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    HONEYWELL S301-IRF-R123

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R123

    R123 REFRIGERANT GAS SENSOR
    ✓ IN STOCK!
    $2,747.00 Buy Surplus As Low As $1,649.00
    $1,649.00
    Repair Yours $1,369.00
    HONEYWELL S301-IRF-R22

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R22

    R22 REFRIGERANT GAS SENSOR, MEASUREMENT RANGE: 0-1000 PPM, OUTPUT: 4-20 MA, 22-27 VAC @ 48 VA 50/60 HZ / 22-38 VDC @ 2 A MAX
    $6,723.00 Buy Surplus As Low As $4,035.00
    $4,035.00
    Repair Yours $2,490.00
    HONEYWELL S301-IRF-R134A

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R134A

    REFRIGERANT GAS SENSOR, 10 VDC, 700 MA, FOR USE WITH 301-EM (0-100 PPM)
    $2,848.00 Buy Surplus As Low As $1,709.00
    $1,709.00
    Repair Yours $1,350.00
    HONEYWELL 9602-0205

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    9602-0205

    GAS DETECTOR, SATELLITE XT SERIES, 4-20 MA, WITHOUT RELAYS, DIN
    ✓ IN STOCK!
    $3,963.00 Buy Surplus As Low As $2,021.30
    $2,021.30
    Repair Yours $1,677.68
    HONEYWELL SPXCDULNTXFM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXCDULNTXFM

    TRANSMITTER, SENSEPOINT XCD GAS DETECTOR, TRANSMITTER ONLY, 16-32 VDC INPUT VOLTAGE, 24 VDC NOMINAL, RELAY OUTPUT, RS485/MODBUS RTU COMMUNICATION, PLATE/PIPE MOUNT, IP66 ENCLOSURE
    $1,958.00 Buy Surplus As Low As $1,175.00
    $1,175.00
    Repair Yours $976.00
    HONEYWELL ECO-SC-11

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-11

    GAS DETECTION SENSOR, CARTRIDGE, HYDROGEN (H2) 0-100% LEL, INTEGRAL ALARM STATUS LEDS, 4-20 MA ANALOG OUTPUTS, REMOTE RESET
    $1,562.00 Buy Surplus As Low As $938.00
    $938.00
    HONEYWELL S301-IRF-R404A

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R404A

    R404A REFRIGERANT GAS SENSOR
    $2,848.00 Buy Surplus As Low As $1,709.00
    $1,709.00
    Repair Yours $1,419.00
    HONEYWELL S301-IRF-R407C

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R407C

    R407C REFRIGERANT GAS SENSOR
    $2,848.00 Buy Surplus As Low As $1,709.00
    $1,709.00
    Repair Yours $1,419.00
    HONEYWELL S301-IRF-R4310

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R4310

    R4310 REFRIGERANT GAS SENSOR
    $3,126.00 Buy Surplus As Low As $1,876.00
    $1,876.00
    Repair Yours $1,558.00
    HONEYWELL TPPLBAWA8DNNNNN

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLBAWA8DNNNNN

    TPPL CONTROLLER BASIC, WALL MOUNT, AC115/220 150W, 8 X MA INPUT WITH 24 X RELAY OUTPUT
    $8,696.00 Buy Surplus As Low As $5,218.00
    $5,218.00
    Repair Yours $4,331.00
    HONEYWELL ECO-SC-11-31

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-11-31

    GAS DETECTION SENSOR, DUAL CARTRIDGE, HYDROGEN (H2) 0-100% LEL, OXYGEN (O2) 0-25%, VOLINTEGRAL ALARM STATUS LEDS, 4-20 MA ANALOG OUTPUTS, REMOTE RESET
    $2,803.00 Buy Surplus As Low As $1,682.00
    $1,682.00
    HONEYWELL ECO-SC-11-EX

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-11-EX

    GAS DETECTION SENSOR, CARTRIDGE, PROPANE+ OXYGEN, VOLINTEGRAL ALARM STATUS LEDS, 4-20 MA ANALOG OUTPUTS, REMOTE RESET
    $2,314.00 Buy Surplus As Low As $1,389.00
    $1,389.00
    HONEYWELL ECO-SC-43

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECO-SC-43

    HYDROGEN SULFIDE (H2S) 0-100 PPM
    $2,005.00 Buy Surplus As Low As $1,203.00
    $1,203.00
    Repair Yours $999.00
    HONEYWELL M-511474

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-511474

    AIRSCAN™ INFRARED SENSOR, R134A 0/, 3000, ATMOS, NEMA 1 ENCLOSURE
    $2,923.00 Buy Surplus As Low As $1,754.00
    $1,754.00
    Repair Yours $1,456.00
    HONEYWELL M-600410

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-600410

    AIRSCAN™ INFRARED SENSOR, R507A 0-3, 3000 PPM, ATMOS, NEMA 1 ENCLOSURE
    $2,923.00 Buy Surplus As Low As $1,754.00
    $1,754.00
    Repair Yours $1,456.00
    HONEYWELL M-600428

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-600428

    AIRSCAN™ INFRARED SENSOR, R22 0/3000 PPM, ATMOS, NEMA 1 ENCLOSURE
    $2,923.00 Buy Surplus As Low As $1,754.00
    $1,754.00
    Repair Yours $1,456.00
    HONEYWELL M-600469

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-600469

    AIRSCAN™ INFRARED SENSOR,R404A 0/3000 PPM, ATMOS, NEMA 1 ENCLOSURE
    $2,923.00 Buy Surplus As Low As $1,754.00
    $1,754.00
    Repair Yours $1,456.00
    HONEYWELL M-700262

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700262

    AIRSCAN™ INFRARED SENSOR,HFO1234YF 0/500 PPM, ATMOS, NEMA 1 ENCLOSURE CARB COMPLIANT
    $3,149.00 Buy Surplus As Low As $1,890.00
    $1,890.00
    Repair Yours $1,569.00
    HONEYWELL M-700263

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700263

    AIRSCAN™ INFRARED SENSOR,HFO1234YF 0/500 PPM, STAINLESS STEEL ENCLOSURE CARB COMPLIANT
    $3,109.00 Buy Surplus As Low As $1,866.00
    $1,866.00
    Repair Yours $1,549.00
    HONEYWELL M-700264

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700264

    AIRSCAN™ INFRARED SENSOR,HFO1234YF 0/500 PPM, ATMOS, STAINLESS STEEL ENCLOSURE CARB COMPLIANT
    $3,659.00 Buy Surplus As Low As $2,196.00
    $2,196.00
    Repair Yours $1,823.00
    HONEYWELL M-700266

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700266

    AIRSCAN™ INFRARED SENSOR,HFO1234YF 0/1000 PPM, NEMA 1 ENCLOSURE
    $2,374.00 Buy Surplus As Low As $1,425.00
    $1,425.00
    Repair Yours $1,183.00
    HONEYWELL M-700273

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700273

    AIRSCAN™ INFRARED SENSOR,HFO1234YF 0/3000 PPM, STAINLESS STEEL ENCLOSURE
    $2,888.00 Buy Surplus As Low As $1,733.00
    $1,733.00
    Repair Yours $1,439.00
    HONEYWELL M-700274

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    M-700274

    AIRSCAN™ INFRARED SENSOR,HFO1234YF 0/3000 PPM, ATMOS, STAINLESS STEEL ENCLOSURE
    $3,433.00 Buy Surplus As Low As $2,060.00
    $2,060.00
    Repair Yours $1,710.00
    HONEYWELL MPD-UTCB1

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    MPD-UTCB1

    MULIT-PURPOSE DETECTOR, UL/CSA CATALYTIC BEAD SENSOR 0-100%, 3/4 INCH MALE, RH NON-CONDENSING, 316 STAINLESS STEEL, NPT PORT, 2.9 AMPS
    $1,502.00 Buy Surplus As Low As $902.00
    $902.00
    Repair Yours $727.00
    HONEYWELL S301-IRF-R410A

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R410A

    R410A REFRIGERANT GAS SENSOR
    $2,848.00 Buy Surplus As Low As $1,709.00
    $1,709.00
    Repair Yours $1,419.00
    HONEYWELL XCL-LB-CH4-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CH4-RA

    FLAMMABLE 100 %LEL, MA RELAYS
    $3,490.00 Buy Surplus As Low As $2,094.00
    $2,094.00
    Repair Yours $1,739.00
    HONEYWELL XCL-LB-CH4-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CH4-RM

    FLAMMABLE 100 %LEL, MODBUS RELAYS
    $3,753.00 Buy Surplus As Low As $2,252.00
    $2,252.00
    Repair Yours $1,870.00
    HONEYWELL XCL-LB-CO-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CO-RA

    CO 300PPM, MA RELAYS
    $3,062.00 Buy Surplus As Low As $1,838.00
    $1,838.00
    Repair Yours $1,526.00
    HONEYWELL XCL-LB-CO-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-CO-RM

    CO 300PPM, MODBUS RELAYS
    $3,160.00 Buy Surplus As Low As $1,896.00
    $1,896.00
    Repair Yours $1,574.00
    HONEYWELL XCL-LB-NH3-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-NH3-RA

    NH3 100PPM, MA RELAYS
    $4,871.00 Buy Surplus As Low As $2,923.00
    $2,923.00
    Repair Yours $2,427.00
    HONEYWELL XCL-LB-NH3-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-NH3-RM

    NH3 100PPM, MODBUS RELAYS
    $5,200.00 Buy Surplus As Low As $3,120.00
    $3,120.00
    Repair Yours $2,590.00
    HONEYWELL XCL-LB-NO2-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-NO2-RA

    NO2 20PPM, MA RELAYS
    $3,160.00 Buy Surplus As Low As $1,896.00
    $1,896.00
    Repair Yours $1,574.00
    HONEYWELL XCL-LB-NO2-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-LB-NO2-RM

    NO2 20PPM, MODBUS RELAYS
    $3,358.00 Buy Surplus As Low As $2,015.00
    $2,015.00
    Repair Yours $1,673.00
    HONEYWELL XCL-SC-H2S

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-SC-H2S

    XCL/XRL SENSOR-H2S
    $311.00 Buy Surplus As Low As $187.00
    $187.00
    Repair Yours $200.00
    HONEYWELL XCL-SC-NH3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-SC-NH3

    XCL/XRL SENSOR-NH3
    $541.00 Buy Surplus As Low As $325.00
    $325.00
    Repair Yours $270.00
    HONEYWELL XCL-SC-NO2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-SC-NO2

    XCL/XRL SENSOR-NO2
    $455.00 Buy Surplus As Low As $273.00
    $273.00
    Repair Yours $227.00
    HONEYWELL XCL-VEA-CO-RA

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-VEA-CO-RA

    VESDA CO 300PPM 4-20MA REL VEA
    $2,536.00 Buy Surplus As Low As $1,522.00
    $1,522.00
    Repair Yours $1,264.00
    HONEYWELL XCL-VEA-CO-RA-5

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-VEA-CO-RA-5

    VESDA CO 300PPM 4-20MA REL XCL VEA
    $8,952.00 Buy Surplus As Low As $5,372.00
    $5,372.00
    Repair Yours $4,459.00
    HONEYWELL XCL-VEA-CO-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-VEA-CO-RM

    VESDA CO 300PPM MODBUS REL XCL VEA
    $2,667.00 Buy Surplus As Low As $1,601.00
    $1,601.00
    Repair Yours $1,329.00
    HONEYWELL XCL-VEA-H2-RA-5

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-VEA-H2-RA-5

    VESDA H2 1000PPM 4-20MA REL XCL VEA
    $10,663.00 Buy Surplus As Low As $6,398.00
    $6,398.00
    Repair Yours $5,311.00
    HONEYWELL XCL-VEA-H2-RM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-VEA-H2-RM

    VESDA H2 1000PPM MODBUS REL XCL VEA
    $4,740.00 Buy Surplus As Low As $2,844.00
    $2,844.00
    Repair Yours $2,361.00
    HONEYWELL XCL-XRL-SC-CO

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    XCL-XRL-SC-CO

    VESDA SENSEPOINT XCL/XRL REPLACEMENT SENSOR - CO 300PPM
    $311.00 Buy Surplus As Low As $187.00
    $187.00
    Repair Yours $200.00
    HONEYWELL 1309A0042

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1309A0042

    GAS DETECTOR, E3POINT, MODEL E3SA, WALL MOUNT, 24 V AC/DC, 2 DPDT RELAYS, 4 TO 20 MA OUTPUT, INCLUDES AUDIBLE ALARM
    $786.00 Buy Surplus As Low As $472.00
    $472.00
    Repair Yours $392.00
    HONEYWELL MIDAS-E-HFX

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    MIDAS-E-HFX

    DISCONTINUED BY MANUFACTURER, SENSOR CARTRIDGES, BORON TRIFLUORIDE (BF3), HYDROGEN FLUORIDE (HF), NITROGEN TRIFLUORIDE (NF3),TUNGSTEN HEXAFLUORIDE (WF6), 0-12 PPM MEASURING RANGE, 1.5 PPM MI ...
    Buy Surplus As Low As $480.00
    $480.00
    Repair Yours $400.00
    HONEYWELL 00705-A-1733

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    00705-A-1733

    COMBUSTIBLE GAS SENSOR (0-100% LEL) IN ALUMINUM ENCLOSURE. 3/4" NPT MOUNTING THREAD. MINIMUM ALARM LEVEL 5% LEL. MV BRIDGE OUTPUT. SUITABLE FOR TEMPERATURES TO 131 F. COMPATIBLE WITH HONEYWE ...
    $577.00 Buy Surplus As Low As $347.00
    $347.00
    Repair Yours $289.00
    HONEYWELL 129426-L3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    129426-L3

    COMBUSTIBLE EXPLOSION PROOF SENSOR - (GAIN 1.3-1.599 / HYDROGEN)
    $1,151.00 Buy Surplus As Low As $691.00
    $691.00
    Repair Yours $574.00
    HONEYWELL S301-IRF-R11

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R11

    R11 REFRIGERANT GAS SENSOR
    $2,848.00 Buy Surplus As Low As $1,709.00
    $1,709.00
    Repair Yours $1,419.00
    HONEYWELL S301-IRF-R125

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R125

    R125 REFRIGERANT GAS SENSOR
    $2,848.00 Buy Surplus As Low As $1,709.00
    $1,709.00
    Repair Yours $1,419.00
    HONEYWELL S301-IRF-R507A

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    S301-IRF-R507A

    R507A REFRIGERANT GAS SENSOR,CO MEASUREMENT RANGE: 0-250 PPM, NO2 MEASUREMENT RANGE: 0-10 PPM, REFRIGERANT MEASUREMENT RANGE: 0-1000 PPM, 60 SECOND RESPONSE
    $7,202.00 Buy Surplus As Low As $4,322.00
    $4,322.00
    Repair Yours $3,483.00
    HONEYWELL TPPLBDWA2NNNNNN

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLBDWA2NNNNNN

    TPPL CONTROLLER BASIC, WALL MOUNT, DC POWERED, 2 X MA INPUT
    $3,728.00 Buy Surplus As Low As $2,237.00
    $2,237.00
    Repair Yours $1,857.00
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