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    32 Results.
    HONEYWELL 129436-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129436-L3

    OXYGEN (O2) EXPLOSION PROOF SENSOR
    $1,417.00 Buy Surplus As Low As $851.00
    $851.00
    Repair Yours $707.00
    HONEYWELL 00705-A-1735

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    00705-A-1735

    COMBUSTIBLE SENSOR, 705 HIGH TEMPERATURE, 150 DEG C, UL, 3/4 NPT THREADS
    $1,355.00 Buy Surplus As Low As $813.00
    $813.00
    Repair Yours $675.00
    HONEYWELL 1309A0039

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0039

    DISCONTINUED BY MANUFACTURER, HYDROGEN (H2), -40 TO 50C (-40 TO 122F)
    Buy Surplus As Low As $504.55
    $504.55
    Repair Yours $399.00
    HONEYWELL M-700138

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700138

    IR-F9-R134A-0/1000-COM, R134A 0/1,000 PPM, COMMERCIAL ENCLOSURE
    $2,793.00 Buy Surplus As Low As $1,676.00
    $1,676.00
    Repair Yours $1,392.00
    HONEYWELL M-700140

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700140

    IR-F9-R507A-0/1000-COM, R507A 0/1,000 PPM, COMMERCIAL ENCLOSURE
    $2,894.00 Buy Surplus As Low As $1,737.00
    $1,737.00
    Repair Yours $1,442.00
    HONEYWELL 129435-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129435-L3

    CHLORINE (CL2) EXPLOSION PROOF SENSOR
    $1,414.00 Buy Surplus As Low As $849.00
    $849.00
    Repair Yours $705.00
    HONEYWELL 1309A0040

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0040

    METHANE (CH4); -40° TO 50°C (-40° TO 122°F)
    $476.00 Buy Surplus As Low As $286.00
    $286.00
    Repair Yours $300.00
    HONEYWELL 1309A0056

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0056

    E³POINT REMOTE SENSOR, OXYGEN (O2)
    $565.00 Buy Surplus As Low As $339.00
    $339.00
    Repair Yours $300.00
    HONEYWELL 1309A0057

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0057

    E³POINT REMOTE SENSOR, NITROGEN DIOXIDE (NO2)
    $565.00 Buy Surplus As Low As $339.00
    $339.00
    Repair Yours $300.00
    HONEYWELL M-507546

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-507546

    NH3 (500 PPM), AIR BALANCE, 58 L
    $1,060.00 Buy Surplus As Low As $636.00
    $636.00
    Repair Yours $528.00
    HONEYWELL M-700123

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700123

    301EM-20 LIGHT STACK ASSEMBLY
    $1,014.00 Buy Surplus As Low As $609.00
    $609.00
    Repair Yours $506.00
    HONEYWELL SS2D51

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2D51

    SMOKE DETECTOR, PHOTOELECTRIC, 4 WIRE, REQUIRES BASE
    $116.00 Buy Surplus As Low As $70.00
    $70.00
    HONEYWELL MDL3W

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    MDL3W

    SYNC CIRCUIT MODULE 12/24VDC WHITE
    $116.00 Buy Surplus As Low As $70.00
    $70.00
    HONEYWELL M-700061

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700061

    IR-F9-R407A-0/1000-COM, R407A 0/1,000 PPM, COMMERCIAL ENCLOSURE
    $2,894.00 Buy Surplus As Low As $1,737.00
    $1,737.00
    Repair Yours $1,442.00
    HONEYWELL M-700081

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700081

    IR-F9-R410A-0/1000-COM, R410A 0/1,000 PPM, COMMERCIAL ENCLOSURE
    $2,894.00 Buy Surplus As Low As $1,737.00
    $1,737.00
    Repair Yours $1,442.00
    HONEYWELL M-700137

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700137

    IR-F9-R22-0/1000-COM, R22 0/1,000 PPM, COMMERCIAL ENCLOSURE
    $2,793.00 Buy Surplus As Low As $1,676.00
    $1,676.00
    Repair Yours $1,392.00
    HONEYWELL 129432-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129432-L3

    NITROGEN DIOXIDE (NO2) EXPLOSION PROOF SENSOR
    $1,107.00 Buy Surplus As Low As $665.00
    $665.00
    Repair Yours $552.00
    HONEYWELL 129570-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129570-L3

    COMBUSTIBLE EXPLOSION PROOF SENSOR - (GAIN 1.0-1.3 / METHANE)
    $1,383.00 Buy Surplus As Low As $830.00
    $830.00
    Repair Yours $689.00
    HONEYWELL 1309A0035

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0035

    HYDROGEN SULFIDE (H2S); -40° TO 50°C (-40° TO 122°F)
    $476.00 Buy Surplus As Low As $286.00
    $286.00
    Repair Yours $300.00
    HONEYWELL 1309A0041

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0041

    PROPANE (C3H8); -40° TO 50°C (-40° TO 122°F)
    $476.00 Buy Surplus As Low As $286.00
    $286.00
    Repair Yours $300.00
    HONEYWELL 1309A0059

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0059

    E³POINT REMOTE SENSOR, HYDROGEN (H2)
    $265.00 Buy Surplus As Low As $159.00
    $159.00
    Repair Yours $300.00
    HONEYWELL 1309A0060

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0060

    REMOTE SENSOR, E3POINT, CARBON MONOXIDE (CO), (E3SRMCO)
    $654.00 Buy Surplus As Low As $393.00
    $393.00
    Repair Yours $327.00
    HONEYWELL 1309A0061

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0061

    E³POINT REMOTE SENSOR, METHANE (CH4)
    $565.00 Buy Surplus As Low As $339.00
    $339.00
    Repair Yours $300.00
    HONEYWELL 1309A0062

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0062

    E³POINT REMOTE SENSOR, PROPANE (C3H8)
    $565.00 Buy Surplus As Low As $339.00
    $339.00
    Repair Yours $300.00
    HONEYWELL MDL3R

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    MDL3R

    SYNC CIRCUIT MODULE 12/24VDC
    $116.00 Buy Surplus As Low As $70.00
    $70.00
    HONEYWELL 1309A0037

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0037

    NITROGEN DIOXIDE (NO2); -40° TO 50°C (-40° TO 122°F)
    $476.00 Buy Surplus As Low As $286.00
    $286.00
    Repair Yours $238.00
    HONEYWELL 129427-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129427-L3

    COMBUSTIBLE EXPLOSION PROOF SENSOR - (GAIN 1.6-1.999 / PROPANE, ETHANOL)
    $1,645.00 Buy Surplus As Low As $987.00
    $987.00
    Repair Yours $820.00
    HONEYWELL 129428-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129428-L3

    COMBUSTIBLE EXPLOSION PROOF SENSOR - (GAIN 2.0-2.219 / N-PENTANE)
    $1,645.00 Buy Surplus As Low As $987.00
    $987.00
    Repair Yours $820.00
    HONEYWELL 129429-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129429-L3

    COMBUSTIBLE EXPLOSION PROOF SENSOR - (GAIN 2.220-2.5 / TOLUENE)
    $1,645.00 Buy Surplus As Low As $987.00
    $987.00
    Repair Yours $820.00
    HONEYWELL 129430-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129430-L3

    COMBUSTIBLE EXPLOSION PROOF SENSOR - (GAIN +2.5 / N-DECANE)
    $1,645.00 Buy Surplus As Low As $987.00
    $987.00
    Repair Yours $820.00
    HONEYWELL M-501427

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-501427

    GAS SENSOR COMBUSTIBLE (LEL)
    $924.00 Buy Surplus As Low As $555.00
    $555.00
    Repair Yours $461.00
    HONEYWELL LT-SEN-R

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    LT-SEN-R

    REFERENCE SENSOR
    $1,690.00 Buy Surplus As Low As $1,014.00
    $1,014.00
    Repair Yours $842.00
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