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    Sensors & Switches / CO2 Sensor

    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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    HONEYWELL 1508A2001

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2001

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG
    ✓ IN STOCK!
    £264.49 Price with VAT: £317.39 Buy Surplus As Low As £131.86 Price with VAT: £158.23
    £131.86 Price with VAT: £158.23
    Repair Yours £150.00 Price with VAT: £180.00
    HONEYWELL IDP-FIRE-CO

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-FIRE-CO

    ADDRESSABLE FIRE & CO COMBINATION DETECTOR
    £204.79 Price with VAT: £245.75 Buy Surplus As Low As £123.18 Price with VAT: £147.81
    £123.18 Price with VAT: £147.81
    Repair Yours £150.00 Price with VAT: £180.00
    HONEYWELL 1508A1003

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1003

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG, RELAY
    £281.87 Price with VAT: £338.25 Buy Surplus As Low As £169.27 Price with VAT: £203.13
    £169.27 Price with VAT: £203.13
    Repair Yours £150.00 Price with VAT: £180.00
    HONEYWELL 1508A1005

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1005

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG, TEMP AND RH
    £330.99 Price with VAT: £397.19 Buy Surplus As Low As £198.75 Price with VAT: £238.49
    £198.75 Price with VAT: £238.49
    Repair Yours £165.50 Price with VAT: £198.59
    HONEYWELL 1508A1013

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1013

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG, TEMP AND RH, DISPLAY
    £424.70 Price with VAT: £509.63 Buy Surplus As Low As £255.42 Price with VAT: £306.51
    £255.42 Price with VAT: £306.51
    Repair Yours £212.35 Price with VAT: £254.82
    HONEYWELL 1508A1019

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1019

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, NETWORK, RELAY, DISPLAY
    £436.79 Price with VAT: £524.14 Buy Surplus As Low As £262.22 Price with VAT: £314.67
    £262.22 Price with VAT: £314.67
    Repair Yours £218.39 Price with VAT: £262.07
    HONEYWELL 1508A1021

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1021

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, NETWORK, TEMP AND RH, DISPLAY
    £487.42 Price with VAT: £584.90 Buy Surplus As Low As £292.45 Price with VAT: £350.94
    £292.45 Price with VAT: £350.94
    Repair Yours £243.33 Price with VAT: £292.00
    HONEYWELL 1508A1027

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1027

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, LON, RELAY, DISPLAY
    £498.75 Price with VAT: £598.50 Buy Surplus As Low As £299.25 Price with VAT: £359.10
    £299.25 Price with VAT: £359.10
    Repair Yours £248.62 Price with VAT: £298.34
    HONEYWELL 1508A1029

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1029

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, LON, TEMP AND RH, DISPLAY
    £549.38 Price with VAT: £659.26 Buy Surplus As Low As £330.23 Price with VAT: £396.28
    £330.23 Price with VAT: £396.28
    Repair Yours £274.31 Price with VAT: £329.18
    HONEYWELL 1508A2003

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2003

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, RELAY
    £362.73 Price with VAT: £435.28 Buy Surplus As Low As £217.64 Price with VAT: £261.17
    £217.64 Price with VAT: £261.17
    Repair Yours £181.36 Price with VAT: £217.64
    HONEYWELL 1508A2005

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2005

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, TEMP AND RH
    £411.85 Price with VAT: £494.22 Buy Surplus As Low As £247.11 Price with VAT: £296.53
    £247.11 Price with VAT: £296.53
    Repair Yours £205.55 Price with VAT: £246.66
    HONEYWELL 1508A2007

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2007

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, TEMP AND RH, RELAY
    £424.70 Price with VAT: £509.63 Buy Surplus As Low As £255.42 Price with VAT: £306.51
    £255.42 Price with VAT: £306.51
    Repair Yours £212.35 Price with VAT: £254.82
    HONEYWELL 1508A2013

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2013

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, TEMP AND RH, DISPLAY
    £506.31 Price with VAT: £607.57 Buy Surplus As Low As £303.79 Price with VAT: £364.54
    £303.79 Price with VAT: £364.54
    Repair Yours £252.40 Price with VAT: £302.88
    HONEYWELL 1508A2015

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2015

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, TEMP AND RH, RELAY, DISPLAY
    £518.40 Price with VAT: £622.08 Buy Surplus As Low As £311.34 Price with VAT: £373.61
    £311.34 Price with VAT: £373.61
    Repair Yours £258.44 Price with VAT: £310.13
    HONEYWELL 1508A2021

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2021

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, NETWORK, TEMP AND RH, DISPLAY
    £568.28 Price with VAT: £681.93 Buy Surplus As Low As £341.57 Price with VAT: £409.88
    £341.57 Price with VAT: £409.88
    Repair Yours £284.14 Price with VAT: £340.97
    HONEYWELL 1508A2023

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2023

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, NETWORK, TEMP AND RH, RELAY, DISPLAY
    £580.37 Price with VAT: £696.44 Buy Surplus As Low As £348.37 Price with VAT: £418.05
    £348.37 Price with VAT: £418.05
    Repair Yours £289.43 Price with VAT: £347.31
    HONEYWELL 1508A2029

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2029

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, LON, TEMP AND RH, DISPLAY
    £631.00 Price with VAT: £757.20 Buy Surplus As Low As £378.60 Price with VAT: £454.32
    £378.60 Price with VAT: £454.32
    Repair Yours £314.37 Price with VAT: £377.24
    HONEYWELL 1508A2031

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2031

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, LON, TEMP AND RH, RELAY, DISPLAY
    £643.09 Price with VAT: £771.71 Buy Surplus As Low As £386.16 Price with VAT: £463.39
    £386.16 Price with VAT: £463.39
    Repair Yours £321.17 Price with VAT: £385.40
    HONEYWELL ECO-D-B-12-41

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-D-B-12-41

    METHANE (CH4) 0-100% LEL + CARBON MONOXIDE (CO) 0-500 PPM
    £4,920.27 Price with VAT: £5,904.33 Buy Surplus As Low As £2,952.47 Price with VAT: £3,542.96
    £2,952.47 Price with VAT: £3,542.96
    Repair Yours £2,450.69 Price with VAT: £2,940.83
    HONEYWELL ECO-D-B-31-41

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-D-B-31-41

    OXYGEN (O2) 0-25% VOL + CARBON MONOXIDE (CO) 0-500 PPM
    £4,287.01 Price with VAT: £5,144.41 Buy Surplus As Low As £2,572.36 Price with VAT: £3,086.83
    £2,572.36 Price with VAT: £3,086.83
    Repair Yours £2,135.57 Price with VAT: £2,562.68
    HONEYWELL ECO-SC-49

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-49

    CARBON DIOXIDE (CO2) 0-5% VOL
    £2,419.71 Price with VAT: £2,903.65 Buy Surplus As Low As £1,452.43 Price with VAT: £1,742.91
    £1,452.43 Price with VAT: £1,742.91
    Repair Yours £1,206.07 Price with VAT: £1,447.29
    HONEYWELL ECO-SC-49-EX

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-49-EX

    CARBON DIOXIDE (CO2) 0-5% VOL
    £2,687.98 Price with VAT: £3,225.57 Buy Surplus As Low As £1,613.39 Price with VAT: £1,936.07
    £1,613.39 Price with VAT: £1,936.07
    Repair Yours £1,339.83 Price with VAT: £1,607.80
    HONEYWELL 1508A1001

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1001

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG
    £269.02 Price with VAT: £322.83 Buy Surplus As Low As £161.72 Price with VAT: £194.06
    £161.72 Price with VAT: £194.06
    Repair Yours £150.00 Price with VAT: £180.00
    HONEYWELL 1508A1007

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1007

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG, TEMP AND RH, RELAY
    £343.84 Price with VAT: £412.60 Buy Surplus As Low As £206.30 Price with VAT: £247.56
    £206.30 Price with VAT: £247.56
    Repair Yours £171.54 Price with VAT: £205.85
    HONEYWELL 1508A1009

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1009

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG, DISPLAY
    £362.73 Price with VAT: £435.28 Buy Surplus As Low As £217.64 Price with VAT: £261.17
    £217.64 Price with VAT: £261.17
    Repair Yours £181.36 Price with VAT: £217.64
    HONEYWELL 1508A1015

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1015

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, ANALOG, TEMP AND RH, RELAY, DISPLAY
    £436.79 Price with VAT: £524.14 Buy Surplus As Low As £262.22 Price with VAT: £314.67
    £262.22 Price with VAT: £314.67
    Repair Yours £218.39 Price with VAT: £262.07
    HONEYWELL 1508A1017

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1017

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, NETWORK, DISPLAY
    £424.70 Price with VAT: £509.63 Buy Surplus As Low As £255.42 Price with VAT: £306.51
    £255.42 Price with VAT: £306.51
    Repair Yours £212.35 Price with VAT: £254.82
    HONEYWELL 1508A1023

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1023

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, NETWORK, TEMP AND RH, RELAY, DISPLAY
    £498.75 Price with VAT: £598.50 Buy Surplus As Low As £299.25 Price with VAT: £359.10
    £299.25 Price with VAT: £359.10
    Repair Yours £248.62 Price with VAT: £298.34
    HONEYWELL 1508A1025

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1025

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, LON, DISPLAY
    £487.42 Price with VAT: £584.90 Buy Surplus As Low As £292.45 Price with VAT: £350.94
    £292.45 Price with VAT: £350.94
    Repair Yours £243.33 Price with VAT: £292.00
    HONEYWELL 1508A1031

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A1031

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, WALL MOUNT, LON, TEMP AND RH, RELAY, DISPLAY
    £561.47 Price with VAT: £673.77 Buy Surplus As Low As £337.04 Price with VAT: £404.44
    £337.04 Price with VAT: £404.44
    Repair Yours £280.36 Price with VAT: £336.43
    HONEYWELL 1508A2009

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2009

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, DISPLAY
    £443.59 Price with VAT: £532.31 Buy Surplus As Low As £266.76 Price with VAT: £320.11
    £266.76 Price with VAT: £320.11
    Repair Yours £221.42 Price with VAT: £265.70
    HONEYWELL 1508A2011

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2011

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG, RELAY, DISPLAY
    £455.68 Price with VAT: £546.81 Buy Surplus As Low As £273.56 Price with VAT: £328.27
    £273.56 Price with VAT: £328.27
    Repair Yours £227.46 Price with VAT: £272.95
    HONEYWELL 1508A2017

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2017

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, NETWORK, DISPLAY
    £506.31 Price with VAT: £607.57 Buy Surplus As Low As £303.79 Price with VAT: £364.54
    £303.79 Price with VAT: £364.54
    Repair Yours £252.40 Price with VAT: £302.88
    HONEYWELL 1508A2019

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2019

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, NETWORK, RELAY, DISPLAY
    £518.40 Price with VAT: £622.08 Buy Surplus As Low As £311.34 Price with VAT: £373.61
    £311.34 Price with VAT: £373.61
    Repair Yours £258.44 Price with VAT: £310.13
    HONEYWELL 1508A2025

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2025

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, LON, DISPLAY
    £568.28 Price with VAT: £681.93 Buy Surplus As Low As £341.57 Price with VAT: £409.88
    £341.57 Price with VAT: £409.88
    Repair Yours £284.14 Price with VAT: £340.97
    HONEYWELL 1508A2027

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2027

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, LON, RELAY, DISPLAY
    £580.37 Price with VAT: £696.44 Buy Surplus As Low As £348.37 Price with VAT: £418.05
    £348.37 Price with VAT: £418.05
    Repair Yours £289.43 Price with VAT: £347.31
    HONEYWELL SS4-A2-C-E

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS4-A2-C-E

    ALUMINUM UV/IR, ATEX, HYDROCARBON FIRES, NON LATCHING ALARM LED, FM, CFM, ATEX, IECEX FOR ZONE 1 (2
    £6,072.69 Price with VAT: £7,287.23 Buy Surplus As Low As £3,643.92 Price with VAT: £4,372.70
    £3,643.92 Price with VAT: £4,372.70
    Repair Yours £3,025.01 Price with VAT: £3,630.01
    HONEYWELL 2992-0029

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2992-0029

    CO2/AIR (1% V/V), 103 L (FOR XNX/XCD/S3K)
    £436.79 Price with VAT: £524.14 Buy Surplus As Low As £262.22 Price with VAT: £314.67
    £262.22 Price with VAT: £314.67
    HONEYWELL ECO-D-B-49

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-D-B-49

    CARBON DIOXIDE (CO2) 0-5% VOL
    £5,106.17 Price with VAT: £6,127.40 Buy Surplus As Low As £3,064.31 Price with VAT: £3,677.17
    £3,064.31 Price with VAT: £3,677.17
    Repair Yours £2,543.64 Price with VAT: £3,052.37
    HONEYWELL ECO-D-B-49-EX

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-D-B-49-EX

    CARBON DIOXIDE (CO2) 0-5% VOL
    £5,508.95 Price with VAT: £6,610.74 Buy Surplus As Low As £3,305.37 Price with VAT: £3,966.44
    £3,305.37 Price with VAT: £3,966.44
    Repair Yours £2,743.90 Price with VAT: £3,292.68
    HONEYWELL ECO-SC-12-41

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-12-41

    METHANE (CH4) 0-100% LEL + CARBON MONOXIDE (CO) 0-500 PPM
    £2,313.15 Price with VAT: £2,775.79 Buy Surplus As Low As £1,388.20 Price with VAT: £1,665.83
    £1,388.20 Price with VAT: £1,665.83
    Repair Yours £1,152.42 Price with VAT: £1,382.91
    HONEYWELL ECO-SC-31-41

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-31-41

    OXYGEN (O2) 0-25% VOL + CARBON MONOXIDE (CO) 0-500 PPM
    £2,015.41 Price with VAT: £2,418.50 Buy Surplus As Low As £1,209.85 Price with VAT: £1,451.82
    £1,209.85 Price with VAT: £1,451.82
    Repair Yours £1,004.31 Price with VAT: £1,205.17
    HONEYWELL SPXCDXSB2SS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXCDXSB2SS

    CARBON DIOXIDE, IR 0-5.00%, V/V ONLY
    £1,020.18 Price with VAT: £1,224.21 Buy Surplus As Low As £612.11 Price with VAT: £734.53
    £612.11 Price with VAT: £734.53
    Repair Yours £508.58 Price with VAT: £610.29
    HONEYWELL XCL-LB-CO2PP-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CO2PP-RM

    CO2 5,000 PPM, MODBUS RELAYS
    £4,377.69 Price with VAT: £5,253.23 Buy Surplus As Low As £2,626.76 Price with VAT: £3,152.12
    £2,626.76 Price with VAT: £3,152.12
    HONEYWELL SPXCDXSHXSS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXCDXSHXSS

    SENSOR, HYDROGEN SULFIDE (H2S), 0-50 PPM (10.0 TO 100.0 PPM)
    £804.81 Price with VAT: £965.77 Buy Surplus As Low As £482.88 Price with VAT: £579.46
    £482.88 Price with VAT: £579.46
    HONEYWELL XCL-LB-CO2PP-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CO2PP-RA

    CO2 5,000 PPM, MA RELAYS
    £4,128.31 Price with VAT: £4,953.98 Buy Surplus As Low As £2,477.14 Price with VAT: £2,972.57
    £2,477.14 Price with VAT: £2,972.57
    HONEYWELL XCL-SC-CO2PP

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-SC-CO2PP

    VESDA RPL SENS CO2 5000PPM SP XCL
    £518.40 Price with VAT: £622.08 Buy Surplus As Low As £311.34 Price with VAT: £373.61
    £311.34 Price with VAT: £373.61
    HONEYWELL XCL-SC-CO2VV

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-SC-CO2VV

    VESDA RPL SENS CO2 5% V/V SP XCL
    £518.40 Price with VAT: £622.08 Buy Surplus As Low As £311.34 Price with VAT: £373.61
    £311.34 Price with VAT: £373.61
    HONEYWELL XCL-VEA-CO2PP-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-VEA-CO2PP-RA

    VESDA CO2 5000PPM 4-20MA REL XCL VEA
    £3,383.21 Price with VAT: £4,059.85 Buy Surplus As Low As £2,030.53 Price with VAT: £2,436.63
    £2,030.53 Price with VAT: £2,436.63
    HONEYWELL XCL-LB-CO2VV-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CO2VV-RA

    CO2 5.0 %V/V, MA RELAYS
    £4,128.31 Price with VAT: £4,953.98 Buy Surplus As Low As £2,477.14 Price with VAT: £2,972.57
    £2,477.14 Price with VAT: £2,972.57
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