSTRY

    QAM1030.008P50

    DUCT TEMP SENSOR NTC 10K OHM TYPE 2 3IN. PROBE. COMMISSIONING ONLY 1=PACK OF 50.
    ✓ IN STOCK!
    $269.70 Buy New $269.70
    $202.28
    SIEMENS 544-342-16

    SIEMENS

    SIEMENS INDUSTRY

    544-342-16

    PROBE SENSOR, FLEXIBLE PROBE, DUCT TEMPERATURE SENSOR, -40 TO 180 DEG F, 1000 OHM, AVERAGING TYPE, 16' FLEXIBLE PROBE LENGTH
    ✓ IN STOCK!
    $150.47 Buy New $150.47
    $76.35
    SIEMENS 134-1084

    SIEMENS

    SIEMENS INDUSTRY

    134-1084

    ROOM TEMP THERMOSTAT, ELECTRIC LINE VOLTAGE, CONCEALED/EXPOSED, HEAT AND COOL
    ✓ IN STOCK!
    $298.33 Buy New $298.33
    $226.73
    Repair Yours $300.00
    SIEMENS QFM2120

    SIEMENS

    SIEMENS INDUSTRY

    QFM2120

    DUCT HUMIDITY & TEMPS SENSOR 0-10C LG-NI1000, DCT RH SNSR, 0-10V / NI 1K OHM @ 32F, 5%
    ✓ IN STOCK!
    $234.00 Buy New $234.00
    $178.00
    Repair Yours $300.00
    SIEMENS 908-052

    SIEMENS

    SIEMENS INDUSTRY

    908-052

    FILTER ELEMENT, POWERS CONTROLS, 0.01 MICRON REMOVAL RATING, REPLACEMENT PART
    ✓ IN STOCK!
    $167.76 Buy New $167.76
    $127.50
    SIEMENS 192-222

    SIEMENS

    SIEMENS INDUSTRY

    192-222

    POWERS CONTROL, ROOM THERMOSTAT, SINGLE SETPOINT, 7/30C 2 PIPE, DIRECT ACTING
    ✓ IN STOCK!
    $193.88 Buy New $193.88
    $116.33
    SIEMENS 544-781A

    SIEMENS

    SIEMENS INDUSTRY

    544-781A

    DISCONTINUED BY MANUFACTURER, REAR COVER MOUNTING KIT ACCESSORIES, BEIGE
    ✓ IN STOCK!
    Buy Surplus As Low As $8.15
    $8.15
    SIEMENS AQF-3150

    SIEMENS

    SIEMENS INDUSTRY

    AQF-3150

    SENSING ELEMENT, REPLACEMENT RH & T SENSING ELEMENT FOR QFA31XX AND QFM31XX SERIES SENSORS
    ✓ IN STOCK!
    $214.00 Buy New $214.00
    $142.00
    SIEMENS 5WG1117-2AB12

    SIEMENS

    SIEMENS INDUSTRY

    5WG1117-2AB12

    UP 117/12 - BUS TRANSCEIVER MODULES, MOUNTING DEPTH 18 MM
    ✓ IN STOCK!
    $72.00 Buy New $72.00
    $55.00
    SIEMENS GEB161.1U

    SIEMENS

    SIEMENS INDUSTRY

    GEB161.1U

    OPENAIR GEB SERIES ELECTRIC DAMPER ACTUATOR, ROTARY, NON-SPRING RETURN, 132 LB-IN (15 NM), 24 VAC/DC, 0 TO 10 VDC CONTROL, 125 SEC RUN TIME
    ✓ IN STOCK!
    $389.00 Buy New $389.00
    $234.00
    Repair Yours $300.00
    SIEMENS 259-02041

    SIEMENS

    SIEMENS INDUSTRY

    259-02041

    VALVE ASSY NO 1/2" 4.0CV, FXF BRASS TRIM ELECT ACT NSR FLOAT
    ✓ IN STOCK!
    $221.92 Buy New $221.92
    $133.15
    SIEMENS PPM-1U32.BPR

    SIEMENS

    SIEMENS INDUSTRY

    PPM-1U32.BPR

    POINT PICKUP MODULE, 6 POINT, DIGITAL
    ✓ IN STOCK!
    $503.00 Buy New $503.00
    $383.00
    Repair Yours $300.00
    SIEMENS 257-02041

    SIEMENS

    SIEMENS INDUSTRY

    257-02041

    MT SERIES 2W VALVE ASSY, ANSI 250, NO, MOD EQ PCT, 1/2", FXF, 4 CV, 3-8PSI SR
    ✓ IN STOCK!
    $162.45 Buy New $162.45
    $98.61
    SIEMENS 283-03206

    SIEMENS

    SIEMENS INDUSTRY

    283-03206

    2IN. NPT 3WAY MIX VALVE ASSY WITH PNEUMATIC ACTUATOR AND POS. REPLCS. 592-6650
    ✓ IN STOCK!
    $1,219.85 Buy New $1,219.85
    $731.91
    SIEMENS QBM81-3

    SIEMENS

    SIEMENS INDUSTRY

    QBM81-3

    PRESSURE SWITCH, DIFFERENTIAL, 0.8 - 8.0 INCH WC, ADJUSTABLE, METRIC
    ✓ IN STOCK!
    $77.50 Buy New $77.50
    $51.15
    SIEMENS GDE163.1P

    SIEMENS

    SIEMENS INDUSTRY

    GDE163.1P

    OPENAIR™ GDE SERIES ELECTRIC DAMPER ACTUATOR, ROTARY, NON-SPRING RETURN, 44 LB-IN (5 NM), 24 VAC, 0 TO 10VDC CONTROL, 90 SEC RUN TIME, ADJUSTABLE SPAN AND OFFSET, PLENUM RATED
    ✓ IN STOCK!
    $271.52 Buy New $271.52
    $162.91
    Repair Yours $300.00
    SIEMENS 599-03166

    SIEMENS

    SIEMENS INDUSTRY

    599-03166

    FLOWRITE 3/4" 2-WAY VALVE, NO, 6.3 CV, EQUAL PERCENT, BRASS TRIM, F×F, ANSI 250
    ✓ IN STOCK!
    $201.00 Buy New $201.00
    $121.26
    SIEMENS SFP71U

    SIEMENS

    SIEMENS INDUSTRY

    SFP71U

    ELECTRONIC VALVE ACTUATOR, SFP SERIES 2-POSITION NORMALLY OPEN, 24 VAC
    ✓ IN STOCK!
    $95.00 Buy New $95.00
    $57.00
    Repair Yours $300.00
    SIEMENS 599-03202

    SIEMENS

    SIEMENS INDUSTRY

    599-03202

    CONTROL VALVE, 3-WAY, 3/4" LINE SIZE, 6.3 CV FLOW RATE, PNEUMATIC OR ELECTRIC ACTUATORS, BRASS
    ✓ IN STOCK!
    $270.22 Buy New $270.22
    $162.13
    SIEMENS 536-767-25

    SIEMENS

    SIEMENS INDUSTRY

    536-767-25

    LIQUID IMMERSION TEMPERATURE SENSOR 100 OHM PLATINUM RTD 2.5-INCH PROBE REPLACES 533-378 & 536-767
    ✓ IN STOCK!
    $144.74 Buy New $144.74
    $86.84
    SIEMENS 188-0031

    SIEMENS

    SIEMENS INDUSTRY

    188-0031

    THERMOSTAT, PNEUMATIC, UNIT MOUNTED, DA, LIQUID FILLED BULB
    ✓ IN STOCK!
    $358.84 Buy New $358.84
    $272.72
    SIEMENS 599-01088

    SIEMENS

    SIEMENS INDUSTRY

    599-01088

    PNEUMATIC VALVE ACTUATOR, SERIES 599, 2 INCH VALVE ACTUATOR, 7/32 INCH STROKE, POWERMITE
    ✓ IN STOCK!
    $92.15 Buy New $92.15
    $55.29
    SIEMENS GGD121.1U

    SIEMENS

    SIEMENS INDUSTRY

    GGD121.1U

    DISCONTINUED BY MANUFACTURER, ACTUATOR, FIRE/SMOKE, SPRING RETURN, 24 VAC, 50/60 HZ, 150 VA RUNNING, 10 VA HOLIDING, ON/OFF CONTROL SIGNAL, 15 SECONDS DRIVE TIME, 15 SECONDS SPRING RETURN TI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $225.57
    $225.57
    Repair Yours $300.00
    SIEMENS SFA71U

    SIEMENS

    SIEMENS INDUSTRY

    SFA71U

    ZONE VALVE ACTUATOR, NC, 24V, ON/OFF, 2POS
    ✓ IN STOCK!
    $100.00 Buy New $100.00
    $56.79
    SIEMENS QFA3000.WU

    SIEMENS

    SIEMENS INDUSTRY

    QFA3000.WU

    DISCONTINUED BY MANUFACTURER, ROOM RELATIVE HUMIDITY SENSOR, WITH 2 PERCENT HUMIDITY SENSING ACCURACY AND 0 TO 10 VOLT DC SIGNAL OUTPUT, WHITE PLASTIC HOUSING WITHOUT LCD DISPLAY HAS A SIEME ...
    ✓ IN STOCK!
    Buy Surplus As Low As $676.96
    $676.96
    Repair Yours $484.51
    SIEMENS 141-0518

    SIEMENS

    SIEMENS INDUSTRY

    141-0518

    DIFFERENTIAL STATIC AIRFLOW SWITCH, 1 TO 12 INCH WC SETPOINT RANGE, 12 INCH +- 1.5 INCH WC SETPOINT ACCURACY, 0.6 TO 1.5 INCH WC SWITCHING DIFFERENTIAL, SPDT / AUTO RESET SWITCHING ACTION
    ✓ IN STOCK!
    $112.82 Buy New $112.82
    $85.74
    SIEMENS 599-01010

    SIEMENS

    SIEMENS INDUSTRY

    599-01010

    VALVE ACTUATOR, PNEUMATIC, 12-INCH, 5 PSI SPAN, 3/4 INCH STROKE, 1/4-INCH NPT
    ✓ IN STOCK!
    $1,399.95 Buy New $1,399.95
    $839.97
    SIEMENS 599-01061

    SIEMENS

    SIEMENS INDUSTRY

    599-01061

    8IN. DIAPHRAGM RED HI-TEMP FOR VALVE ACTUATOR REPLCS. 672-365
    ✓ IN STOCK!
    $75.55 Buy New $75.55
    $47.94
    SIEMENS 599-01110

    SIEMENS

    SIEMENS INDUSTRY

    599-01110

    MZ SERIES 1/2" 2-WAY VALVE 2.5CV, NC, MOD EQ PERCENT, BRASS TRIM, F×F, ANSI 250
    ✓ IN STOCK!
    $68.45 Buy New $68.45
    $45.18
    SIEMENS 540-680FB

    SIEMENS

    SIEMENS INDUSTRY

    540-680FB

    WHITE ELECTRONIC SENSOR REPLACES(540-672FB) ALSO GOOD SUB FOR QAA2280.FWNC BUT DIFFERENT COVER
    ✓ IN STOCK!
    $690.00 Buy New $690.00
    $395.12
    SIEMENS GCA166.1P

    SIEMENS

    SIEMENS INDUSTRY

    GCA166.1P

    ACTUATOR, SR 24VDC/AC, 160IN/LB, MEDIUM PLATINUM
    ✓ IN STOCK!
    $517.00 Buy New $517.00
    $393.00
    Repair Yours $247.15
    SIEMENS GCA166.1U

    SIEMENS

    SIEMENS INDUSTRY

    GCA166.1U

    OPENAIR GCA SERIES ELECTRIC DAMPER ACTUATOR, ROTARY, SPRING RETURN, 160 LB-IN, 24 VAC/DC, 0 TO 10 VDC CONTROL, 90 SEC RUN TIME, DUAL AUXILIARY SWITCHES, 50/60 HZ
    ✓ IN STOCK!
    $523.01 Buy New $523.01
    $313.80
    Repair Yours $300.00
    SIEMENS 134-1511

    SIEMENS

    SIEMENS INDUSTRY

    134-1511

    STAT 35/45F MANUAL RESET SPDT LOW TEMP ELECTRIC TEMP DETECTOR STAT WITH 20FT CAPILLARY. REPLCS. L480G1044
    ✓ IN STOCK!
    $281.52 Buy New $281.52
    $213.96
    Repair Yours $300.00
    SIEMENS 599-01081

    SIEMENS

    SIEMENS INDUSTRY

    599-01081

    PNEUMATIC ACTUATOR, 4 INCH, 3-8 PSI, FLOWRITE
    ✓ IN STOCK!
    $127.41 Buy New $127.41
    $76.45
    Repair Yours $300.00
    SIEMENS 255-01139

    SIEMENS

    SIEMENS INDUSTRY

    255-01139

    MZ SERIES 3W VALVE ASY, ANSI 250, WATER, LINEAR, 1" FXF, 10 CV, ELECT/MECH
    ✓ IN STOCK!
    $334.00 Buy New $334.00
    $201.00
    SIEMENS 331-2856

    SIEMENS

    SIEMENS INDUSTRY

    331-2856

    DAMPER ACTUATOR, NO.6, PIVOT MOUNTING STYLE, 8-13 PSI NORMAL SPRING RANGE, 55-90 KPA, 4-INCH STROKE, 30 PSI MAXIMUM AIR PRESSURE, -20 TO 160F OPERATING TEMPERATURE, WITH CLEVIS, PIVOT MOUNT
    ✓ IN STOCK!
    $439.37 Buy New $439.37
    $263.62
    SIEMENS 599-10048

    SIEMENS

    SIEMENS INDUSTRY

    599-10048

    STEM RETAINER KIT, HARDWARE,10 MM
    ✓ IN STOCK!
    $29.00 Buy New $29.00
    $18.40
    SIEMENS 268-03165

    SIEMENS

    SIEMENS INDUSTRY

    268-03165

    VALVE,1/2 IN, 2 WAY VALVE W/ 4 IN PNEUMATIC ACTUATOR, 3-8 PSI, BRASS TRIM
    ✓ IN STOCK!
    $307.63 Buy New $307.63
    $203.00
    SIEMENS SKD82.50U

    SIEMENS

    SIEMENS INDUSTRY

    SKD82.50U

    ACTUATOR ELEC/HYD 24VAC 3POS NON-SPRING RETURN REPLCS. SAX81.03U
    ✓ IN STOCK!
    $769.00 Buy New $769.00
    $417.53
    Repair Yours $300.00
    SIEMENS GBB161.1P

    SIEMENS

    SIEMENS INDUSTRY

    GBB161.1P

    DAMPER ACTUATOR, 221 LB-IN, NON-SPRING RETURN, 0-10 VDC CONTROL, PLENUM RATED, 24 VDC
    ✓ IN STOCK!
    $351.26 Buy New $351.26
    $210.76
    Repair Yours $300.00
    SIEMENS QAA22SS.EWSN

    SIEMENS

    SIEMENS INDUSTRY

    QAA22SS.EWSN

    ROOM TEMPERATURE SENSOR, 0-10V / 4-20MA OUTPUTS. REPLCS. 536-752A
    ✓ IN STOCK!
    $123.73 Buy New $123.73
    $74.24
    Repair Yours $300.00
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