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    Sensors & Switches / Heat Detector

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    36 Results.
    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 $180.00
    $180.00
    HONEYWELL 5601P

    HONEYWELL

    SYSTEM SENSOR

    5601P

    HEAT DETECTOR, CONVENTIONAL, SINGLE-CIRCUIT, 135 FIXED/RATE OF RISE
    ✓ IN STOCK!
    $26.00 Buy Surplus As Low As $16.00
    $16.00
    HONEYWELL 5624

    HONEYWELL

    GAMEWELL-FCI

    5624

    194 ° F FIXED TEMP., DUAL CIRCUIT N.O., 5600 SERIES
    $49.00 Buy Surplus As Low As $30.00
    $30.00
    HONEYWELL HOA6529-001

    HONEYWELL

    MICROSWITCH

    HOA6529-001

    INFRARED SNSR
    $34.00 Buy Surplus As Low As $21.00
    $21.00
    HONEYWELL HOA6530-001

    HONEYWELL

    MICROSWITCH

    HOA6530-001

    INFRARED SNSR
    $7.79 Buy Surplus As Low As $4.67
    $4.67
    HONEYWELL HOA6554-001

    HONEYWELL

    MICROSWITCH

    HOA6554-001

    INFRARED SNSR
    $39.00 Buy Surplus As Low As $24.00
    $24.00
    HONEYWELL HOA6550-001

    HONEYWELL

    MICROSWITCH

    HOA6550-001

    INFRARED SNSR
    $104.00 Buy Surplus As Low As $63.00
    $63.00
    HONEYWELL FSL100-UVIR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-UVIR

    FLAME DETECTOR, FSL 100 SERIES, UV/IR RED
    $4,315.00 Buy Surplus As Low As $2,589.00
    $2,589.00
    HONEYWELL FSL100-IR3

    HONEYWELL

    GAMEWELL-FCI

    FSL100-IR3

    IR3 FLAME DETECTOR, SUITABLE FOR ATEX ZONE 2/22, FM 3611 CLASS 1 2 & 3 DIV2, EN54-10 (HIGH SENSITIVITY) CERTIFICATE, FM3260 APPROVAL, RED HOUSING
    $3,973.74 Buy Surplus As Low As $1,842.00
    $1,842.00
    HONEYWELL ATD-L3R-IV

    HONEYWELL

    GAMEWELL-FCI

    ATD-L3R-IV

    THERMAL HEAT DETECTOR, 135 DEGREES F RATE OF RISE, IVORY, VELOCITI/CLIP
    ✓ IN STOCK!
    $183.00 Buy Surplus As Low As $110.00
    $110.00
    HONEYWELL Q354A1018

    HONEYWELL

    RESIDEO

    Q354A1018

    FLAME SENSOR ,6IN ROD HEIGHT ,USED W/S825 OR S87,6" FLAME SENSOR ROD
    ✓ IN STOCK!
    $92.00 Buy Surplus As Low As $56.00
    $56.00
    HONEYWELL 5623

    HONEYWELL

    GAMEWELL-FCI

    5623

    SYSTEM SENSOR, 125 VAC, 6 AMP, 3 AMP 26 VDC, 100 F, ALARM TEMP 135, INPUT 14 22 AWG
    ✓ IN STOCK!
    $64.00 Buy Surplus As Low As $49.00
    $49.00
    HONEYWELL HOA6523-001

    HONEYWELL

    MICROSWITCH

    HOA6523-001

    INFRARED SNSR
    $89.00 Buy Surplus As Low As $54.00
    $54.00
    HONEYWELL HOA6534-001

    HONEYWELL

    MICROSWITCH

    HOA6534-001

    INFRARED SNSR
    $75.00 Buy Surplus As Low As $45.00
    $45.00
    HONEYWELL HOA6539-001

    HONEYWELL

    MICROSWITCH

    HOA6539-001

    INFRARED SNSR
    $105.00 Buy Surplus As Low As $63.00
    $63.00
    HONEYWELL HOA6549-001

    HONEYWELL

    MICROSWITCH

    HOA6549-001

    INFRARED SNSR
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    HONEYWELL HOA6516-001

    HONEYWELL

    MICROSWITCH

    HOA6516-001

    INFRARED SNSR
    $109.00 Buy Surplus As Low As $66.00
    $66.00
    HONEYWELL HOA6519-001

    HONEYWELL

    MICROSWITCH

    HOA6519-001

    INFRARED SNSR
    $94.00 Buy Surplus As Low As $57.00
    $57.00
    HONEYWELL HOA6532-002

    HONEYWELL

    MICROSWITCH

    HOA6532-002

    INFRARED SNSR
    $43.00 Buy Surplus As Low As $26.00
    $26.00
    HONEYWELL HOA6541-001

    HONEYWELL

    MICROSWITCH

    HOA6541-001

    INFRARED SNSR
    $60.00 Buy Surplus As Low As $36.00
    $36.00
    HONEYWELL HOA6543-001

    HONEYWELL

    MICROSWITCH

    HOA6543-001

    INFRARED SNSR
    $36.00 Buy Surplus As Low As $22.00
    $22.00
    HONEYWELL GW30954

    HONEYWELL

    GAMEWELL-FCI

    GW30954

    DISCONTINUED(ION SMOKE DETECTOR FOR AIR DUCT, 2 WIRE OR 4 WIRE, 24 VDC (2650-560)
    $167.00 Buy Surplus As Low As $100.00
    $100.00
    Repair Yours Contact Us
    HONEYWELL GA24XT-H510

    HONEYWELL

    BW TECHNOLOGIES

    GA24XT-H510

    GASALERTCLIP EXTREME 2 DETECTORS, HYDROGEN SULFIDE (H2S) (ADJUSTABLE ALARM SETPOINTS OF 5/10 AND 10/15), TOGGLE BETWEEN 5/10 AND 10/15
    $281.00 Buy Surplus As Low As $169.00
    $169.00
    Repair Yours $200.00
    HONEYWELL GA36XT-H510

    HONEYWELL

    BW TECHNOLOGIES

    GA36XT-H510

    GASALERTCLIP EXTREME 3 DETECTORS, HYDROGEN SULFIDE (H2S), LOW - 5 PPM / HIGH - 10 PPM
    $343.00 Buy Surplus As Low As $206.00
    $206.00
    Repair Yours $200.00
    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 $729.00
    $729.00
    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
    $727.00 Buy Surplus As Low As $436.00
    $436.00
    Repair Yours $363.00
    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 $524.00
    $524.00
    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
    $436.00 Buy Surplus As Low As $262.00
    $262.00
    Repair Yours $218.00
    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
    $13,283.00 Buy Surplus As Low As $7,970.00
    $7,970.00
    Repair Yours $6,616.00
    HONEYWELL GAXT-A-DL-B

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-A-DL-B

    GASALERT EXTREME DETECTORS, AMMONIA (NH3) WITH BLACK HOUSING, 0-100 PPM
    $727.00 Buy Surplus As Low As $436.00
    $436.00
    Repair Yours $363.00
    HONEYWELL GAXT-D-DL-B

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-D-DL-B

    GASALERT EXTREME DETECTORS, NITROGEN DIOXIDE (NO2) WITH BLACK HOUSING, 0-99.9 PPM
    $582.00 Buy Surplus As Low As $349.00
    $349.00
    Repair Yours $290.00
    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
    $436.00 Buy Surplus As Low As $262.00
    $262.00
    Repair Yours $218.00
    HONEYWELL GAXT-H-DL-B

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-H-DL-B

    GASALERT EXTREME DETECTORS, HYDROGEN SULFIDE (H2S) WITH BLACK HOUSING, 0-100 PPM
    $395.00 Buy Surplus As Low As $237.00
    $237.00
    Repair Yours $200.00
    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
    $582.00 Buy Surplus As Low As $349.00
    $349.00
    Repair Yours $290.00
    HONEYWELL ECO-D-B-11-42

    HONEYWELL

    GAMEWELL-FCI

    ECO-D-B-11-42

    HYDROGEN (H2) 0-100% LEL + (NH3) 0-100 PPM
    $9,703.00 Buy Surplus As Low As $5,822.00
    $5,822.00
    Repair Yours $4,833.00
    HONEYWELL SPXCDUSNFX

    HONEYWELL

    GAMEWELL-FCI

    SPXCDUSNFX

    UL CSA APPROVED SP XCD FLAMMABLE CAT
    $1,972.00 Buy Surplus As Low As $1,183.00
    $1,183.00
    Repair Yours $983.00
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