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    Sensors & Switches / Heat Detector

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    Results 1-50 of 54.
    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 £123.50 Price with VAT: £148.20
    £123.50 Price with VAT: £148.20
    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!
    £53.63 Price with VAT: £64.36 Buy Surplus As Low As £35.39 Price with VAT: £42.47
    £35.39 Price with VAT: £42.47
    HONEYWELL 5602

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5602

    HEAT DETECTOR, 194 DEGREES F FIXED TEMP/RATE OF RISE, SINGLE CIRCUIT, SCREW TERMINALS, REPLACES HD-602
    ✓ IN STOCK!
    £29.74 Price with VAT: £35.69 Buy Surplus As Low As £17.84 Price with VAT: £21.41
    £17.84 Price with VAT: £21.41
    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 £135.43 Price with VAT: £162.52
    £135.43 Price with VAT: £162.52
    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 £95.81 Price with VAT: £114.97
    £95.81 Price with VAT: £114.97
    HONEYWELL IDP-HEAT-HT

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-HEAT-HT

    DISCONTINUED BY MANUFACTURER, IDPHEATHT, ADDRESSABLE, VARIABLE DETECTOR, HIGH TEMP,135 DEG.F - 190
    Buy Surplus As Low As £119.36 Price with VAT: £143.23
    £119.36 Price with VAT: £143.23
    HONEYWELL 5622

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5622

    CONVENTIONAL HEAT DETECTOR, DUAL-CIRCUIT, 194 FIXED/RATE-OF-RISE
    £38.31 Price with VAT: £45.97 Buy Surplus As Low As £23.58 Price with VAT: £28.29
    £23.58 Price with VAT: £28.29
    HONEYWELL 5623

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5623

    SYSTEM SENSOR, 125 VAC, 6 AMP, 3 AMP 26 VDC, 100 F, ALARM TEMP 135, INPUT 14 22 AWG
    £47.15 Price with VAT: £56.58 Buy Surplus As Low As £28.73 Price with VAT: £34.48
    £28.73 Price with VAT: £34.48
    HONEYWELL FSL100-IR3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-IR3

    FLAME DETECTOR, WITH RED HOUSE
    £2,801.78 Price with VAT: £3,362.14 Buy Surplus As Low As £1,681.54 Price with VAT: £2,017.85
    £1,681.54 Price with VAT: £2,017.85
    HONEYWELL FSL100-UVIR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-UVIR

    UV/IR FLAME DETECTOR DELIVERS ROBUST, FAST, AND RELIABLE DETECTION OF FLAMING FIRES IN A WIDE RANGE OF APPLICATIONS
    £4,405.90 Price with VAT: £5,287.08 Buy Surplus As Low As £1,482.39 Price with VAT: £1,778.86
    £1,482.39 Price with VAT: £1,778.86
    HONEYWELL IDP-HEAT-ROR-W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-HEAT-ROR-W

    INTELLIGENT RATE OF RISE THERMAL SENSOR, WHITE, 15 DEGREE F PER MINUTE, 135 DEGREE F FIXED
    £53.43 Price with VAT: £64.12 Buy Surplus As Low As £32.06 Price with VAT: £38.47
    £32.06 Price with VAT: £38.47
    HONEYWELL SK-HEAT-HT-W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-HEAT-HT-W

    ADDRESSABLE HIGH HEAT DETECTOR, WHITE, INCLUDES BASE
    £66.29 Price with VAT: £79.54 Buy Surplus As Low As £39.77 Price with VAT: £47.73
    £39.77 Price with VAT: £47.73
    HONEYWELL SK-HEAT-HT

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-HEAT-HT

    HI-TEMP HEAT DETECTOR (BASE INCLUDED IN SK DEVICE)
    £97.48 Price with VAT: £116.98 Buy Surplus As Low As £58.79 Price with VAT: £70.54
    £58.79 Price with VAT: £70.54
    HONEYWELL SD505-HEAT

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SD505-HEAT

    DISCONTINUED BY MANUFACTURER, HEAT DETECTOR, LOW PROFILE, 17-41 VOLTS, 0.55 MILLAMPERE STANDBY
    Buy Surplus As Low As £229.94 Price with VAT: £275.93
    £229.94 Price with VAT: £275.93
    HONEYWELL FS20X-211-21-2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS20X-211-21-2

    FLAME DETECTOR, 18- 32 VDC, 50 - 400 OHMS, 3/4 IN NPT, ULTRAVIOLET
    £4,844.28 Price with VAT: £5,813.13 Buy Surplus As Low As £2,523.44 Price with VAT: £3,028.13
    £2,523.44 Price with VAT: £3,028.13
    HONEYWELL 302-AW-135

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-AW-135

    HEAT DETECTOR, 302 SERIES, 135 F (57 C), VERTICAL MOUNT, FLYING LEADS, 6-125 V DC, 0.5-5 A
    £56.73 Price with VAT: £68.08 Buy Surplus As Low As £34.63 Price with VAT: £41.55
    £34.63 Price with VAT: £41.55
    HONEYWELL WIDP-PHOTO

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WIDP-PHOTO

    SWIFT WIRELESS PHOTOELECTRIC DETECTOR
    £268.19 Price with VAT: £321.82 Buy Surplus As Low As £161.35 Price with VAT: £193.62
    £161.35 Price with VAT: £193.62
    HONEYWELL HASOLO-461

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    HASOLO-461

    SOLO-461 CORDLESS HEAT DETC TESTER
    £2,082.12 Price with VAT: £2,498.54 Buy Surplus As Low As £1,249.57 Price with VAT: £1,499.48
    £1,249.57 Price with VAT: £1,499.48
    HONEYWELL IDP-HEAT-ROR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-HEAT-ROR

    ADDRESSABLE THRML DETC FIX TEMP 135°F, RATE OF RISE
    £58.21 Price with VAT: £69.85 Buy Surplus As Low As £35.37 Price with VAT: £42.44
    £35.37 Price with VAT: £42.44
    HONEYWELL FS20X-211-24-3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS20X-211-24-3

    DUAL IR/UV STAINLESS STEEL ENCL. WITH (2) M25 ENTRIES, FM, CFM, ATEX, IECEX FOR CLASS I, ZONE 1
    £4,637.98 Price with VAT: £5,565.58 Buy Surplus As Low As £2,782.79 Price with VAT: £3,339.35
    £2,782.79 Price with VAT: £3,339.35
    HONEYWELL FS24X-211-21-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-211-21-1

    QUADBAND™ IR3+ DETECTOR, COPPER-FREE ALUMINUM ENCL., (2) ¾”NPT ENTRIES FM & ATEX APPROVED
    £5,278.23 Price with VAT: £6,333.88 Buy Surplus As Low As £3,167.38 Price with VAT: £3,800.86
    £3,167.38 Price with VAT: £3,800.86
    HONEYWELL FS24X-211-22-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-211-22-1

    QUADBAND™ IR3+ DETECTOR, 316 STAINLESS STEEL ENCL., (2) ¾” NPT ENTRIES FM & ATEX APPROVED
    £5,694.51 Price with VAT: £6,833.41 Buy Surplus As Low As £3,417.15 Price with VAT: £4,100.58
    £3,417.15 Price with VAT: £4,100.58
    HONEYWELL FS24X-211-23-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-211-23-1

    QUADBAND™ IR3+ DETECTOR, COPPER-FREE ALUMINUM ENCL., (2) M25 ENTRIES FM & ATEX APPROVED
    £5,278.23 Price with VAT: £6,333.88 Buy Surplus As Low As £3,167.38 Price with VAT: £3,800.86
    £3,167.38 Price with VAT: £3,800.86
    HONEYWELL FS24X-911-23-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-911-23-1

    QUADBAND™ IR3+ DETECTOR, COPPER-FREE ALUMINUM ENCL., (2) M25 FM & ATEX APPROVEDENTRIES FM & ATEX AP
    £3,007.50 Price with VAT: £3,609.00 Buy Surplus As Low As £1,805.09 Price with VAT: £2,166.11
    £1,805.09 Price with VAT: £2,166.11
    Repair Yours £1,498.59 Price with VAT: £1,798.31
    HONEYWELL FS24X-911-24-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-911-24-1

    QUADBAND™ IR3+ DETECTOR, 316 STAINLESS STEEL ENCL. (2) 25MM ENTRIES FM & ATEX APPROVED
    £3,409.04 Price with VAT: £4,090.85 Buy Surplus As Low As £2,046.02 Price with VAT: £2,455.22
    £2,046.02 Price with VAT: £2,455.22
    Repair Yours £1,698.26 Price with VAT: £2,037.91
    HONEYWELL 302-135

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-135

    135 °F (57° C) VERTICAL MOUNT.
    £53.78 Price with VAT: £64.54 Buy Surplus As Low As £32.42 Price with VAT: £38.90
    £32.42 Price with VAT: £38.90
    HONEYWELL 302-ET-135

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-ET-135

    135 °F (57° C) VERTICAL MOUNT, INDOOR OR OUTDOOR USE. CAN BE MOUNTED TO 1/2" CONDUIT THREADS FOR ATTACHMENT TO THREADED HUB COVER.
    £55.26 Price with VAT: £66.31 Buy Surplus As Low As £33.15 Price with VAT: £39.79
    £33.15 Price with VAT: £39.79
    HONEYWELL 302-ET-194

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-ET-194

    194 °F (90° C) VERTICAL MOUNT, INDOOR OR OUTDOOR USE, CAN BE MOUNTED TO 1/2" CONDUIT THREADS FOR ATTACHMENT TO THREADED HUB COVER.
    £55.26 Price with VAT: £66.31 Buy Surplus As Low As £33.15 Price with VAT: £39.79
    £33.15 Price with VAT: £39.79
    HONEYWELL 5621

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5621

    135 F FIXED TEMP/RATE OF RISE HEAT DET. DUAL CIRCUIT
    £35.37 Price with VAT: £42.44 Buy Surplus As Low As £21.37 Price with VAT: £25.64
    £21.37 Price with VAT: £25.64
    HONEYWELL 5624

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5624

    194 F FIXED TEMP ONLY HEAT DET. DUAL CIRCUIT
    £42.73 Price with VAT: £51.28 Buy Surplus As Low As £25.79 Price with VAT: £30.94
    £25.79 Price with VAT: £30.94
    HONEYWELL FSL100-IR3-W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-IR3-W

    IR3 FLAME DETECTOR WHITE
    £2,838.05 Price with VAT: £3,405.65 Buy Surplus As Low As £1,703.42 Price with VAT: £2,044.10
    £1,703.42 Price with VAT: £2,044.10
    HONEYWELL FSL100-UV-W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-UV-W

    UV FLAME DETECTOR WHITE
    £2,955.19 Price with VAT: £3,546.23 Buy Surplus As Low As £1,773.41 Price with VAT: £2,128.09
    £1,773.41 Price with VAT: £2,128.09
    HONEYWELL FSL100-UVIR-W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-UVIR-W

    UVIR FLAME DETECTOR WHITE
    £2,939.72 Price with VAT: £3,527.66 Buy Surplus As Low As £1,763.83 Price with VAT: £2,116.60
    £1,763.83 Price with VAT: £2,116.60
    HONEYWELL WSK-HEAT

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WSK-HEAT

    SWIFT WIRELESS HEAT DETECTOR INCLUDES B501W BASE
    £171.67 Price with VAT: £206.00 Buy Surplus As Low As £103.15 Price with VAT: £123.78
    £103.15 Price with VAT: £123.78
    HONEYWELL WSK-HEAT-ROR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WSK-HEAT-ROR

    SWIFT WIRELESS HEAT RATE-OF-RISE DETECTOR INCLUDES B501W BASE
    £180.51 Price with VAT: £216.61 Buy Surplus As Low As £108.31 Price with VAT: £129.97
    £108.31 Price with VAT: £129.97
    HONEYWELL IFP-1000ECS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IFP-1000ECS

    IFP-1000 INTEGRATED WITH EMERGENCY COMMUNICATION SYSTEM - NEW PRICE
    £4,043.40 Price with VAT: £4,852.09 Buy Surplus As Low As £2,426.19 Price with VAT: £2,911.43
    £2,426.19 Price with VAT: £2,911.43
    Repair Yours £2,014.33 Price with VAT: £2,417.20
    HONEYWELL FS20X-211-10

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS20X-211-10

    OBSOLETE, FS20X21110, REPLACEMENT ELECTRONICS MODULE FOR FS20X DETECTORS. MODULE ONLY, STANDARD TEMP. RANGE
    Buy Surplus As Low As £2,563.97 Price with VAT: £3,076.76
    £2,563.97 Price with VAT: £3,076.76
    Repair Yours £2,136.64 Price with VAT: £2,563.97
    HONEYWELL FS20X-211-22-2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS20X-211-22-2

    DUAL IR/UV STAINLESS STEEL ENCL. WITH (2) ¾”NPT ENTRIES, FM, CFM FOR CLASS I, DIVISION 1, GROUPS A,
    £4,554.72 Price with VAT: £5,465.67 Buy Surplus As Low As £2,733.42 Price with VAT: £3,280.11
    £2,733.42 Price with VAT: £3,280.11
    HONEYWELL FS20X-211-23-3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS20X-211-23-3

    DUAL IR/UV COPPER-FREE ALUMINUM ENCL. WITH (2) M25 ENTRIES, FM, CFM, ATEX, IECEX FOR CLASS I, ZONE
    £3,098.13 Price with VAT: £3,717.75 Buy Surplus As Low As £1,858.88 Price with VAT: £2,230.65
    £1,858.88 Price with VAT: £2,230.65
    Repair Yours £1,543.54 Price with VAT: £1,852.24
    HONEYWELL FS24X-211-24-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-211-24-1

    QUADBAND™ IR3+ DETECTOR, 316 STAINLESS STEEL ENCL. (2) M25 ENTRIES FM & ATEX APPROVED
    £5,670.93 Price with VAT: £6,805.12 Buy Surplus As Low As £3,403.15 Price with VAT: £4,083.78
    £3,403.15 Price with VAT: £4,083.78
    HONEYWELL FS24X-911-21-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-911-21-1

    QUADBAND™ IR3+ DETECTOR, COPPER-FREE ALUMINUM ENCL., (2) ¾”NPT ENTRIES FM & ATEX APPROVED
    £4,030.88 Price with VAT: £4,837.06 Buy Surplus As Low As £2,418.82 Price with VAT: £2,902.59
    £2,418.82 Price with VAT: £2,902.59
    HONEYWELL FS24X-911-22-1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FS24X-911-22-1

    QUADBAND™ IR3+ DETECTOR, 316 STAINLESS STEEL ENCL., (2) ¾” NPT ENTRIES FM & ATEX APPROVED
    £7,893.78 Price with VAT: £9,472.53 Buy Surplus As Low As £4,736.71 Price with VAT: £5,684.05
    £4,736.71 Price with VAT: £5,684.05
    HONEYWELL 302-194

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-194

    194 °F (90° C) VERTICAL MOUNT.
    £53.78 Price with VAT: £64.54 Buy Surplus As Low As £32.42 Price with VAT: £38.90
    £32.42 Price with VAT: £38.90
    HONEYWELL 302-AW-194

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-AW-194

    194 °F (90° C) VERTICAL MOUNT, FOR INDOOR OR OUTDOOR USE.
    £56.73 Price with VAT: £68.08 Buy Surplus As Low As £34.63 Price with VAT: £41.55
    £34.63 Price with VAT: £41.55
    HONEYWELL 302-EPM-135

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-EPM-135

    135 °F (57° C) EXPLOSION-PROOF.
    £103.15 Price with VAT: £123.78 Buy Surplus As Low As £61.89 Price with VAT: £74.27
    £61.89 Price with VAT: £74.27
    HONEYWELL 302-EPM-194

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-EPM-194

    194 °F (90° C) EXPLOSION-PROOF.
    £112.73 Price with VAT: £135.27 Buy Surplus As Low As £67.78 Price with VAT: £81.34
    £67.78 Price with VAT: £81.34
    HONEYWELL 5601P

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5601P

    135 F FIXED TEMP/RATE OF RISE HEAT DET. SINGLE CIRCUIT
    £19.16 Price with VAT: £22.99 Buy Surplus As Low As £11.79 Price with VAT: £14.15
    £11.79 Price with VAT: £14.15
    HONEYWELL 5603

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5603

    135 F FIXED TEMP ONLY HEAT DET. SINGLE CIRCUIT
    £31.46 Price with VAT: £37.75 Buy Surplus As Low As £18.88 Price with VAT: £22.65
    £18.88 Price with VAT: £22.65
    HONEYWELL E2010

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    E2010

    CENTRAL STATION CONTROL ENCODER / DECODER, DESKTOP
    £4,431.68 Price with VAT: £5,318.02 Buy Surplus As Low As £2,659.01 Price with VAT: £3,190.81
    £2,659.01 Price with VAT: £3,190.81
    HONEYWELL SD505-HEAT-BP

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SD505-HEAT-BP

    ADDRESSABLE HEAT DETECTOR 135?F - 150?F BULK PACK (QTY 10)
    £679.30 Price with VAT: £815.16 Buy Surplus As Low As £408.17 Price with VAT: £489.81
    £408.17 Price with VAT: £489.81
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