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    Results 101-150 of 995.
    HONEYWELL 1508A2030

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2030

    IAQPOINT VOC MONITOR, DUCT MOUNT, LON, TEMP AND RH, DISPLAY
    $917.00 Buy Surplus As Low As $551.00
    $551.00
    Repair Yours Contact Us
    HONEYWELL 160104

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    160104

    DETECTOR BASE, HSB SERIES, POLARIZED, CONVENTIONAL, 6", 24 VDC, W/RESISTOR
    $20.00 Buy Surplus As Low As $12.00
    $12.00
    HONEYWELL 2106B1545

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1545

    OXYGEN (O2) 0-25%VOL REPLACEMENT CELL KIT
    $1,309.00 Buy Surplus As Low As $786.00
    $786.00
    Repair Yours Contact Us
    HONEYWELL 2106B1546

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1546

    SULFUR DIOXIDE (SO2) 0-15 PPM REPLACEMENT CELL KIT
    $1,472.00 Buy Surplus As Low As $884.00
    $884.00
    Repair Yours Contact Us
    HONEYWELL 2106B1547

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1547

    CHLORINE (CL2) 0-5 PPM REPLACEMENT CELL KIT
    $1,673.00 Buy Surplus As Low As $1,004.00
    $1,004.00
    Repair Yours Contact Us
    HONEYWELL 2106B1594

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1594

    NITRIC OXIDE (NO) 0-100 PPM REPLACEMENT CELL KIT
    $1,472.00 Buy Surplus As Low As $884.00
    $884.00
    Repair Yours Contact Us
    HONEYWELL 2106B1596

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1596

    AMMONIA (NH3) 0-50 PPM REPLACEMENT CELL KIT
    $1,546.00 Buy Surplus As Low As $928.00
    $928.00
    Repair Yours Contact Us
    HONEYWELL 2106B1597

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1597

    HYDROGEN (H2) 0-1,000 PPM REPLACEMENT CELL KIT
    $1,439.00 Buy Surplus As Low As $864.00
    $864.00
    Repair Yours Contact Us
    HONEYWELL 2106B1599

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1599

    NITROGEN DIOXIDE (NO2) 0-10 PPM REPLACEMENT CELL KIT
    $1,375.00 Buy Surplus As Low As $825.00
    $825.00
    Repair Yours Contact Us
    HONEYWELL 2106B1806

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1806

    CARBON MONOXIDE (CO) 0-200 PPM SENSOR
    $2,068.00 Buy Surplus As Low As $1,241.00
    $1,241.00
    Repair Yours Contact Us
    HONEYWELL 2106B1810

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1810

    CHLORINE (CL2) 0-5 PPM SENSOR
    $2,341.00 Buy Surplus As Low As $1,405.00
    $1,405.00
    Repair Yours Contact Us
    HONEYWELL 2106B1813

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1813

    AMMONIA (NH3) 0-50 PPM SENSOR
    $2,308.00 Buy Surplus As Low As $1,385.00
    $1,385.00
    Repair Yours Contact Us
    HONEYWELL 2106B1818

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1818

    NITRIC OXIDE (NO) 0-100 PPM SENSOR
    $2,234.00 Buy Surplus As Low As $1,341.00
    $1,341.00
    Repair Yours Contact Us
    HONEYWELL 2106B1822

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1822

    NITROGEN DIOXIDE (NO2) 0-10 PPM SENSOR
    $2,068.00 Buy Surplus As Low As $1,241.00
    $1,241.00
    Repair Yours Contact Us
    HONEYWELL 2106B1830

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B1830

    OXYGEN (O2) 0-25%VOL SENSOR
    $1,077.00 Buy Surplus As Low As $647.00
    $647.00
    Repair Yours Contact Us
    HONEYWELL 2106B2114

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2106B2114

    TOXIC CALIBRATION KIT W/CALIBRATION COVER, REMOVAL TOOL, POTENTIOMETER ADJUSTMENT TOOL - NOTE: FLOW
    $560.00 Buy Surplus As Low As $336.00
    $336.00
    HONEYWELL 2108D0275

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2108D0275

    OPTIMA PLUS DELUGE / HEAT SHADE
    $245.00 Buy Surplus As Low As $147.00
    $147.00
    HONEYWELL 2430-0021

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2430-0021

    SENSEPOINT XCD RTD REMOTE JUNCTION BOX, 3 TERMINAL
    $513.00 Buy Surplus As Low As $308.00
    $308.00
    HONEYWELL 251-001

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    251-001

    ASPIRATING SMOKE TEST WIRE (100 METER)
    $94.00 Buy Surplus As Low As $57.00
    $57.00
    HONEYWELL 29431-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    29431-L3

    CARBON MONOXIDE (CO) EXPLOSION PROOF SENSOR
    $871.00 Buy Surplus As Low As $523.00
    $523.00
    Repair Yours Contact Us
    HONEYWELL 2W-B

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    2W-B

    SMOKE DETECTOR, PHOTOELECTRIC, I3 SERIES, WALL/CEILING MOUNT, 2 WIRE, 12V/24VDC, PLUG IN, W/BASE
    $75.19 Buy Surplus As Low As $57.68
    $57.68
    HONEYWELL 301-AP

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-AP

    301AP ANNUNCIATOR PANEL FOR 301C CONTROLLER
    $1,215.00 Buy Surplus As Low As $729.00
    $729.00
    Repair Yours Contact Us
    HONEYWELL 301-C

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-C

    301C CONTROLLER, PLASTIC ENCLOSURE
    $2,455.00 Buy Surplus As Low As $1,473.00
    $1,473.00
    Repair Yours Contact Us
    HONEYWELL 301-EM-RFSA-CA1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-EM-RFSA-CA1

    301-EM CONTROLLER W/ HORN & STROBE, TYPE 1 CANADA
    $4,413.00 Buy Surplus As Low As $2,648.00
    $2,648.00
    Repair Yours Contact Us
    HONEYWELL 301-EM-RFSA-CA2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-EM-RFSA-CA2

    301-EM CONTROLLER W/ HORN & STROBE TYPE 2 CANADA
    $3,881.00 Buy Surplus As Low As $2,329.00
    $2,329.00
    Repair Yours Contact Us
    HONEYWELL 301-EM-RFSA-US3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-EM-RFSA-US3

    301-EM CONTROLLER W/ HORN & STROBE TYPE 3 US
    $2,981.00 Buy Surplus As Low As $1,789.00
    $1,789.00
    Repair Yours Contact Us
    HONEYWELL 301-EMRP

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-EMRP

    301-EM REMOTE PANEL
    $1,113.00 Buy Surplus As Low As $668.00
    $668.00
    Repair Yours Contact Us
    HONEYWELL 301-EM-US3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-EM-US3

    301-EM CONTROLLER TYPE 3 US
    $2,686.00 Buy Surplus As Low As $1,612.00
    $1,612.00
    Repair Yours Contact Us
    HONEYWELL 301-R8

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-R8

    301-R8 RELAY MODULE WITH 8 RELAYS
    $693.00 Buy Surplus As Low As $416.00
    $416.00
    Repair Yours Contact Us
    HONEYWELL 301-R8-FS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    301-R8-FS

    301-R8 RELAY MODULE WITH 8 RELAYS, FAILSAFE
    $801.00 Buy Surplus As Low As $481.00
    $481.00
    Repair Yours Contact Us
    HONEYWELL 30-2021E-24

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    30-2021E-24

    EXPLOSION-PROOF, UV, 24 VDC [NOT FM OR CSFM LISTED]
    $7,674.00 Buy Surplus As Low As $4,605.00
    $4,605.00
    Repair Yours Contact Us
    HONEYWELL 30-2056B

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    30-2056B

    DISCONTINUED - EXPLOSION PROOF, IR, 24 VDC [NOT FM OR CSFM LISTED]
    Buy Surplus As Low As $7,350.00
    $7,350.00
    HONEYWELL 302-135

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-135

    135 °F (57° C) VERTICAL MOUNT.
    $76.00 Buy Surplus As Low As $46.00
    $46.00
    HONEYWELL 302-EPM-135

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-EPM-135

    135 °F (57° C) EXPLOSION-PROOF.
    $143.00 Buy Surplus As Low As $86.00
    $86.00
    HONEYWELL 302-EPM-194

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    302-EPM-194

    194 °F (90° C) EXPLOSION-PROOF.
    $157.00 Buy Surplus As Low As $95.00
    $95.00
    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.
    $77.00 Buy Surplus As Low As $47.00
    $47.00
    HONEYWELL 31T-115-R

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    31T-115-R

    HORN, ELECTRO-MECHANICAL, 115 VAC, SEMI-FLUSH, RED
    $101.00 Buy Surplus As Low As $61.00
    $61.00
    HONEYWELL 4180

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    4180

    DISCONTINUED BY MANUFACTURER, PLC MODULE, STATUS DISPLAY, PC BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $133.25
    $133.25
    Repair Yours Contact Us
    HONEYWELL 420-I

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    420-I

    420I DIGITAL ANALOG OUTPUT CONVERTER. MODBUS RS-485 TO 4-20MA
    $1,331.00 Buy Surplus As Low As $799.00
    $799.00
    Repair Yours Contact Us
    HONEYWELL 4WTAR-B

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    4WTAR-B

    I3 4-WIRE PHOTO HEAT SOUNDER & FORM C RELAY
    $152.00 Buy Surplus As Low As $92.00
    $92.00
    HONEYWELL 4WT-B

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    4WT-B

    I3 4-WIRE PHOTO DETECTOR W/THERMAL, 12/24 VT WITH BASE
    $80.00 Buy Surplus As Low As $48.00
    $48.00
    HONEYWELL 5104

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5104

    DISCONTINUED BY MANUFACTURER, FIRE ALARM CONTROL BOARD, FOUR-ZONE, ENCLOSED
    Buy Surplus As Low As $504.55
    $504.55
    Repair Yours Contact Us
    HONEYWELL 5104B

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5104B

    DISCONTINUED BY MANUFACTURER, FIRE CONTROL COMMUNICATOR, 6 ZONE, 12VDC, RED ENCLOSURE, 31.1 X 36.8 X 7.6CM
    ✓ IN STOCK!
    Buy Surplus As Low As $840.00
    $840.00
    Repair Yours Contact Us
    HONEYWELL 5104E

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5104E

    DISCONTINUED BY MANUFACTURER, FIRE ALARM COMMUNICATOR BOARD
    ✓ IN STOCK!
    Buy Surplus As Low As $319.26
    $319.26
    Repair Yours Contact Us
    HONEYWELL 5104RB

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5104RB

    PC BOARD ONLY 5104
    $430.00 Buy Surplus As Low As $258.00
    $258.00
    Repair Yours Contact Us
    HONEYWELL 5197

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5197

    DISCONTINUED BY MANUFACTURER, POWER SUPPLY, USED IN FIRE ALARM SYSTEMS, 120VAC 60HZ INPUT VOLTAGE, OUTPUT: 12VDC/24VDC
    Buy Surplus As Low As $351.23
    $351.23
    Repair Yours Contact Us
    HONEYWELL 5205

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5205

    FIRE ALARM PANEL CIRCUIT BOARD, DIGITAL DIALER
    ✓ IN STOCK!
    $711.00 Buy Surplus As Low As $213.89
    $213.89
    Repair Yours Contact Us
    HONEYWELL 5207

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5207

    DISCONTINUED BY MANUFACTURER, PCB, FIRE ALARM BOARD, FOR FIRE PLANEL
    Buy Surplus As Low As $762.49
    $762.49
    Repair Yours Contact Us
    HONEYWELL 5220

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5220

    MODULE, FIRE DIRECT CONNECT , 5220
    ✓ IN STOCK!
    $146.22 Buy Surplus As Low As $87.73
    $87.73
    Repair Yours Contact Us
    HONEYWELL 5230

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    5230

    DISCONTINUED BY MANUFACTURER, FIRE REMOTE ANNUNCIATOR, LCD, FOR USE WITH 5207; 5104;,5128; 5129
    Buy Surplus As Low As $410.92
    $410.92
    Repair Yours Contact Us
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