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    Sensors & Switches / CO2 Sensor

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    HONEYWELL C7232A1032

    HONEYWELL

    C7232A1032

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE SENSOR, 0/2000 PPM RANGE, 0/2-10VDC OR 0/4-20 MA ANALOG CURRENT OUTPUT, ONE NORMALLY OPEN SINGLE POLE SINGLE THROW RELAY OUTPUT, 24VAC/DC, NON DI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $382.00
    $382.00
    HONEYWELL C7232B1006

    HONEYWELL

    C7232B1006

    CO2 SENSOR DUCT MOUNT, 1-10 VDC, OUT
    ✓ IN STOCK!
    $631.00 Buy Surplus As Low As $379.00
    $379.00
    HONEYWELL C7632B1002

    HONEYWELL

    C7632B1002

    DUCT MOUNT CO2 SENSOR, WITHOUT DISPLAY
    ✓ IN STOCK!
    $504.45 Buy Surplus As Low As $215.08
    $215.08
    HONEYWELL FCO-851

    HONEYWELL

    NOTIFIER CO

    FCO-851

    DISCONTINUED BY MANUFACTURER, MULTI-CRITERIA DETECTOR, SMOKE/CO/LIGHT/FLAME/HEAT, INTELLIQUAD
    ✓ IN STOCK!
    Buy Surplus As Low As $207.00
    $207.00
    HONEYWELL MC2-XWHM-Y-NA

    HONEYWELL

    BW TECHNOLOGIES

    MC2-XWHM-Y-NA

    DISCONTINUED BY MANUFACTURER, GASALERTMICROCLIP XT DETECTORS, COMBUSTIBLE (% LEL), OXYGEN (O2), HYDROGEN SULFIDE (H2S), CARBON MONOXIDE (CO) - YELLOW HOUSING
    ✓ IN STOCK!
    Buy Surplus As Low As $533.55
    $533.55
    Repair Yours $540.00
    HONEYWELL S301D2CO

    HONEYWELL

    VULCAIN

    S301D2CO

    REMOTE CARBON MONOXIDE GAS SENSOR, FOR 301EM, 0-255 PPM MEASUREMENT RANGE, 22-27 VAC, +- 40 PPM AT 500 PPM, 4-20 MA SIGNAL OUTPUT, 4 DPDT RELAY OUTPUT
    ✓ IN STOCK!
    $1,278.00 Buy Surplus As Low As $972.00
    $972.00
    HONEYWELL C7232A1016

    HONEYWELL

    C7232A1016

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE (CO2) SENSOR, 0-2000 PPM RANGE, WALL MOUNT, WITHOUT DISPLAY, SELECTABLE 0/2-10 VDC & 0/4-20 MA OUTPUT, SPST RELAY, 24 VAC/DC, HONEYWELL LOGO, (RE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    HONEYWELL C7232B1022

    HONEYWELL

    C7232B1022

    CO2 SENSOR, DCT MOUNT WITH DISPLAY
    ✓ IN STOCK!
    $671.00 Buy Surplus As Low As $510.00
    $510.00
    HONEYWELL C7632A1004

    HONEYWELL

    C7632A1004

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, WALL MOUNT, WITHOUT DISPLAY OR RELAY, 24 V AC/DC, +/-20%, 50/60 HZ, 0-10 VDC FOR 0-2000 PPM FIXED ANALOG OUTPUT, REPLACED BY C7233A1016
    ✓ IN STOCK!
    Buy Surplus As Low As $221.62
    $221.62
    HONEYWELL HPA-U03

    HONEYWELL

    MICROSWITCH

    HPA-U03

    PHOTOELECTRIC
    ✓ IN STOCK!
    Buy Surplus As Low As $84.00
    $84.00
    HONEYWELL CO1224T

    HONEYWELL

    GAMEWELL-FCI

    CO1224T

    CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION
    ✓ IN STOCK!
    $108.00 Buy Surplus As Low As $65.00
    $65.00
    HONEYWELL C7242A-1014

    HONEYWELL

    C7242A-1014

    DISCONTINUED BY MANUFACTURER, CO2 MONITOR/CONTROLLER, ANALOG OUTPUT 0-10VDC, WALL MOUNT, DIGITAL DISPLAY, 15-29VDC/VAC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $442.00
    $442.00
    Repair Yours $287.00
    HONEYWELL E3SRMCO

    HONEYWELL

    VULCAIN

    E3SRMCO

    REMOTE SENSOR, E3 POINT, CARBON MONOXIDE, -4 TO 122 DEGREES F
    ✓ IN STOCK!
    $618.00 Buy Surplus As Low As $371.00
    $371.00
    HONEYWELL E3SRMNO2

    HONEYWELL

    VULCAIN

    E3SRMNO2

    NO2, REMOTE SENSOR, -4/122F
    ✓ IN STOCK!
    $618.00 Buy Surplus As Low As $242.40
    $242.40
    HONEYWELL 1508A2001

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2001

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG
    ✓ IN STOCK!
    $283.45 Buy Surplus As Low As $215.42
    $215.42
    Repair Yours $200.00
    HONEYWELL CO1224T

    HONEYWELL

    SYSTEM SENSOR

    CO1224T

    CARBON MONOXIDE DETECTOR, W/TEST, 4 WIRE, 12-24 V DC, 0.5 AMP, 20 MA IN STANDBY, 40 MA IN ALARM
    ✓ IN STOCK!
    $131.00 Buy Surplus As Low As $79.00
    $79.00
    HONEYWELL CO1224T

    HONEYWELL

    NOTIFIER CO

    CO1224T

    NOTIFIER PLUG-IN SMOKE DETECTORS , CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION; UL2075 LISTED
    $151.00 Buy Surplus As Low As $91.00
    $91.00
    HONEYWELL CO1224TR

    HONEYWELL

    NOTIFIER CO

    CO1224TR

    NOTIFIER PLUG-IN SMOKE DETECTORS , CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION, ROUND; UL2075 LISTED
    $151.00 Buy Surplus As Low As $91.00
    $91.00
    HONEYWELL MIDAS-E-LEL

    HONEYWELL

    VULCAIN

    MIDAS-E-LEL

    SENSOR CARTRIDGE, LEL 0-100% , LEL = 4+20 MA, 4 BUTTONS, STANDARD DISPLAY, FRONT STATUS LEDS
    ✓ IN STOCK!
    $766.00 Buy Surplus As Low As $583.00
    $583.00
    HONEYWELL C7242B1012

    HONEYWELL

    C7242B1012

    CO2 MONITOR/CONTROLLER
    ✓ IN STOCK!
    $373.64 Buy Surplus As Low As $283.97
    $283.97
    Repair Yours $200.00
    HONEYWELL CO1224TR

    HONEYWELL

    GAMEWELL-FCI

    CO1224TR

    CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION
    $159.00 Buy Surplus As Low As $96.00
    $96.00
    Repair Yours Contact Us
    HONEYWELL 129431-L3

    HONEYWELL

    NOTIFIER CO

    129431-L3

    CARBON MONOXIDE SENSORS, SERIES S301D2CO, EXPLOSION PROOF SENSOR
    ✓ IN STOCK!
    $1,447.03 Buy Surplus As Low As $868.22
    $868.22
    HONEYWELL 61010-1

    HONEYWELL

    61010-1

    DISCONTINUED BY MANUFACTURER, GAS SENSOR, NEMKO, IAQ POINT-D, CO2, FIXED, SINGLE, 10 VA, 0.5 AMP, 20-30 VAC, 18-30 VDC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $302.40
    $302.40
    Repair Yours $250.99
    HONEYWELL 201T

    HONEYWELL

    201T

    DISCONTINUED BY MANUFACTURER, CO2 DETECTION TRANSMITTER, INPUT: 17-27 VOLT AC, 50/60 HZ, OUTPUT: 24-38 VOLT DC, 250MA@24 VOLT DC, LED INDICATORS
    ✓ IN STOCK!
    Buy Surplus As Low As $381.11
    $381.11
    HONEYWELL 54-49-90

    HONEYWELL

    BW TECHNOLOGIES

    54-49-90

    O2 SENSOR FOR MULTI PRO
    ✓ IN STOCK!
    $532.67 Buy Surplus As Low As $351.56
    $351.56
    HONEYWELL 50016094-001

    HONEYWELL

    50016094-001

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, 0-30000 PPM CO2 / (1) 0-5 VDC / 3 RELAY OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $35.66
    $35.66
    HONEYWELL TR50-5N

    HONEYWELL

    TR50-5N

    INDOOR AIR QUALITY SENSOR, TR50 SERIES, DETECTION PARAMETERS: TEMPERATURE / RELATIVE HUMIDITY / CARBON DIOXIDE / PARTICULAR MATTER (PM1 PM2.5 AND PM10) & TOTAL VOLATILE ORGANIC COMPOUND
    ✓ IN STOCK!
    $719.00 Buy Surplus As Low As $432.00
    $432.00
    HONEYWELL TR50-3D

    HONEYWELL

    TR50-3D

    CO2/TEMP/HUMID SENSOR,SYLKW/DIS
    ✓ IN STOCK!
    $390.00 Buy Surplus As Low As $234.00
    $234.00
    HONEYWELL C7232B1006/U

    HONEYWELL

    C7232B1006/U

    CO2 SENSOR, RANGE / 0-2000 PPM, 0/2-10 VDC OR 0/4-20MA OUTPUT, WITH DISPLAY, DUCT MOUNT
    ✓ IN STOCK!
    $569.95 Buy Surplus As Low As $433.16
    $433.16
    Repair Yours $283.83
    HONEYWELL C7232B1030

    HONEYWELL

    C7232B1030

    CO2 SENSOR, DCT MOUNT WITHOUT DISPLAY
    ✓ IN STOCK!
    $653.00 Buy Surplus As Low As $392.00
    $392.00
    HONEYWELL E3SRMH2

    HONEYWELL

    VULCAIN

    E3SRMH2

    HYDROGEN REMOTE SENSOR
    ✓ IN STOCK!
    $648.00 Buy Surplus As Low As $389.00
    $389.00
    HONEYWELL SPXCDULNRXM

    HONEYWELL

    NOTIFIER CO

    SPXCDULNRXM

    SENSEPOINT XCD TRANSMITTERS, CLASS I, DIV. 1: UL APPROVAL, COMBUSTIBLE EXPLOSION PROOF TRANSMITTER (IR), METHANE (CH4) 4-20 MA, 3 RELAYS, MODBUS, 0-100% LEL ALUMINUM ENCLOSURE
    ✓ IN STOCK!
    $3,445.00 Buy Surplus As Low As $2,067.00
    $2,067.00
    HONEYWELL SPXCDXSFXSS

    HONEYWELL

    VULCAIN

    SPXCDXSFXSS

    SENSOR, COMBUSTIBLE, FLAMMABLE CATALYTIC BEAD, 0-100% LEL (20.0 TO 100.0% LEL)
    ✓ IN STOCK!
    $1,171.00 Buy Surplus As Low As $703.00
    $703.00
    HONEYWELL SPXCDXSB1SS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXCDXSB1SS

    SENSOR, CARBON DIOXIDE (CO2), 0-2% VOL
    $1,884.00 Buy Surplus As Low As $1,131.00
    $1,131.00
    Repair Yours $939.00
    HONEYWELL C7263A1008

    HONEYWELL

    C7263A1008

    CO2/TEMP SENSOR, WALL UNIT, W/ DISPLAY
    ✓ IN STOCK!
    $570.00 Buy Surplus As Low As $342.00
    $342.00
    HONEYWELL C7233A1008

    HONEYWELL

    C7233A1008

    WALL SENSOR, CO2, W/ DISPLAY
    ✓ IN STOCK!
    $397.00 Buy Surplus As Low As $239.00
    $239.00
    HONEYWELL C7233A1024

    HONEYWELL

    C7233A1024

    CARBON DIOXIDE (CO2) SENSOR, 0-2000 PPM RANGE, WALL MOUNT, WHITE LED DISPLAY, SELECTABLE 0/2-10 VDC & 0/4-20 MA OUTPUT, SPST RELAY, NO LOGO, (REPLACES C7232A1016)
    ✓ IN STOCK!
    $448.00 Buy Surplus As Low As $269.00
    $269.00
    Repair Yours $224.00
    HONEYWELL TR50-5D

    HONEYWELL

    TR50-5D

    TEMPHUMIDCO2 IAQSENSOR CONFIG.
    ✓ IN STOCK!
    $759.00 Buy Surplus As Low As $456.00
    $456.00
    HONEYWELL 1039753

    HONEYWELL

    RESIDEO

    1039753

    10YR BATTERY, CO2 ALARM W/ DIGTEMP
    ✓ IN STOCK!
    $60.00 Buy Surplus As Low As $36.00
    $36.00
    HONEYWELL SPXCDXSFXSS

    HONEYWELL

    NOTIFIER CO

    SPXCDXSFXSS

    XCD CONSUMABLES CLASS I, DIV. 2, FLAMMABLE CAT 0-100% LEL (20 TO 100.0%LEL)
    $1,143.00 Buy Surplus As Low As $686.00
    $686.00
    HONEYWELL C7233A1016

    HONEYWELL

    C7233A1016

    CO2 SENSOR, WALL MOUNT, NO DISPLAY, 2-10 VDC, 4-20 MA, REPLACES C7632A1004
    ✓ IN STOCK!
    $414.00 Buy Surplus As Low As $249.00
    $249.00
    HONEYWELL 1039727

    HONEYWELL

    RESIDEO

    1039727

    BATT OP CO2 ALARM W/ DIGITAL DISPLAY
    ✓ IN STOCK!
    $48.00 Buy Surplus As Low As $29.00
    $29.00
    HONEYWELL CO250B

    HONEYWELL

    RESIDEO

    CO250B

    BATTERY OPER CO2 ALARM
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $21.00
    $21.00
    HONEYWELL 4223990/L01058

    HONEYWELL

    4223990/L01058

    LUMINATOR ASSEMBLY RIGHT ANGLE
    $26.00 Buy Surplus As Low As $16.00
    $16.00
    Repair Yours Contact Us
    HONEYWELL 90DM4SMNETCRD50000

    HONEYWELL

    VULCAIN

    90DM4SMNETCRD50000

    CO2 GASMONITOR SURFACE MNT
    Buy Surplus As Low As $281.00
    $281.00
    Repair Yours $234.00
    HONEYWELL IAQPT-SM-A-TRH

    HONEYWELL

    VULCAIN

    IAQPT-SM-A-TRH

    DISCONTINUED BY MANUFACTURER, CO2 TEMP&HUMIDITYMONITOR4-20MA
    Buy Surplus As Low As $111.00
    $111.00
    Repair Yours Contact Us
    HONEYWELL IAQ-WAC

    HONEYWELL

    VULCAIN

    IAQ-WAC

    CO2 MONITOR, ANALOG
    $270.00 Buy Surplus As Low As $162.00
    $162.00
    Repair Yours $200.00
    HONEYWELL IRFSENSORGUARD

    HONEYWELL

    VULCAIN

    IRFSENSORGUARD

    METAL SENSOR GUARD
    $196.00 Buy Surplus As Low As $118.00
    $118.00
    HONEYWELL IAQPT-SM-M-D

    HONEYWELL

    VULCAIN

    IAQPT-SM-M-D

    DISCONTINUED BY MANUFACTURER, CO2 MONITOR, W/MODBUS & DISPLAY, MEASURES CO2 - TEMPERATURE AND HUMIDITY LEVELS, 0-20 MA-, 4-20 MA SELECTABLE
    Buy Surplus As Low As $840.00
    $840.00
    Repair Yours $700.00
    HONEYWELL S301D2NO2

    HONEYWELL

    VULCAIN

    S301D2NO2

    EXPLOSION PROOF NO2 SENSOR
    $1,615.00 Buy Surplus As Low As $969.00
    $969.00
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