Product Search

    SEARCH NOW FOR ALL YOUR SYSTEM SENSOR SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 1-50 of 989.
    HONEYWELL ST-3

    HONEYWELL

    SYSTEM SENSOR

    ST-3

    SYSTEM SENSOR ST-3 SAMPLING TUBE METAL , ST-3
    ✓ IN STOCK!
    $39.00 Buy Surplus As Low As $19.15
    $19.15
    HONEYWELL 5603

    HONEYWELL

    SYSTEM SENSOR

    5603

    HEAT DETECTOR, 135 F (57 C) FIXED TEMPERATURE, NORMALLY OPEN, SINGLE CIRCUIT MECHANICAL HEAT
    ✓ IN STOCK!
    $29.00 Buy Surplus As Low As $23.00
    $23.00
    HONEYWELL ETX

    HONEYWELL

    SYSTEM SENSOR

    ETX

    SYSTEM SENSOR, DUCT EXHAUST TUBE, 1.0 FT.
    ✓ IN STOCK!
    $16.00 Buy Surplus As Low As $7.58
    $7.58
    HONEYWELL 5602

    HONEYWELL

    SYSTEM SENSOR

    5602

    CONVENTIONAL HEAT DETECTOR, SINGLE-CIRCUIT, 194 DEGREES F TEMPERATURE RATING, FIXED TEMPERATURE / RATE-OF-RISE ACTIVATION, 50 X 50 FT UL PROTECTED SPACING
    ✓ IN STOCK!
    $29.00 Buy Surplus As Low As $23.00
    $23.00
    HONEYWELL ST-5

    HONEYWELL

    SYSTEM SENSOR

    ST-5

    DUCT SMOKE DETECTOR CONDUIT 5' WITH HOLES
    ✓ IN STOCK!
    $42.00 Buy Surplus As Low As $21.44
    $21.44
    HONEYWELL SBBCR

    HONEYWELL

    SYSTEM SENSOR

    SBBCR

    SPECTRALERT ADVANCE ACCESSORIES, CEILING MOUNT SURFACE MOUNT BACK BOX, RED
    ✓ IN STOCK!
    $23.53 Buy Surplus As Low As $11.20
    $11.20
    HONEYWELL B224RB-IV

    HONEYWELL

    SYSTEM SENSOR

    B224RB-IV

    INTELLIGENT RELAY BASE; IVORY , B224RB-IV
    ✓ IN STOCK!
    $63.00 Buy Surplus As Low As $44.89
    $44.89
    Repair Yours $300.00
    HONEYWELL B200SR-WH

    HONEYWELL

    SYSTEM SENSOR

    B200SR-WH

    INTELLIGENT PLUG-IN SOUNDER BASE, WITH ANSI TEMPORAL, 3 OR CONTINUOUS TONE, BRIGHT WHITE, 6.875 INCH BASE DIAMETER, 2 INCH BASE HEIGHT, 16 TO 33 VDC
    ✓ IN STOCK!
    $149.39 Buy Surplus As Low As $89.63
    $89.63
    Repair Yours $300.00
    HONEYWELL DH400OE-1

    HONEYWELL

    SYSTEM SENSOR

    DH400OE-1

    WEATHERPROOF DUCT SMOKE DETECTOR ENCLOSURE , DH400OE-1
    ✓ IN STOCK!
    $522.00 Buy Surplus As Low As $345.00
    $345.00
    HONEYWELL F-INF-25

    HONEYWELL

    SYSTEM SENSOR

    F-INF-25

    DISCONTINUED BY MANUFACTURER, REPLACEMENT AIR FILTER ASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As $197.92
    $197.92
    HONEYWELL C2WTR-BA

    HONEYWELL

    SYSTEM SENSOR

    C2WTR-BA

    SMOKE/HEAT DETECTOR, PHOTOELECTRIC, DUAL COLOR LEDS, 130 MA MAX, IN-LINE TERMINALS
    ✓ IN STOCK!
    $93.00 Buy Surplus As Low As $67.10
    $67.10
    HONEYWELL PC2WLA

    HONEYWELL

    SYSTEM SENSOR

    PC2WLA

    HORN / STROBE, L SERIES, SELECTABLE OUTPUT, 2 WIRE, BILINGUAL, WHITE, CEILING MOUNT
    ✓ IN STOCK!
    $118.00 Buy Surplus As Low As $81.00
    $81.00
    HONEYWELL EPSA120-1

    HONEYWELL

    SYSTEM SENSOR

    EPSA120-1

    DISCONTINUED BY MANUFACTURER, SUPERVISORY PRESSURE SWITCH, 24 VOLT DC/ 125-250 VOLT AC, PRESSURE ADJUSTMENT WHEEL, FOR USE IN A NOMINAL 115 PSI SYSTEM, REINFORCED DIAPHRAGM, TWO CONDUIT ENTR ...
    ✓ IN STOCK!
    Buy Surplus As Low As $129.09
    $129.09
    Repair Yours $300.00
    HONEYWELL FM998

    HONEYWELL

    SYSTEM SENSOR

    FM998

    ELECTROMAGNETIC DOOR HOLDER, QUAD VOLTAGE, RECESSED MOUNT , FM998
    ✓ IN STOCK!
    $160.05 Buy Surplus As Low As $83.00
    $83.00
    Repair Yours $300.00
    HONEYWELL HGRKL

    HONEYWELL

    SYSTEM SENSOR

    HGRKL

    L-SERIES OUTDOOR COMPACT WALL-MOUNTED HORN, "FIRE", RED , HGRKL
    ✓ IN STOCK!
    $69.00 Buy Surplus As Low As $42.00
    $42.00
    HONEYWELL BBSCW-2

    HONEYWELL

    SYSTEM SENSOR

    BBSCW-2

    BACK BOX SKIRT, CEILING, WHITE
    ✓ IN STOCK!
    $36.00 Buy Surplus As Low As $14.00
    $14.00
    HONEYWELL EPS40-2

    HONEYWELL

    SYSTEM SENSOR

    EPS40-2

    DISCONTINUED BY MANUFACTURER, PRESSURE SWITCH, 10AMP, 1/2 HP @ 125/250 VAC, 10-100PSI ON RISE SETPOINT, 250PSI MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $245.81
    $245.81
    Repair Yours $200.00
    HONEYWELL DST3

    HONEYWELL

    SYSTEM SENSOR

    DST3

    METAL DUCT SAMPLING TUBE, 2FT X 4 FT, W/ HOLES
    ✓ IN STOCK!
    $27.50 Buy Surplus As Low As $17.48
    $17.48
    HONEYWELL DCOIL

    HONEYWELL

    SYSTEM SENSOR

    DCOIL

    REMOTE TEST COIL, REQUIRED FOR OLDER DNR(W), DUCT DETECTOR HOUSING, 2-WIRE
    ✓ IN STOCK!
    $58.00 Buy Surplus As Low As $45.00
    $45.00
    HONEYWELL BEAMSMK

    HONEYWELL

    SYSTEM SENSOR

    BEAMSMK

    PROJECTED BEAM SMOKE DETECTOR SURFACE MOUNT KIT , BEAMSMK
    ✓ IN STOCK!
    $46.22 Buy Surplus As Low As $27.73
    $27.73
    HONEYWELL B224BI

    HONEYWELL

    SYSTEM SENSOR

    B224BI

    SMOKE DETECTOR BASE, ISOLATOR,32VDC, PLUG-IN
    ✓ IN STOCK!
    $75.00 Buy Surplus As Low As $50.00
    $50.00
    HONEYWELL RTS151

    HONEYWELL

    SYSTEM SENSOR

    RTS151

    REMOTE TEST STATION, ALARM LED, 2.8-32 V DC, 12MA MAX, COIL CURRENT: 95 MA MAX, 4.8" X 2.9" X 1.4"
    ✓ IN STOCK!
    $77.00 Buy Surplus As Low As $51.00
    $51.00
    HONEYWELL 4W-B

    HONEYWELL

    SYSTEM SENSOR

    4W-B

    SMOKE DETECTOR, PHOTOELECTRIC, I3 SERIES, WALL/CEILING MOUNT, 4 WIRE, 12V/24 VDC, PLUG-IN W/BASE
    ✓ IN STOCK!
    $70.35 Buy Surplus As Low As $44.32
    $44.32
    HONEYWELL 2WTR-B

    HONEYWELL

    SYSTEM SENSOR

    2WTR-B

    I3 PHOTO DETECTOR, PLUG-IN, 2-WIRE, 12/24 VDC, 135 F THERMAL, FORM-C RELAY. , 2WTR-B
    ✓ IN STOCK!
    $101.64 Buy Surplus As Low As $72.42
    $72.42
    HONEYWELL B501BH

    HONEYWELL

    SYSTEM SENSOR

    B501BH

    DISCONTINUED BY MANUFACTURER, DETECTOR BASE WITH HORN, PLUG IN AND MOUNTING TYPE, FOR USE WITH VARIETY OF DETECTOR HEADS
    ✓ IN STOCK!
    Buy Surplus As Low As $95.00
    $95.00
    Repair Yours $300.00
    HONEYWELL B114LPBT

    HONEYWELL

    SYSTEM SENSOR

    B114LPBT

    DISCONTINUED BY MANUFACTURER, DETECTOR BASE, 100 SERIES, RELAY, FORM A/C/SPVR, CONVENTIONAL, 6.2 INCH, DUCT, 4 WIRE WITH RESISTOR
    ✓ IN STOCK!
    $168.00 Buy Surplus As Low As $75.00
    $75.00
    Repair Yours Contact Us
    HONEYWELL SMB600

    HONEYWELL

    SYSTEM SENSOR

    SMB600

    SURFACE MOUNTING KIT, FLANGED, FOR USE WITH SYSTEM SENSOR DETECTORS WHEN FLUSH OR RECESSED MOUNTING IS NOT POSSIBLE
    ✓ IN STOCK!
    $20.00 Buy Surplus As Low As $11.00
    $11.00
    HONEYWELL RTS151KEY

    HONEYWELL

    SYSTEM SENSOR

    RTS151KEY

    TEST STATION, REMOTE W/ KEY, POWER LED GREEN, 14-35 VDC, ALARM LED RED, 2.8-32 VDC
    ✓ IN STOCK!
    $107.80 Buy Surplus As Low As $91.63
    $91.63
    HONEYWELL PIBV2

    HONEYWELL

    SYSTEM SENSOR

    PIBV2

    SUPERVISORY SWITCH, POST INDICATOR, BUTTERFLY VALVE, 2 SPDT, 125-250 VAC, 24 VDC, 2.5/10 AMP
    ✓ IN STOCK!
    $179.00 Buy Surplus As Low As $119.00
    $119.00
    HONEYWELL OSY2

    HONEYWELL

    SYSTEM SENSOR

    OSY2

    SUPERVISORY SWITCH, OUTSIDE SCREW AND YOKE VALVE, 2 SPDT, 10 AMP AT 125/250 VAC, 2.5 AMP AT 6/12/24 VDC, ONE SINGLE SIDE OPEN FOR 1/2 INCH CONDUIT
    ✓ IN STOCK!
    $134.43 Buy Surplus As Low As $96.02
    $96.02
    Repair Yours $300.00
    HONEYWELL 5622

    HONEYWELL

    SYSTEM SENSOR

    5622

    CONVENTIONAL HEAT DETECTOR, DUAL-CIRCUIT, 194 DEGREES F FIXED TEMPERATURE / RATE-OF-RISE, 50 X 50 FT UL PROTECTED SPACING - 10 FT CEILING
    ✓ IN STOCK!
    $55.00 Buy Surplus As Low As $33.23
    $33.23
    HONEYWELL 5621

    HONEYWELL

    SYSTEM SENSOR

    5621

    SYSTEM SENSOR 5621 MECHANICAL HEAT DETECTOR, DUAL CIRCUIT; 135 DEG F FIXED/RATE-OF-RISE, FIRE SAFETY
    ✓ IN STOCK!
    $60.00 Buy Surplus As Low As $36.00
    $36.00
    HONEYWELL 5604

    HONEYWELL

    SYSTEM SENSOR

    5604

    MECHANICAL HEAT DETECTOR, WHITE, 194F FIXED TEMP, SINGLE CIRCUIT, 1.69" HEIGHT, 4.57" DIAMETER
    ✓ IN STOCK!
    $37.00 Buy Surplus As Low As $20.00
    $20.00
    HONEYWELL 4WTR-B

    HONEYWELL

    SYSTEM SENSOR

    4WTR-B

    SYSTEM SENSOR, DETECTOR, 4-WIRE, 12/24 VDC, THERMAL
    ✓ IN STOCK!
    $130.00 Buy Surplus As Low As $78.00
    $78.00
    HONEYWELL 2W-B

    HONEYWELL

    SYSTEM SENSOR

    2W-B

    SMOKE DETECTOR, PHOTOELECTRIC, I3 SERIES, WALL/CEILING MOUNT, 2 WIRE, 12V/24VDC, PLUG IN, W/BASE
    ✓ IN STOCK!
    $73.00 Buy Surplus As Low As $56.00
    $56.00
    HONEYWELL 2D51

    HONEYWELL

    SYSTEM SENSOR

    2D51

    SMOKE DETECTOR, PHOTOELECTRIC, LOW PROFILE PENDANT, 4 WIRE, 24 VDC / 120 VAC, PLUG IN REQUIRES BASE
    ✓ IN STOCK!
    $118.00 Buy Surplus As Low As $75.00
    $75.00
    HONEYWELL B210LP

    HONEYWELL

    SYSTEM SENSOR

    B210LP

    DETECTOR BASE, 200 SERIES, STANDARD, ADDRESSABLE, 6.1", FLANGED, PLUG-IN, 2 WIRE, IVORY
    ✓ IN STOCK!
    $35.00 Buy Surplus As Low As $20.00
    $20.00
    HONEYWELL SCR

    HONEYWELL

    SYSTEM SENSOR

    SCR

    STROBE, INDOOR, CEILING MOUNT, 12/24VDC, RED
    ✓ IN STOCK!
    $76.00 Buy Surplus As Low As $13.46
    $13.46
    Repair Yours $300.00
    HONEYWELL SP2C2495

    HONEYWELL

    SYSTEM SENSOR

    SP2C2495

    DISCONTINUED BY MANUFACTURER, SPEAKER/STROBE, 24 VDC, 95 CANDELA, WHITE
    ✓ IN STOCK!
    Buy Surplus As Low As $72.96
    $72.96
    HONEYWELL SR

    HONEYWELL

    SYSTEM SENSOR

    SR

    DISCONTINUED BY MANUFACTURER, STROBE, WALL STANDARD CANDELA, RED, 12-24 VDC, 12 TO 18 AWG
    ✓ IN STOCK!
    Buy Surplus As Low As $45.80
    $45.80
    HONEYWELL B401B

    HONEYWELL

    SYSTEM SENSOR

    B401B

    DISCONTINUED BY MANUFACTURER, DETECTOR BASE, PLUG-IN, S300 SERIES, WITH SCREW TERMINALS, 12/24 VDC, 0 - 49 DEG C
    ✓ IN STOCK!
    Buy Surplus As Low As $14.33
    $14.33
    Repair Yours $300.00
    HONEYWELL MWBB

    HONEYWELL

    SYSTEM SENSOR

    MWBB

    METAL BACK BOX,WALL, WEATHERPROOF, RED
    ✓ IN STOCK!
    $72.00 Buy Surplus As Low As $44.00
    $44.00
    HONEYWELL MHW

    HONEYWELL

    SYSTEM SENSOR

    MHW

    MINI HORN, WHITE, 12-24 V, INDOOR, WALL MOUNT, REPLACES PA400W
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $23.00
    $23.00
    HONEYWELL WFD30-2

    HONEYWELL

    SYSTEM SENSOR

    WFD30-2

    DISCONTINUED BY MANUFACTURER, WATERFLOW DETECTOR, FOR USE WITH 3 INCH NPT PIPE
    ✓ IN STOCK!
    Buy Surplus As Low As $213.00
    $213.00
    HONEYWELL WBB

    HONEYWELL

    SYSTEM SENSOR

    WBB

    BACK BOX, WEATHERPROOF, RED, WALL MOUNT, 1/2 IN NPT
    ✓ IN STOCK!
    $48.00 Buy Surplus As Low As $18.66
    $18.66
    HONEYWELL RA400Z

    HONEYWELL

    SYSTEM SENSOR

    RA400Z

    DISCONTINUED BY MANUFACTURER, REMOTE ANNUNCIATOR, USE W/BOTH CONVENTION & INTELLIGENT SMOKE DETECTORS
    ✓ IN STOCK!
    Buy Surplus As Low As $40.09
    $40.09
    HONEYWELL B402B

    HONEYWELL

    SYSTEM SENSOR

    B402B

    BASE, 4 WIRE, PLUG-IN, USED WITH MODEL 2451 AND 2451TH, REPLACE WITH B112LP
    ✓ IN STOCK!
    $90.00 Buy Surplus As Low As $34.56
    $34.56
    HONEYWELL SP2C24115

    HONEYWELL

    SYSTEM SENSOR

    SP2C24115

    DISCONTINUED BY MANUFACTURER, FIRE ALARM, STROBE - ALARM, 16-33V, 75DBA
    ✓ IN STOCK!
    Buy Surplus As Low As $157.46
    $157.46
    Repair Yours $300.00
    HONEYWELL APA451

    HONEYWELL

    SYSTEM SENSOR

    APA451

    DISCONTINUED BY MANUFACTURER, ANNUNCIATOR, WITH PIEZO ALERT, 24 VDC REGULATED, 16-33 VDC OPERATIONAL, 30 MA, REPLACED BY APA151
    ✓ IN STOCK!
    Buy Surplus As Low As $64.89
    $64.89
    Repair Yours $300.00
    HONEYWELL CHSW

    HONEYWELL

    SYSTEM SENSOR

    CHSW

    DISCONTINUED BY MANUFACTURER, CHIME/STROBE, WHITE, 12-24 VDC, 1 FLASH PER SECOND, 12-18 AWG, WALL MOUNT, 5.6 X 4.7 X 2.5 IN, REPLACED BY CHSWL
    ✓ IN STOCK!
    Buy Surplus As Low As $125.66
    $125.66
    Next
    1 2 3 4 5 6 7 8 9 10 11