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    Sensors & Switches / Sensor Controller

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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    49 Results.
    UNITED TECHNOLOGIES HH57AC081

    UNITED TECHNOLOGIES

    CARRIER

    HH57AC081

    OUTSIDE AIR SENSOR
    ✓ IN STOCK!
    £170.17 Price with VAT: £204.20 Buy Surplus As Low As £102.11 Price with VAT: £122.53
    £102.11 Price with VAT: £122.53
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    UNITED TECHNOLOGIES HH57AC078A

    UNITED TECHNOLOGIES

    CARRIER

    HH57AC078A

    ENTHALPY SENSOR, SOLID STATE, ANALOG, AIR DUCT, SUPPLY/RETURN, ECONOMIZING, 4-20 MA, 2 1/4 INCH QUICK CONNECT TERMINALS
    ✓ IN STOCK!
    £150.77 Price with VAT: £180.93 Buy Surplus As Low As £65.29 Price with VAT: £78.35
    £65.29 Price with VAT: £78.35
    UNITED TECHNOLOGIES HH09AZ005

    UNITED TECHNOLOGIES

    CARRIER

    HH09AZ005

    40/90F 6-STG CL,DISCH.AIR CTRL
    ✓ IN STOCK!
    £2,411.92 Price with VAT: £2,894.30 Buy Surplus As Low As £1,172.56 Price with VAT: £1,407.07
    £1,172.56 Price with VAT: £1,407.07
    Repair Yours £973.22 Price with VAT: £1,167.87
    UNITED TECHNOLOGIES SPP

    UNITED TECHNOLOGIES

    CARRIER

    SPP

    DISCONTINUED BY MANUFACTURER, SPT PRO SENSOR OPEN LCD W/STPT
    ✓ IN STOCK!
    Buy Surplus As Low As £93.16 Price with VAT: £111.79
    £93.16 Price with VAT: £111.79
    UNITED TECHNOLOGIES HH57ZC001

    UNITED TECHNOLOGIES

    CARRIER

    HH57ZC001

    ENTHALPY SENSOR, RETURN AIR SENSOR, POWER 24 TO 36 VDC, SPAN: 0 TO 50BTU/LB, OUTPUT: 1 TO 20MA
    ✓ IN STOCK!
    £730.52 Price with VAT: £876.63 Buy Surplus As Low As £482.53 Price with VAT: £579.04
    £482.53 Price with VAT: £579.04
    Repair Yours £263.77 Price with VAT: £316.53
    UNITED TECHNOLOGIES LH33WZ005

    UNITED TECHNOLOGIES

    CARRIER

    LH33WZ005

    FLAME SENSOR ASSEMBLY
    ✓ IN STOCK!
    £109.78 Price with VAT: £131.74 Buy Surplus As Low As £72.46 Price with VAT: £86.95
    £72.46 Price with VAT: £86.95
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    UNITED TECHNOLOGIES LH33CM018

    UNITED TECHNOLOGIES

    CARRIER

    LH33CM018

    FLAME SENSOR, FOR USE WITH SPARK IGNITER
    ✓ IN STOCK!
    £119.57 Price with VAT: £143.48 Buy Surplus As Low As £90.96 Price with VAT: £109.15
    £90.96 Price with VAT: £109.15
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    UNITED TECHNOLOGIES HK50ZT001

    UNITED TECHNOLOGIES

    CARRIER

    HK50ZT001

    SMOKE SENSOR, PHOTOELECTRIC, DUCT SENSOR, LED INDICATORS, (TSD-SJ-C01)
    ✓ IN STOCK!
    £753.38 Price with VAT: £904.06 Buy Surplus As Low As £572.57 Price with VAT: £687.08
    £572.57 Price with VAT: £687.08
    Repair Yours £358.94 Price with VAT: £430.73
    UNITED TECHNOLOGIES HK50AA035

    UNITED TECHNOLOGIES

    CARRIER

    HK50AA035

    CURRENT SENSOR BOARD
    ✓ IN STOCK!
    £113.84 Price with VAT: £136.60 Buy Surplus As Low As £68.30 Price with VAT: £81.96
    £68.30 Price with VAT: £81.96
    Repair Yours Contact Us
    UNITED TECHNOLOGIES CRENTDIF004A00

    UNITED TECHNOLOGIES

    CARRIER

    CRENTDIF004A00

    RETURN AIR ENTHALPY SENSOR
    £126.98 Price with VAT: £152.38 Buy Surplus As Low As £76.19 Price with VAT: £91.43
    £76.19 Price with VAT: £91.43
    Repair Yours Contact Us
    UNITED TECHNOLOGIES HH79NZ040

    UNITED TECHNOLOGIES

    CARRIER

    HH79NZ040

    SENSOR
    £224.83 Price with VAT: £269.80 Buy Surplus As Low As £135.20 Price with VAT: £162.24
    £135.20 Price with VAT: £162.24
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES ZONECCOSMS01

    UNITED TECHNOLOGIES

    CARRIER

    ZONECCOSMS01

    SMART SENSOR
    £237.53 Price with VAT: £285.04 Buy Surplus As Low As £142.67 Price with VAT: £171.20
    £142.67 Price with VAT: £171.20
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES TSTATBBSENO1

    UNITED TECHNOLOGIES

    CARRIER

    TSTATBBSENO1

    OUTDOOR SENSOR
    £30.63 Price with VAT: £36.75 Buy Surplus As Low As £18.67 Price with VAT: £22.41
    £18.67 Price with VAT: £22.41
    UNITED TECHNOLOGIES 33ZCSENORH01

    UNITED TECHNOLOGIES

    CARRIER

    33ZCSENORH01

    OUTDOOR RELATIVE HUMIDITY SENS
    £831.36 Price with VAT: £997.63 Buy Surplus As Low As £498.97 Price with VAT: £598.76
    £498.97 Price with VAT: £598.76
    Repair Yours £428.01 Price with VAT: £513.61
    UNITED TECHNOLOGIES HH79NZ079

    UNITED TECHNOLOGIES

    CARRIER

    HH79NZ079

    SENSOR
    £162.84 Price with VAT: £195.40 Buy Surplus As Low As £97.85 Price with VAT: £117.42
    £97.85 Price with VAT: £117.42
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES LH33WZ521

    UNITED TECHNOLOGIES

    CARRIER

    LH33WZ521

    FLAME SENSOR
    £16.43 Price with VAT: £19.72 Buy Surplus As Low As £9.71 Price with VAT: £11.65
    £9.71 Price with VAT: £11.65
    UNITED TECHNOLOGIES S17S0030N04

    UNITED TECHNOLOGIES

    CARRIER

    S17S0030N04

    10K BLUE THERMISOR SENSOR
    £70.96 Price with VAT: £85.15 Buy Surplus As Low As £42.58 Price with VAT: £51.09
    £42.58 Price with VAT: £51.09
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    UNITED TECHNOLOGIES S17S0031N04

    UNITED TECHNOLOGIES

    CARRIER

    S17S0031N04

    10K BLACK THERMISTOR SENSOR
    £79.18 Price with VAT: £95.01 Buy Surplus As Low As £47.81 Price with VAT: £57.37
    £47.81 Price with VAT: £57.37
    UNITED TECHNOLOGIES HH18HA261

    UNITED TECHNOLOGIES

    CARRIER

    HH18HA261

    DEFROST SENSOR
    £44.07 Price with VAT: £52.88 Buy Surplus As Low As £26.89 Price with VAT: £32.27
    £26.89 Price with VAT: £32.27
    Repair Yours Contact Us
    UNITED TECHNOLOGIES MM9901-0001

    UNITED TECHNOLOGIES

    CARRIER

    MM9901-0001

    MIXED AIR/DISCHARGE SENSOR
    £116.53 Price with VAT: £139.83 Buy Surplus As Low As £70.21 Price with VAT: £84.26
    £70.21 Price with VAT: £84.26
    Repair Yours Contact Us
    UNITED TECHNOLOGIES B034825H01

    UNITED TECHNOLOGIES

    CARRIER

    B034825H01

    AIR SENSOR
    £159.85 Price with VAT: £191.82 Buy Surplus As Low As £96.36 Price with VAT: £115.63
    £96.36 Price with VAT: £115.63
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES HH57AC080

    UNITED TECHNOLOGIES

    CARRIER

    HH57AC080

    OUTSIDE AIR SENSOR,(OAT)
    £98.45 Price with VAT: £118.14 Buy Surplus As Low As £59.07 Price with VAT: £70.88
    £59.07 Price with VAT: £70.88
    Repair Yours Contact Us
    UNITED TECHNOLOGIES LH33WZ007

    UNITED TECHNOLOGIES

    CARRIER

    LH33WZ007

    FLAME SENSOR
    £88.89 Price with VAT: £106.67 Buy Surplus As Low As £53.78 Price with VAT: £64.54
    £53.78 Price with VAT: £64.54
    Repair Yours Contact Us
    UNITED TECHNOLOGIES LH680013

    UNITED TECHNOLOGIES

    CARRIER

    LH680013

    FLAME SENSOR
    £32.30 Price with VAT: £38.76 Buy Surplus As Low As £19.38 Price with VAT: £23.26
    £19.38 Price with VAT: £23.26
    Repair Yours Contact Us
    UNITED TECHNOLOGIES SYSTXBBSMS01E

    UNITED TECHNOLOGIES

    CARRIER

    SYSTXBBSMS01E

    INFINITYSYSTEMSMARTSENSOR
    £363.02 Price with VAT: £435.62 Buy Surplus As Low As £218.11 Price with VAT: £261.73
    £218.11 Price with VAT: £261.73
    Repair Yours £181.51 Price with VAT: £217.81
    UNITED TECHNOLOGIES ZONECC0RRS01

    UNITED TECHNOLOGIES

    CARRIER

    ZONECC0RRS01

    CARRIER COMFORTZONE II - ZONECC0RRS01 WIRED REMOTE ROOM TEMPERATURE SENSOR ITEM: ZONECC0RRS01 ,EASSEMBLY TO INSTALL 32° F TO 130° F OPERATING TEMPERATURE RANGE HIGH SECURITY IN PUBLIC AREAS ...
    £214.38 Price with VAT: £257.25 Buy Surplus As Low As £129.22 Price with VAT: £155.07
    £129.22 Price with VAT: £155.07
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES HH51ZX002

    UNITED TECHNOLOGIES

    CARRIER

    HH51ZX002

    SENSOR TEMPERATURE
    £316.71 Price with VAT: £380.05 Buy Surplus As Low As £190.47 Price with VAT: £228.57
    £190.47 Price with VAT: £228.57
    Repair Yours £158.35 Price with VAT: £190.03
    UNITED TECHNOLOGIES ZONECC0SMS01

    UNITED TECHNOLOGIES

    CARRIER

    ZONECC0SMS01

    CARRIER SMART ROOM SENSOR
    £491.49 Price with VAT: £589.79 Buy Surplus As Low As £294.90 Price with VAT: £353.88
    £294.90 Price with VAT: £353.88
    Repair Yours £257.26 Price with VAT: £308.71
    UNITED TECHNOLOGIES HL39ZZ003

    UNITED TECHNOLOGIES

    CARRIER

    HL39ZZ003

    SENSOR
    £693.17 Price with VAT: £831.81 Buy Surplus As Low As £416.05 Price with VAT: £499.26
    £416.05 Price with VAT: £499.26
    Repair Yours £345.84 Price with VAT: £415.01
    UNITED TECHNOLOGIES CESTRS

    UNITED TECHNOLOGIES

    CARRIER

    CESTRS

    REMOTE ROOM SENSOR
    £130.72 Price with VAT: £156.86 Buy Surplus As Low As £78.43 Price with VAT: £94.12
    £78.43 Price with VAT: £94.12
    Repair Yours Contact Us
    UNITED TECHNOLOGIES HH51BX006

    UNITED TECHNOLOGIES

    CARRIER

    HH51BX006

    WALL SENSOR AVAILABLE, SURPLUS, NEVER USED, 2 YEAR RADWELL WARRANTY
    £112.69 Price with VAT: £135.23 Buy Surplus As Low As £67.94 Price with VAT: £81.52
    £67.94 Price with VAT: £81.52
    UNITED TECHNOLOGIES LH33WZ015

    UNITED TECHNOLOGIES

    CARRIER

    LH33WZ015

    FLAME SENSOR
    £76.09 Price with VAT: £91.31 Buy Surplus As Low As £45.65 Price with VAT: £54.78
    £45.65 Price with VAT: £54.78
    Repair Yours Contact Us
    UNITED TECHNOLOGIES LH-33EW-058

    UNITED TECHNOLOGIES

    CARRIER

    LH-33EW-058

    IGNITOR SENSOR, 60 INCH LEADWIRE, 90 DEG
    £68.72 Price with VAT: £82.46 Buy Surplus As Low As £41.83 Price with VAT: £50.20
    £41.83 Price with VAT: £50.20
    UNITED TECHNOLOGIES BAAS100385

    UNITED TECHNOLOGIES

    CARRIER

    BAAS100385

    OUTSIDE AIR SENSOR
    £396.86 Price with VAT: £476.23 Buy Surplus As Low As £238.41 Price with VAT: £286.09
    £238.41 Price with VAT: £286.09
    Repair Yours £207.96 Price with VAT: £249.55
    UNITED TECHNOLOGIES SYSTXCCSMS01A

    UNITED TECHNOLOGIES

    CARRIER

    SYSTXCCSMS01A

    DISCONTINUED BY MANUFACTURER, SMART SENSOR, FOR INFINITY ZONING SYSTEMS, 2.8 INCH COLOR DISPLAY
    Buy Surplus As Low As £224.50 Price with VAT: £269.40
    £224.50 Price with VAT: £269.40
    Repair Yours £200.00 Price with VAT: £240.00
    UNITED TECHNOLOGIES HH680013

    UNITED TECHNOLOGIES

    CARRIER

    HH680013

    SOLID STATE HUMIDITY SENSOR, RELATIVE IN AIR, 4-20MA OUTPUT
    £261.89 Price with VAT: £314.27 Buy Surplus As Low As £157.14 Price with VAT: £188.56
    £157.14 Price with VAT: £188.56
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES SPPF

    UNITED TECHNOLOGIES

    CARRIER

    SPPF

    SPT PRO PLUS SENSOR,OPEN LCD
    £174.79 Price with VAT: £209.75 Buy Surplus As Low As £104.57 Price with VAT: £125.49
    £104.57 Price with VAT: £125.49
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES SYSTXBBRCT01

    UNITED TECHNOLOGIES

    CARRIER

    SYSTXBBRCT01

    CAT-5 WIRED,REMOTE ACC MODULE
    £1,635.08 Price with VAT: £1,962.10 Buy Surplus As Low As £981.50 Price with VAT: £1,177.80
    £981.50 Price with VAT: £1,177.80
    Repair Yours £814.93 Price with VAT: £977.91
    UNITED TECHNOLOGIES SYSTXBBRWF01

    UNITED TECHNOLOGIES

    CARRIER

    SYSTXBBRWF01

    WI-FI,WIRELESS,REMOTEACCMODULE
    £2,436.57 Price with VAT: £2,923.88 Buy Surplus As Low As £1,462.54 Price with VAT: £1,755.05
    £1,462.54 Price with VAT: £1,755.05
    Repair Yours £1,214.55 Price with VAT: £1,457.46
    UNITED TECHNOLOGIES C7400A2201/B

    UNITED TECHNOLOGIES

    CARRIER

    C7400A2201/B

    ENTHAHLPY SENSOR
    £123.25 Price with VAT: £147.90 Buy Surplus As Low As £73.95 Price with VAT: £88.74
    £73.95 Price with VAT: £88.74
    Repair Yours Contact Us
    UNITED TECHNOLOGIES LH33WZ017

    UNITED TECHNOLOGIES

    CARRIER

    LH33WZ017

    FLAME SENSOR
    £70.21 Price with VAT: £84.26 Buy Surplus As Low As £43.26 Price with VAT: £51.91
    £43.26 Price with VAT: £51.91
    Repair Yours Contact Us
    UNITED TECHNOLOGIES HH79NZ099

    UNITED TECHNOLOGIES

    CARRIER

    HH79NZ099

    LOW AMBIENT SENSOR
    £290.57 Price with VAT: £348.68 Buy Surplus As Low As £174.79 Price with VAT: £209.75
    £174.79 Price with VAT: £209.75
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES LH33WZ518

    UNITED TECHNOLOGIES

    CARRIER

    LH33WZ518

    FLAME SENSOR
    £21.88 Price with VAT: £26.25 Buy Surplus As Low As £13.13 Price with VAT: £15.76
    £13.13 Price with VAT: £15.76
    Repair Yours Contact Us
    UNITED TECHNOLOGIES SYSTXVVRRS01

    UNITED TECHNOLOGIES

    CARRIER

    SYSTXVVRRS01

    REMOTE ROOM TEMERATURE SENSOR
    £95.61 Price with VAT: £114.73 Buy Surplus As Low As £57.52 Price with VAT: £69.02
    £57.52 Price with VAT: £69.02
    UNITED TECHNOLOGIES ZSPL-H-CAR

    UNITED TECHNOLOGIES

    CARRIER

    ZSPL-H-CAR

    TEMPERATURE,CO2 HUM,VOC SENSOR
    £372.73 Price with VAT: £447.28 Buy Surplus As Low As £223.34 Price with VAT: £268.01
    £223.34 Price with VAT: £268.01
    Repair Yours £190.47 Price with VAT: £228.57
    UNITED TECHNOLOGIES HH51ZX005

    UNITED TECHNOLOGIES

    CARRIER

    HH51ZX005

    SENSOR TEMPERATURE
    £4,242.70 Price with VAT: £5,091.25 Buy Surplus As Low As £2,545.62 Price with VAT: £3,054.75
    £2,545.62 Price with VAT: £3,054.75
    Repair Yours £2,113.14 Price with VAT: £2,535.76
    UNITED TECHNOLOGIES G100-71308307

    UNITED TECHNOLOGIES

    CARRIER

    G100-71308307

    SENSOR REMOTE AIR TEMP
    £168.06 Price with VAT: £201.68 Buy Surplus As Low As £100.84 Price with VAT: £121.01
    £100.84 Price with VAT: £121.01
    Repair Yours £150.00 Price with VAT: £180.00
    UNITED TECHNOLOGIES ZS2-CAR

    UNITED TECHNOLOGIES

    CARRIER

    ZS2-CAR

    DISCONTINUED BY MANUFACTURER, SENSOR, SPACE TEMPERATURE, CO2, HUMIDITY
    Buy Surplus As Low As £82.82 Price with VAT: £99.39
    £82.82 Price with VAT: £99.39
    UNITED TECHNOLOGIES ZS2-H-CAR

    UNITED TECHNOLOGIES

    CARRIER

    ZS2-H-CAR

    SENSOR, SPACE TEMPERATURE, CO2, HUMIDITY
    £517.78 Price with VAT: £621.34 Buy Surplus As Low As £310.67 Price with VAT: £372.80
    £310.67 Price with VAT: £372.80
    Repair Yours £260.35 Price with VAT: £312.42
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