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    Sensors & Switches / Heat Detector

    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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    Results 1-50 of 191.
    HONEYWELL 18890

    HONEYWELL

    LEEDS & NORTHRUP

    18890

    DISCONTINUED BY MANUFACTURER, TEMPERATURE DETECTOR, 24 OMV, AT 3300 FAHRENHEIT, WINDOW TO OBJECT 24'' TO 00
    ✓ IN STOCK!
    Buy Surplus As Low As £147.90 Price with VAT: £177.48
    £147.90 Price with VAT: £177.48
    HONEYWELL 302-ET-194

    HONEYWELL

    NOTIFIER CO

    302-ET-194

    RATE COMPENSATION HEAT DETECTORS, 194 F (90 C) VERTICAL MOUNT, INDOOR OR OUTDOOR USE. CAN BE MOUNTED TO 1/2 CONDUIT THREADS FOR ATTACHMENT TO THREADED HUB COVER.
    ✓ IN STOCK!
    £50.01 Price with VAT: £60.01 Buy Surplus As Low As £32.12 Price with VAT: £38.54
    £32.12 Price with VAT: £38.54
    HONEYWELL 5601P

    HONEYWELL

    SYSTEM SENSOR

    5601P

    HEAT DETECTOR, CONVENTIONAL, SINGLE-CIRCUIT, 135 FIXED/RATE OF RISE
    ✓ IN STOCK!
    £26.14 Price with VAT: £31.37 Buy Surplus As Low As £15.69 Price with VAT: £18.82
    £15.69 Price with VAT: £18.82
    HONEYWELL S4-711

    HONEYWELL

    GENT

    S4-711

    HEAT SENSOR DUAL OPTICAL S-QUAD 35-41VDC 12MA
    ✓ IN STOCK!
    £63.89 Price with VAT: £76.67 Buy Surplus As Low As £27.95 Price with VAT: £33.54
    £27.95 Price with VAT: £33.54
    HONEYWELL Q354A1018

    HONEYWELL

    RESIDEO

    Q354A1018

    FLAME SENSOR ,6IN ROD HEIGHT ,USED W/S825 OR S87,6" FLAME SENSOR ROD
    ✓ IN STOCK!
    £64.57 Price with VAT: £77.49 Buy Surplus As Low As £38.74 Price with VAT: £46.49
    £38.74 Price with VAT: £46.49
    HONEYWELL 5621

    HONEYWELL

    SYSTEM SENSOR

    5621

    CONVENTIONAL HEAT DETECTOR, DUAL-CIRCUIT, 135 FIXED/RATE OF RISE
    ✓ IN STOCK!
    £39.66 Price with VAT: £47.60 Buy Surplus As Low As £23.80 Price with VAT: £28.56
    £23.80 Price with VAT: £28.56
    HONEYWELL 5622

    HONEYWELL

    SYSTEM SENSOR

    5622

    CONVENTIONAL HEAT DETECTOR, DUAL-CIRCUIT, 194 DEGREES F FIXED TEMPERATURE / RATE-OF-RISE, 50 X 50 FT UL PROTECTED SPACING - 10 FT CEILING
    ✓ IN STOCK!
    £45.56 Price with VAT: £54.68 Buy Surplus As Low As £24.82 Price with VAT: £29.79
    £24.82 Price with VAT: £29.79
    HONEYWELL 5623

    HONEYWELL

    GAMEWELL-FCI

    5623

    DISCONTINUED BY MANUFACTURER, HEAT DETECTOR, DUAL CIRCUIT, 125 VAC, 6 AMP, 3 AMP, 26 VDC, 135 DEGREES F TEMPERATURE RATING, 14-22 AWG
    ✓ IN STOCK!
    Buy Surplus As Low As £26.97 Price with VAT: £32.36
    £26.97 Price with VAT: £32.36
    HONEYWELL S4-711-VO

    HONEYWELL

    GENT

    S4-711-VO

    OPTICAL HEAT MULTI-SENSOR S-QUAD DUAL 35-41VDC
    ✓ IN STOCK!
    £108.24 Price with VAT: £129.89 Buy Surplus As Low As £47.12 Price with VAT: £56.54
    £47.12 Price with VAT: £56.54
    Repair Yours Contact Us
    HONEYWELL 5251RB

    HONEYWELL

    SYSTEM SENSOR

    5251RB

    DISCONTINUED BY MANUFACTURER, INTELLIGENT HEAT DETECTOR, 200 SERIES, 6.1 INCH DIAMETER, 2 INCH HEIGHT, 15 TO 32 VDC PEAK, 1335 DEGREES F FIXED RATING
    ✓ IN STOCK!
    Buy Surplus As Low As £91.55 Price with VAT: £109.86
    £91.55 Price with VAT: £109.86
    HONEYWELL 5602

    HONEYWELL

    FIRE LITE

    5602

    MECHANICAL HEAT DETECTOR, 5600 SERIES, SINGLE CIRCUIT, 194 DEGREES F TEMPERATURE RATING, FIXED TEMPERATURE / RATE-OF-RISE, 50 X 50 FT UL PROTECTED SPACING, 10 FT CEILING, NOTIFIER SERIES
    ✓ IN STOCK!
    £26.89 Price with VAT: £32.27 Buy Surplus As Low As £16.43 Price with VAT: £19.72
    £16.43 Price with VAT: £19.72
    HONEYWELL SK-HEAT

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-HEAT

    DISCONTINUED BY MANUFACTURER, HEAT DETECTOR, DUAL LED INDICATORS, UL LISTED, 15-32 VDC, 6.5 MA
    ✓ IN STOCK!
    Buy Surplus As Low As £125.20 Price with VAT: £150.25
    £125.20 Price with VAT: £150.25
    HONEYWELL ATD-L3

    HONEYWELL

    GAMEWELL-FCI

    ATD-L3

    THERMAL DETECTOR, VELOCITI SERIES 3, 135 DEGREES FAHRENHEIT FIXED THERMAL DETECTION, BUILT-IN FUNCTIONAL TEST SWITCH, DUAL LEDS FOR 360 DEGREE VISIBILITY, BRIGHT WHITE
    ✓ IN STOCK!
    £59.01 Price with VAT: £70.81 Buy Surplus As Low As £35.85 Price with VAT: £43.02
    £35.85 Price with VAT: £43.02
    HONEYWELL TC808A1050

    HONEYWELL

    TC808A1050

    DISCONTINUED BY MANUFACTURER, HEAT DETECTOR, THERMOSTAT, 50 FT MAX SENSOR SPACING, 24 VDC, BEIGE
    ✓ IN STOCK!
    Buy Surplus As Low As £17.64 Price with VAT: £21.17
    £17.64 Price with VAT: £21.17
    HONEYWELL SK-HEAT-W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-HEAT-W

    HEAT DETECTOR, WHITE, LOW-PROFILE INTELLIGENT, 2-WIRE, INCLUDES BASE, 135 DEGREES C FIXED-TEMPERATURE
    ✓ IN STOCK!
    £46.31 Price with VAT: £55.57 Buy Surplus As Low As £30.63 Price with VAT: £36.75
    £30.63 Price with VAT: £36.75
    HONEYWELL 5603A

    HONEYWELL

    SYSTEM SENSOR

    5603A

    HEAT DETECTOR, 135 DEGREE F (57 DEGREE C) FIXED TEMPERATURE, SINGLE CONTACT, SCREW TERMINALS (2X)
    ✓ IN STOCK!
    £26.79 Price with VAT: £32.15 Buy Surplus As Low As £14.84 Price with VAT: £17.81
    £14.84 Price with VAT: £17.81
    HONEYWELL ATD-L3R-IV

    HONEYWELL

    GAMEWELL-FCI

    ATD-L3R-IV

    THERMAL HEAT DETECTOR, 135 DEGREES F RATE OF RISE, IVORY, VELOCITI/CLIP
    ✓ IN STOCK!
    £91.43 Price with VAT: £109.71 Buy Surplus As Low As £49.04 Price with VAT: £58.85
    £49.04 Price with VAT: £58.85
    HONEYWELL 922C1A-11-17/32-3-C3

    HONEYWELL

    922C1A-11-17/32-3-C3

    TEMPERATURE SENSOR PROBE
    ✓ IN STOCK!
    £115.36 Price with VAT: £138.43 Buy Surplus As Low As £42.05 Price with VAT: £50.46
    £42.05 Price with VAT: £50.46
    HONEYWELL SD505-AHS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SD505-AHS

    DISCONTINUED BY MANUFACTURER, ADDRESSABLE HEAT SENSOR, 17-41VDC, 3-15/16IN DIAMETER, 2IN HEIGHT INCLUDING BASE, 135 F-150 F DETECTION RAANGE
    Buy Surplus As Low As £137.31 Price with VAT: £164.77
    £137.31 Price with VAT: £164.77
    HONEYWELL 5151

    HONEYWELL

    FIRE LITE

    5151

    ELECTRONIC HEAT DETECTOR HEAD, 135 DEGREES F -- REQ. B400 SERIES BASE
    £31.43 Price with VAT: £37.72 Buy Surplus As Low As £18.86 Price with VAT: £22.63
    £18.86 Price with VAT: £22.63
    HONEYWELL 5602

    HONEYWELL

    SYSTEM SENSOR

    5602

    CONVENTIONAL HEAT DETECTOR, SINGLE-CIRCUIT, 194 DEGREES F TEMPERATURE RATING, FIXED TEMPERATURE / RATE-OF-RISE ACTIVATION, 50 X 50 FT UL PROTECTED SPACING
    £26.89 Price with VAT: £32.27 Buy Surplus As Low As £12.68 Price with VAT: £15.22
    £12.68 Price with VAT: £15.22
    HONEYWELL 5624

    HONEYWELL

    GAMEWELL-FCI

    5624

    194 ° F FIXED TEMP., DUAL CIRCUIT N.O., 5600 SERIES
    £36.60 Price with VAT: £43.92 Buy Surplus As Low As £22.41 Price with VAT: £26.89
    £22.41 Price with VAT: £26.89
    HONEYWELL IDP-HEAT

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-HEAT

    DISCONTINUED BY MANUFACTURER, ADDRESSABLE THERMAL DETECTOR, FIXED TEMP 135`F, PLUG -IN TYPE
    Buy Surplus As Low As £97.13 Price with VAT: £116.56
    £97.13 Price with VAT: £116.56
    HONEYWELL GW30954

    HONEYWELL

    GAMEWELL-FCI

    GW30954

    DISCONTINUED(ION SMOKE DETECTOR FOR AIR DUCT, 2 WIRE OR 4 WIRE, 24 VDC (2650-560)
    £124.74 Price with VAT: £149.69 Buy Surplus As Low As £74.70 Price with VAT: £89.63
    £74.70 Price with VAT: £89.63
    Repair Yours Contact Us
    HONEYWELL GAXT-A2-DL

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-A2-DL

    DISCONTINUED BY MANUFACTURER, GASALERT EXTREME DETECTORS, AMMONIA (NH3) EXTENDED RANGE WITH YELLOW HOUSING, 0-400 PPM
    Buy Surplus As Low As £544.53 Price with VAT: £653.44
    £544.53 Price with VAT: £653.44
    HONEYWELL GAXT-A2-DL-B

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-A2-DL-B

    GASALERT EXTREME DETECTORS, AMMONIA (NH3) EXTENDED RANGE WITH BLACK HOUSING, 0-400 PPM
    £543.04 Price with VAT: £651.64 Buy Surplus As Low As £325.67 Price with VAT: £390.81
    £325.67 Price with VAT: £390.81
    Repair Yours £271.14 Price with VAT: £325.37
    HONEYWELL GAXT-E-DL

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-E-DL

    DISCONTINUED BY MANUFACTURER, GASALERT EXTREME DETECTORS, ETHYLENE OXIDE (ETO) WITH YELLOW HOUSING, 0-100 PPM
    Buy Surplus As Low As £391.40 Price with VAT: £469.69
    £391.40 Price with VAT: £469.69
    HONEYWELL GAXT-H-2-DL-B

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-H-2-DL-B

    GASALERT EXTREME DETECTORS, HYDROGEN SULFIDE (H2S) EXTENDED RANGE WITH BLACK HOUSING, 0-500 PPM
    £325.67 Price with VAT: £390.81 Buy Surplus As Low As £195.70 Price with VAT: £234.84
    £195.70 Price with VAT: £234.84
    Repair Yours £162.84 Price with VAT: £195.40
    HONEYWELL FS24X-211-10

    HONEYWELL

    GAMEWELL-FCI

    FS24X-211-10

    211 SERIES STANDARD TEMP RANGE
    £2,726.39 Price with VAT: £3,271.66 Buy Surplus As Low As £1,635.83 Price with VAT: £1,963.00
    £1,635.83 Price with VAT: £1,963.00
    Repair Yours £1,357.96 Price with VAT: £1,629.56
    HONEYWELL FS24X-911-10

    HONEYWELL

    GAMEWELL-FCI

    FS24X-911-10

    911 SERIES STANDARD TEMP RANGE
    £2,595.67 Price with VAT: £3,114.80 Buy Surplus As Low As £1,557.40 Price with VAT: £1,868.88
    £1,557.40 Price with VAT: £1,868.88
    Repair Yours £1,292.98 Price with VAT: £1,551.57
    HONEYWELL HOA6529-001

    HONEYWELL

    MICROSWITCH

    HOA6529-001

    INFRARED DETECTORS INFRARED SENSORS
    £3.62 Price with VAT: £4.35 Buy Surplus As Low As £2.17 Price with VAT: £2.61
    £2.17 Price with VAT: £2.61
    HONEYWELL HOA6530-001

    HONEYWELL

    MICROSWITCH

    HOA6530-001

    INFRARED DETECTORS INFRARED SENSORS
    £3.61 Price with VAT: £4.33 Buy Surplus As Low As £2.17 Price with VAT: £2.60
    £2.17 Price with VAT: £2.60
    HONEYWELL HOA6554-001

    HONEYWELL

    MICROSWITCH

    HOA6554-001

    INFRARED DETECTORS INFRARED SENSORS
    £10.07 Price with VAT: £12.08 Buy Surplus As Low As £6.04 Price with VAT: £7.25
    £6.04 Price with VAT: £7.25
    HONEYWELL HOA6550-001

    HONEYWELL

    MICROSWITCH

    HOA6550-001

    INFRARED DETECTORS INFRARED SENSORS
    £8.37 Price with VAT: £10.04 Buy Surplus As Low As £5.02 Price with VAT: £6.02
    £5.02 Price with VAT: £6.02
    HONEYWELL S4-711-ST

    HONEYWELL

    GENT

    S4-711-ST

    HEAT SENSOR DUAL OPTICAL S-QUAD
    £59.76 Price with VAT: £71.71 Buy Surplus As Low As £35.85 Price with VAT: £43.02
    £35.85 Price with VAT: £43.02
    HONEYWELL S4-770

    HONEYWELL

    GENT

    S4-770

    OPTICAL HEAT DETECTOR, W/ SOUNDER, 35-41 VDC, 12 MA MAX
    £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
    HONEYWELL 302-135

    HONEYWELL

    NOTIFIER CO

    302-135

    RATE COMPENSATION HEAT DETECTORS , 135 °F (57° C) VERTICAL MOUNT.
    £48.55 Price with VAT: £58.26 Buy Surplus As Low As £29.13 Price with VAT: £34.96
    £29.13 Price with VAT: £34.96
    HONEYWELL 5603

    HONEYWELL

    SYSTEM SENSOR

    5603

    HEAT DETECTOR, 135 F (57 C) FIXED TEMPERATURE, NORMALLY OPEN, SINGLE CIRCUIT MECHANICAL HEAT
    £26.14 Price with VAT: £31.37 Buy Surplus As Low As £10.85 Price with VAT: £13.02
    £10.85 Price with VAT: £13.02
    HONEYWELL 5601

    HONEYWELL

    SYSTEM SENSOR

    5601

    DISCONTINUED REPLACE WITH SYS-5601P(135F FIXED TEMP AND RATE OF RISE N.O)
    £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
    HONEYWELL GA24XT-H-B50

    HONEYWELL

    BW TECHNOLOGIES

    GA24XT-H-B50

    GASALERTCLIP EXTREME 2 DETECTORS, HYDROGEN SULFIDE (H2S) - BULK PACK*, LOW - 10 PPM / HIGH - 15 PPM
    £9,921.80 Price with VAT: £11,906.16 Buy Surplus As Low As £5,953.23 Price with VAT: £7,143.88
    £5,953.23 Price with VAT: £7,143.88
    Repair Yours £4,941.85 Price with VAT: £5,930.23
    HONEYWELL GAXT-H-2-DL

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-H-2-DL

    GASALERT EXTREME DETECTORS, HYDROGEN SULFIDE (H2S) EXTENDED RANGE WITH YELLOW HOUSING, 0-500 PPM
    £325.67 Price with VAT: £390.81 Buy Surplus As Low As £195.70 Price with VAT: £234.84
    £195.70 Price with VAT: £234.84
    Repair Yours £162.84 Price with VAT: £195.40
    HONEYWELL GAXT-Z-DL-B

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-Z-DL-B

    GASALERT EXTREME DETECTORS, HYDROGEN CYANIDE (HCN) WITH BLACK HOUSING, 0-30.0 PPM
    £434.73 Price with VAT: £521.67 Buy Surplus As Low As £260.69 Price with VAT: £312.82
    £260.69 Price with VAT: £312.82
    Repair Yours £216.62 Price with VAT: £259.94
    HONEYWELL 602

    HONEYWELL

    FIRE LITE

    602

    FIRE HEAT DETECTOR
    £9.71 Price with VAT: £11.65 Buy Surplus As Low As £5.70 Price with VAT: £6.84
    £5.70 Price with VAT: £6.84
    HONEYWELL H350

    HONEYWELL

    FIRE LITE

    H350

    HEAT DETECTOR
    £91.13 Price with VAT: £109.35 Buy Surplus As Low As £55.27 Price with VAT: £66.33
    £55.27 Price with VAT: £66.33
    HONEYWELL HOA6523-001

    HONEYWELL

    MICROSWITCH

    HOA6523-001

    INFRARED DETECTORS INFRARED SENSORS
    £6.48 Price with VAT: £7.77 Buy Surplus As Low As £3.88 Price with VAT: £4.66
    £3.88 Price with VAT: £4.66
    HONEYWELL HOA6534-001

    HONEYWELL

    MICROSWITCH

    HOA6534-001

    INFRARED DETECTORS INFRARED SENSORS
    £8.18 Price with VAT: £9.82 Buy Surplus As Low As £4.91 Price with VAT: £5.89
    £4.91 Price with VAT: £5.89
    HONEYWELL HOA6539-001

    HONEYWELL

    MICROSWITCH

    HOA6539-001

    INFRARED DETECTORS INFRARED SENSORS
    £7.67 Price with VAT: £9.21 Buy Surplus As Low As £4.60 Price with VAT: £5.52
    £4.60 Price with VAT: £5.52
    HONEYWELL HOA6549-001

    HONEYWELL

    MICROSWITCH

    HOA6549-001

    INFRARED DETECTORS INFRARED SENSORS
    £10.72 Price with VAT: £12.86 Buy Surplus As Low As £6.43 Price with VAT: £7.72
    £6.43 Price with VAT: £7.72
    HONEYWELL HOA6516-001

    HONEYWELL

    MICROSWITCH

    HOA6516-001

    INFRARED DETECTORS INFRARED SENSORS
    £22.54 Price with VAT: £27.05 Buy Surplus As Low As £13.53 Price with VAT: £16.23
    £13.53 Price with VAT: £16.23
    HONEYWELL HOA6519-001

    HONEYWELL

    MICROSWITCH

    HOA6519-001

    INFRARED DETECTORS INFRARED SENSORS
    £19.40 Price with VAT: £23.28 Buy Surplus As Low As £11.64 Price with VAT: £13.97
    £11.64 Price with VAT: £13.97
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