Product Search

    SEARCH NOW FOR ALL YOUR INVENSYS SOLUTIONS

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

    Controls & Indicators / Temperature/Process Control

    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 351-400 of 666.
    INVENSYS 20QT14417230

    INVENSYS

    BARBER COLMAN

    20QT14417230

    PROCESS CONTROL UNIT INPUT MAIN AUX IN LOG IN 100/240VAC 50/60HZ
    ✓ IN STOCK!
    CAN$318.52 Buy Surplus As Low As CAN$128.26
    CAN$128.26
    Repair Yours CAN$360.00
    INVENSYS 20QC91107030

    INVENSYS

    BARBER COLMAN

    20QC91107030

    TEMPERATURE CONTROLLER 100/240VAC 50/60HZ
    ✓ IN STOCK!
    CAN$338.13 Buy Surplus As Low As CAN$116.07
    CAN$116.07
    Repair Yours CAN$360.00
    INVENSYS 20QF61115230

    INVENSYS

    BARBER COLMAN

    20QF61115230

    TEMPERATURE CONTROL 100/240VAC 50/60HZ
    ✓ IN STOCK!
    CAN$338.13 Buy Surplus As Low As CAN$122.18
    CAN$122.18
    Repair Yours CAN$357.16
    INVENSYS 20QR91110330

    INVENSYS

    BARBER COLMAN

    20QR91110330

    PROCESS CONTROL UNIT 100/240VAC 50/60HZ OUTPUT 2RELAY FORM C+2 RELAY FORM A
    ✓ IN STOCK!
    CAN$467.00 Buy Surplus As Low As CAN$160.32
    CAN$160.32
    Repair Yours CAN$357.16
    INVENSYS SE7305F5545P

    INVENSYS

    BARBER COLMAN

    SE7305F5545P

    DISCONTINUED BY MANUFACTURER, WIRELESS FAN CONTROLLER, ROOM CONTROL, 2 OR 4 PIPE ANALOG, 0-10VDC, DIGITAL DISPLAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$138.23
    CAN$138.23
    Repair Yours CAN$355.91
    INVENSYS 918/SCT/RTD3/0-499C/P10/115V/X/A//

    INVENSYS

    EUROTHERM CONTROLS

    918/SCT/RTD3/0-499C/P10/115V/X/A//

    TEMPERATURE CONTROLLER, 2AMP, 115V / 230V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$295.65
    CAN$295.65
    Repair Yours CAN$357.16
    INVENSYS D0156CHC

    INVENSYS

    FOXBORO

    D0156CHC

    DISCONTINUED BY MANUFACTURER, TRANSMITTER CONTROLLER, 4-20MA, CAL ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$273.42
    CAN$273.42
    Repair Yours CAN$360.00
    INVENSYS 918/SCT/SCT/J/0-599F/P10/FT/115V/X/A//

    INVENSYS

    EUROTHERM CONTROLS

    918/SCT/SCT/J/0-599F/P10/FT/115V/X/A//

    DISCONTINUED BY MANUFACTURER, TEMPERATURER CONTROLLER, 0-599DEGREE F, 115V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$445.92
    CAN$445.92
    Repair Yours CAN$365.64
    INVENSYS 808/L1/NO/L1/(AJEF204)/

    INVENSYS

    EUROTHERM CONTROLS

    808/L1/NO/L1/(AJEF204)/

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 1/8 DIN VERTICAL, LOGIC OUTPUT 1, NO OUTPUT 2, NO ALARM, NO COMMS, STANDARD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$496.09
    CAN$496.09
    Repair Yours CAN$385.85
    INVENSYS 808/L1/NO/L1/(CJDF104-0021)/

    INVENSYS

    EUROTHERM CONTROLS

    808/L1/NO/L1/(CJDF104-0021)/

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 1/8 DIN VERTICAL, LOGIC OUTPUT 1, NO OUTPUT 2, NO ALARM, NO COMMS, STANDARD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$240.46
    CAN$240.46
    Repair Yours CAN$360.00
    INVENSYS 847/L1/NO/NO/(AJGF100)/

    INVENSYS

    EUROTHERM CONTROLS

    847/L1/NO/NO/(AJGF100)/

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 1/8 DIN HORIZONTAL, LOGIC OUTPUT 1, NO OUTPUT 2, NO ALARM, NO COMMS, J THERMOCOUPLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$680.51
    CAN$680.51
    Repair Yours CAN$479.11
    INVENSYS 7SD496130000

    INVENSYS

    BARBER COLMAN

    7SD496130000

    TEMPERATURE CONTROLLER 1/16DIN 100/240VAC 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$211.36
    CAN$211.36
    Repair Yours CAN$360.00
    INVENSYS TKS932133000

    INVENSYS

    EUROTHERM CONTROLS

    TKS932133000

    DISCONTINUED BY MANUFACTURER, MODULE, ERO ELECTRONICS, PROCESS CONTROL MODULE, 100/240VAC, 4OUTPUT, 1/8INCH DIN, RS-485
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$582.58
    CAN$582.58
    Repair Yours CAN$388.80
    INVENSYS 20QT14417030

    INVENSYS

    BARBER COLMAN

    20QT14417030

    PROCESS CONTROLLER 16VA 100/240VAC 50/60HZ
    ✓ IN STOCK!
    CAN$318.52 Buy Surplus As Low As CAN$128.26
    CAN$128.26
    Repair Yours CAN$360.00
    INVENSYS MAE1-00300-0005-00

    INVENSYS

    BARBER COLMAN

    MAE1-00300-0005-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROL, EIGHTH DIN, RELAY CONTACT, TYPE J (0 TO 1600 F), AUTO / MANUAL AND REMOTE SETPOINT (1-5 VDC)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$382.79
    CAN$382.79
    Repair Yours CAN$360.00
    INVENSYS 523B-40016-030-0-00

    INVENSYS

    BARBER COLMAN

    523B-40016-030-0-00

    DISCONTINUED BY MANUFACTURER,PROCESS CONTROLLER, 1/8 DIN,120/240 VAC 50/60HZ,TEMPERATURE CONTROLLER,3 DIGIT THUMBWHEEL,DEVIATION METER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$268.15
    CAN$268.15
    Repair Yours CAN$357.16
    INVENSYS 7950/72MM/PM/CGP/CVR

    INVENSYS

    TURNBULL CONTROL SYS

    7950/72MM/PM/CGP/CVR

    DISCONTINUED BY MANUFACTURER, INTEGRATED LOOP PROCESSOR, 72 MM, UNIVERSAL PACKAGING SYSTEM TERMINAL NUMBERS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$276.46
    CAN$276.46
    Repair Yours CAN$353.54
    INVENSYS 10E2-0JFH0-020-H-00

    INVENSYS

    BARBER COLMAN

    10E2-0JFH0-020-H-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 85/250 VAC, 50/60 HZ, AUTO/MAN
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$164.73
    CAN$164.73
    Repair Yours CAN$357.16
    INVENSYS 847/R1/R1/R1/QLS/(AJKF234)/

    INVENSYS

    EUROTHERM CONTROLS

    847/R1/R1/R1/QLS/(AJKF234)/

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 1/8 DIN HORIZONTAL, RELAY OUTPUT 1, RELAY OUTPUT 2, RELAY ALARM, NO COMMS, LINEAR INPUT, SELF TUNING, J THERMOCOUPLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$357.20
    CAN$357.20
    Repair Yours CAN$362.13
    INVENSYS 818S/0V10/R0MA20/C0MA20/FHE/FLE/485/96/SN/00/0/100/AM/ST/E/N/3/N////

    INVENSYS

    EUROTHERM CONTROLS

    818S/0V10/R0MA20/C0MA20/FHE/FLE/485/96/SN/00/0/100/AM/ST/E/N/3/N////

    TEMPERATURE CONTROLLER 5DIGIT DIGITAL DISPLAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$629.47
    CAN$629.47
    Repair Yours CAN$436.04
    INVENSYS 818S/0V10/R4MA20/M0MA20///485/96/S/00/0/100//N0/ST/E/N/S/N/

    INVENSYS

    EUROTHERM CONTROLS

    818S/0V10/R4MA20/M0MA20///485/96/S/00/0/100//N0/ST/E/N/S/N/

    TEMPERATURE CONTROLLER 5DIGIT DIGITAL DISPLAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$629.47
    CAN$629.47
    Repair Yours CAN$436.04
    INVENSYS 2AX-DSR

    INVENSYS

    FOXBORO

    2AX-DSR

    DISCONTINUED BY MANUFACTURER, RELAY MODULE LOGIC, 4PDT, REED
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$116.95
    CAN$116.95
    Repair Yours CAN$360.00
    INVENSYS 2AX-DLS

    INVENSYS

    FOXBORO

    2AX-DLS

    DISCONTINUED BY MANUFACTURER, SCALER MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$77.98
    CAN$77.98
    Repair Yours CAN$355.91
    INVENSYS 2AT-SBU

    INVENSYS

    FOXBORO

    2AT-SBU

    OUTPUT MODULE STANDBY 2PT FOR USE W/4-20MA
    ✓ IN STOCK!
    CAN$542.28 Buy Surplus As Low As CAN$248.54
    CAN$248.54
    Repair Yours CAN$355.91
    INVENSYS 2AP

    INVENSYS

    FOXBORO

    2AP

    DISCONTINUED BY MANUFACTURER, CARD HOLDER SINGLE PROCESS 10TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$163.11
    CAN$163.11
    Repair Yours CAN$353.54
    INVENSYS 10Q3-0JF00-050-6-00

    INVENSYS

    BARBER COLMAN

    10Q3-0JF00-050-6-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROL, 10Q SERIES, 85/250 VAC, 50/60 HZ, 30 VA, PANEL MOUNT, SCREW TERMINAL CONNECTION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$171.90
    CAN$171.90
    Repair Yours CAN$357.16
    INVENSYS 587A-20016-000-1-00

    INVENSYS

    BARBER COLMAN

    587A-20016-000-1-00

    DISCONTINUED BY MANUFACTURER, PROCESS CONTROLLER 1/4 DIN, 120/240 VAC 50/60 HZ, TEMPERATURE CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$496.09
    CAN$496.09
    Repair Yours CAN$454.14
    INVENSYS 818S/TC/RTRI/CTRI/NONE/NONE/NONE/NONE/S/01/0/800/F/NO/NO/E/IN/S/P//

    INVENSYS

    EUROTHERM CONTROLS

    818S/TC/RTRI/CTRI/NONE/NONE/NONE/NONE/S/01/0/800/F/NO/NO/E/IN/S/P//

    DISCONTINUED BY MANUFACTURER, DIGITAL TIMER/COUNTER, SCREW TERMINALS (33X), DIGITAL DISPLAY(LCD), 100-240 VOLT AC, 48-62 HZ, 8.5 W
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$154.96
    CAN$154.96
    INVENSYS 818S/0MA20/RVPR/NONE/NONE/NONE/NONE/NONE/SN/00/18/204/C/NO/NO/E/N/S/N////

    INVENSYS

    EUROTHERM CONTROLS

    818S/0MA20/RVPR/NONE/NONE/NONE/NONE/NONE/SN/00/18/204/C/NO/NO/E/N/S/N////

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER/PROGRAMMER, 85-264V, SCREW TERMINAL, UNITS: °C, DISPLAY MAXIMUM: 1600,
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$430.99
    CAN$430.99
    Repair Yours CAN$250.00
    INVENSYS 10QT-6JF40-000-R-00

    INVENSYS

    BARBER COLMAN

    10QT-6JF40-000-R-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, SERIES 10, TWO 4-DIGIT DISPLAY PANELS, PUSHBUTTON INTERFACE, 85/250 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$575.67
    CAN$575.67
    Repair Yours CAN$454.14
    INVENSYS 10Q8-08F00-00F-0-00

    INVENSYS

    BARBER COLMAN

    10Q8-08F00-00F-0-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, SERIES 10 LIMITROL, 8 DIGIT DIGITAL DISPLAY, 2 ALARMS, PUSHBUTTON INTERFACE, 2 AMP MAX, 120-240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$86.45
    CAN$86.45
    Repair Yours CAN$357.16
    INVENSYS 818S/TC/RLGC/CRLY/NONE/NONE/485/96/SN/03/0/600/C/NO/NO/E/IN/S/N

    INVENSYS

    EUROTHERM CONTROLS

    818S/TC/RLGC/CRLY/NONE/NONE/485/96/SN/03/0/600/C/NO/NO/E/IN/S/N

    DISCONTINUED BY MANUFACTURER, DIGITAL TEMPERATURE CONTROLLER, BASIC, THERMOCOUPLE INPUT, OUTPUT 1: LOGIC LINEAR OUTPUT (REVERSE ACTING CONTROL), OUTPUT 2: LINEAR RELAY (OPPOSITE ACTION TO OU ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$598.28
    CAN$598.28
    Repair Yours CAN$413.64
    INVENSYS 818P/TC/RRLYF/NONE/NONE/NONE/NONE/NONE/SN/03/0/1000/C/NO/NO/D/IN/S/N/MN/MN/H

    INVENSYS

    EUROTHERM CONTROLS

    818P/TC/RRLYF/NONE/NONE/NONE/NONE/NONE/SN/03/0/1000/C/NO/NO/D/IN/S/N/MN/MN/H

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, SINGLE PROGRAM, THERMOCOUPLE INPUT, RELAY OUTPUT ON/OFF (REVERSE ACTING CONTROL), SCREW TERMINAL, RAMP SCALE: SP UNITS PER MINUTE, BAND ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$421.07
    CAN$421.07
    Repair Yours CAN$291.08
    INVENSYS 815S/TC/RLYF/M0V10/FLD/NONE/232/96/S/03/0/150/C/NO/NO/E/IN/S/N/

    INVENSYS

    EUROTHERM CONTROLS

    815S/TC/RLYF/M0V10/FLD/NONE/232/96/S/03/0/150/C/NO/NO/E/IN/S/N/

    DISCONTINUED BY MANUFACTURER, BASIC TEMPERATURE CONTROLLER, THERMOCOUPLE INPUT, RELAY ON/OFF OUPUT, DIGITAL RS232, BAUD RATE: 9600
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$416.81
    CAN$416.81
    Repair Yours CAN$353.54
    INVENSYS 815S/TC/RLY/NONE/DBD/NONE/NONE/NONE/S/06/0/1600/C/NO/NO/E/IN/S/N/ / / /

    INVENSYS

    EUROTHERM CONTROLS

    815S/TC/RLY/NONE/DBD/NONE/NONE/NONE/S/06/0/1600/C/NO/NO/E/IN/S/N/ / / /

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER/PROGRAMMER, THERMOCOUPLE INPUT, LINEAR RELAY OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$239.60
    CAN$239.60
    Repair Yours CAN$353.54
    INVENSYS 141-03-451-19-19-00

    INVENSYS

    EUROTHERM CONTROLS

    141-03-451-19-19-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, TYPE 141
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$85.06
    CAN$85.06
    Repair Yours Contact Us
    INVENSYS 818S/RTD/R0V10/C0V10/DBD/DHD/NONE/M0V10/SN/700/100/C/AT/N0/E/N/S/N/

    INVENSYS

    EUROTHERM CONTROLS

    818S/RTD/R0V10/C0V10/DBD/DHD/NONE/M0V10/SN/700/100/C/AT/N0/E/N/S/N/

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROL, 818 SERIES, 5 DIGIT DIGITAL DISPLAY, MEASURES DEGREES CELSIUS, PANEL MOUNT, 240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$295.65
    CAN$295.65
    Repair Yours CAN$357.16
    INVENSYS 5641-02031-342-6-00

    INVENSYS

    BARBER COLMAN

    5641-02031-342-6-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 560 SERIES, 110/240 V, 50/60 HZ, 15 VA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$180.27
    CAN$180.27
    Repair Yours CAN$360.00
    INVENSYS MBEA-A22-00-006-2

    INVENSYS

    BARBER COLMAN

    MBEA-A22-00-006-2

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, MB SERIES, 1/8 DIN, TYPE J, 0-999 DEGREES F, 100-240 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$460.72
    CAN$460.72
    Repair Yours CAN$363.45
    INVENSYS 10E3-7JC00-000-0-00

    INVENSYS

    BARBER COLMAN

    10E3-7JC00-000-0-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, LINE INPUT RATING: 85/250 VAC, 50/60 HZ, 30 VA, SINGLE PHASE, AMBIENT TEMPERATURE RATING: 55 DEGREES CELSIUS MAX, USE 14 AWG COPPER STRA ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$382.96
    CAN$382.96
    Repair Yours CAN$357.16
    INVENSYS 585C-00056-000-9-05

    INVENSYS

    BARBER COLMAN

    585C-00056-000-9-05

    DISCONTINUED BY MANUFACTURER, PROCESS CONTROLLER , ¼ DIN, 120/240 VAC 50/60HZ, TEMPERATURE CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$346.13
    CAN$346.13
    Repair Yours CAN$360.00
    INVENSYS 5644-04027-320-0-00

    INVENSYS

    BARBER COLMAN

    5644-04027-320-0-00

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 560 SERIES, 0-600 F TEMP RANGE, 120-240 VAC INPUT, 8 DIGIT LED DISPLAY, 8 BUTTON TOUCHPAD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$447.91
    CAN$447.91
    Repair Yours CAN$414.92
    INVENSYS MAQT-T0310-000-5

    INVENSYS

    BARBER COLMAN

    MAQT-T0310-000-5

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, MAQ SERIES, 0-1600 F TEMP RANGE, TYPE J, 115-230 VAC INPUT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$321.00
    CAN$321.00
    Repair Yours CAN$357.16
    INVENSYS 588A-00016-000-2-00

    INVENSYS

    BARBER COLMAN

    588A-00016-000-2-00

    DISCONTINUED BY MANUFACTURER, PROCESS CONTROLLER , ¼ DIN, 120/240 VAC 50/60HZ, TEMPERATURE CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$364.34
    CAN$364.34
    Repair Yours CAN$357.16
    INVENSYS 927-VM-K-32-1600F-P100-VP-115V-X11

    INVENSYS

    EUROTHERM CONTROLS

    927-VM-K-32-1600F-P100-VP-115V-X11

    DISCONTINUED BY MANUFACTURER, AIR TEMPERATURE CONTROLLER, 32-1600F, 115V, 230V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$225.33
    CAN$225.33
    Repair Yours CAN$357.16
    INVENSYS ECMA2/FA103/DP4(1111)/DN4/DP4(1111)DN4/(A0/103V031/0)/

    INVENSYS

    EUROTHERM CONTROLS

    ECMA2/FA103/DP4(1111)/DN4/DP4(1111)DN4/(A0/103V031/0)/

    LOGIC CONTROL MODULE DIGITAL
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$670.38
    CAN$670.38
    Repair Yours CAN$642.92
    INVENSYS SUB847/DISPLAY-BD/STD//

    INVENSYS

    EUROTHERM CONTROLS

    SUB847/DISPLAY-BD/STD//

    DISPLAY ASSEMBLY FOR 847
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$84.68
    CAN$84.68
    Repair Yours CAN$357.16
    INVENSYS SUB818/PWR-SUPPLY/STD//

    INVENSYS

    EUROTHERM CONTROLS

    SUB818/PWR-SUPPLY/STD//

    POWER SUPPLY BOARD FOR 818
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$214.15
    CAN$214.15
    Repair Yours CAN$357.16
    INVENSYS SUB808/SLEEVE/STD

    INVENSYS

    EUROTHERM CONTROLS

    SUB808/SLEEVE/STD

    CASE FOR 808 CONTROL 1/8 DIN PANEL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$52.06
    CAN$52.06
    Repair Yours CAN$360.00
    INVENSYS 101A

    INVENSYS

    BARBER COLMAN

    101A

    TYPE K METER
    ✓ IN STOCK!
    CAN$378.96 Buy Surplus As Low As CAN$147.23
    CAN$147.23
    Repair Yours CAN$360.00
    Previous Next
    3 4 5 6 7 8 9 10 11 12 13