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    Results 1-50 of 471.
    HONEYWELL RM7890A1031

    HONEYWELL

    RM7890A1031

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 30 SECOND FIXED PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $1,099.17 Buy Surplus As Low As $659.50
    $659.50
    Repair Yours $416.00
    HONEYWELL Q179B1117

    HONEYWELL

    Q179B1117

    PILOT ASSEMBLY, 45' I PATTERN
    ✓ IN STOCK!
    $450.32 Buy Surplus As Low As $270.19
    $270.19
    Repair Yours $200.00
    HONEYWELL RM7800M1011

    HONEYWELL

    RM7800M1011

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, RUNNING, LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $4,837.79 Buy Surplus As Low As $2,902.67
    $2,902.67
    Repair Yours $2,190.64
    HONEYWELL RM7800E1010

    HONEYWELL

    RM7800E1010

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, LOCKOUT, HIGH AND LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $5,476.75 Buy Surplus As Low As $3,286.05
    $3,286.05
    Repair Yours $1,350.00
    HONEYWELL RM7890B1030

    HONEYWELL

    RM7890B1030

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, FIXED 4 OR 10 SECOND PFEP PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/6 ...
    ✓ IN STOCK!
    $876.69 Buy Surplus As Low As $526.01
    $526.01
    Repair Yours $390.00
    HONEYWELL RM7890B1014

    HONEYWELL

    RM7890B1014

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $925.00 Buy Surplus As Low As $554.39
    $554.39
    Repair Yours $300.00
    HONEYWELL RM7850A1001

    HONEYWELL

    RM7850A1001

    BURNER CONTROL MODULE, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL MEETING EUROPEAN COMMUNITY TIMINGS, INTERRUPTED PILOT TYPE, LOCKOUT INTERLOCKS, USER SELECTABLE AIRFLOW CHECK, INTERMITT ...
    ✓ IN STOCK!
    $4,390.09 Buy Surplus As Low As $2,634.05
    $2,634.05
    Repair Yours $990.00
    HONEYWELL RM7895C1020

    HONEYWELL

    RM7895C1020

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERRUPTED PILOT TYPE, DELAYED MAIN VALVE, SPECIAL SEQUENCE EARLY SPARK TERMINATION, SELECTABLE INTERLOCKS, 10 SECOND MAIN FLAME ESTABLISHING ...
    ✓ IN STOCK!
    $1,897.28 Buy Surplus As Low As $1,138.37
    $1,138.37
    Repair Yours $690.00
    HONEYWELL RM7885A1015

    HONEYWELL

    RM7885A1015

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, MANUAL START INDUSTRIAL PRIMARY CONTROL, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 15 MINUTE PILOT FLA ...
    ✓ IN STOCK!
    $990.22 Buy Surplus As Low As $653.55
    $653.55
    Repair Yours $390.00
    HONEYWELL XL100CU

    HONEYWELL

    XL100CU

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, EXCEL 100C, C-BUS COMMUNICATION, UP TO 30 DEVICES, MODEM / ISDN / GSM, 12 UNIVERSAL INPUTS, 12 DIGITAL INPUTS, 12 UNIVERSAL OUTPUTS, LED INDICA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $3,014.81
    $3,014.81
    Repair Yours $2,400.00
    HONEYWELL R8182H1070

    HONEYWELL

    RESIDEO

    R8182H1070

    COMBINATION PROTECTORELAY AND HYDRONIC HEATING CONTROLLER, 120 VAC, 45 SECOND SAFETY SWITCH TIMING, 130-240 DEGREES F HIGH LIMIT RANGE, 110-220 DEGREES F LOW LIMIT, 120 VAC, REPLACES R8182J1 ...
    ✓ IN STOCK!
    $1,463.00 Buy Surplus As Low As $878.00
    $878.00
    Repair Yours $729.00
    HONEYWELL RM7895C1012

    HONEYWELL

    RM7895C1012

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PREPURGE, INTERRUPTED PILOT, 10 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, DELAYED MAIN VALVE, SEL ...
    ✓ IN STOCK!
    $1,445.00 Buy Surplus As Low As $867.00
    $867.00
    Repair Yours $650.00
    HONEYWELL RM7895B1013

    HONEYWELL

    RM7895B1013

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, INTERMITTENT PILOT TYPE, DYNAMIC AIRFLOW CHECK, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 TO 10 SECOND ...
    ✓ IN STOCK!
    $1,633.77 Buy Surplus As Low As $980.26
    $980.26
    Repair Yours $562.00
    HONEYWELL RM7850A1019

    HONEYWELL

    RM7850A1019

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, INTERRUPTED PILOT TYPE, INTERMITTENT SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 15 SECOND POST PURGE, PRE-I ...
    ✓ IN STOCK!
    $3,740.39 Buy Surplus As Low As $2,244.23
    $2,244.23
    Repair Yours $1,350.00
    HONEYWELL R7140G-1000

    HONEYWELL

    R7140G-1000

    UPGRADE REPLACEMENT PROGRAMMING CONTROL FOR R4140G WITH PREIGNITION INTERLOCKS
    ✓ IN STOCK!
    $5,833.32 Buy Surplus As Low As $4,389.00
    $4,389.00
    Repair Yours $2,257.25
    HONEYWELL R8182D1079

    HONEYWELL

    RESIDEO

    R8182D1079

    VERT.ON-BURNER PROTECTOR RELAY, 120 VAC, 60 HZ, 45 SECONDS, 0.2 AMP
    ✓ IN STOCK!
    $1,415.07 Buy Surplus As Low As $849.04
    $849.04
    Repair Yours $590.00
    HONEYWELL RA890F-1296

    HONEYWELL

    RA890F-1296

    DISCONTINUED BY MANUFACTURER, PROTECTORELAY, FLAME SAFETY. FLAME CONTROL , 208VAC ,15 SEC/3 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,987.00
    $1,987.00
    Repair Yours $1,650.00
    HONEYWELL RM7840E1016

    HONEYWELL

    RM7840E1016

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, DUST COVER, INTERRUPTED PILOT TYPE, INTERRUPTED SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND EARLY S ...
    ✓ IN STOCK!
    $4,223.99 Buy Surplus As Low As $2,534.39
    $2,534.39
    Repair Yours $990.00
    HONEYWELL RM7890B1048

    HONEYWELL

    RM7890B1048

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, DUST COVER, INTERMITTENT PILOT, FIXED 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, NONVOLATILE ...
    ✓ IN STOCK!
    $881.09 Buy Surplus As Low As $528.65
    $528.65
    Repair Yours $468.00
    HONEYWELL W688A1037

    HONEYWELL

    W688A1037

    DISCONTINUED BY MANUFACTURER, MULTI-BURNER MODULE, PURGE PANEL, 15 SECONDS S.S, 120 V, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $630.42
    $630.42
    Repair Yours $498.00
    HONEYWELL RM7898A1000

    HONEYWELL

    RM7898A1000

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, PREIGNITION, SELECTABLE INTERLOCKS, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $1,331.94 Buy Surplus As Low As $799.17
    $799.17
    Repair Yours $375.00
    HONEYWELL RM7840G1022

    HONEYWELL

    RM7840G1022

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL WITH VPS, DUST COVER, INTERRUPTED PILOT TYPE, SELECTABLE SECOND STAGE PILOT VALVE, USER SELECTABL ...
    ✓ IN STOCK!
    Buy Surplus As Low As $2,387.21
    $2,387.21
    Repair Yours $1,800.61
    HONEYWELL RM7840L1075

    HONEYWELL

    RM7840L1075

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL WITH VPS, DUST COVER, INTERRUPTED PILOT TYPE, SELECTABLE SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND ...
    ✓ IN STOCK!
    $2,721.00 Buy Surplus As Low As $1,015.64
    $1,015.64
    Repair Yours $990.00
    HONEYWELL RM7840L1026

    HONEYWELL

    RM7840L1026

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING CONTROL, DUST COVER, INTERRUPTED PILOT TYPE, INTERMITTENT SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND EARLY ...
    ✓ IN STOCK!
    $4,449.49 Buy Surplus As Low As $2,669.69
    $2,669.69
    Repair Yours $990.00
    HONEYWELL RA890F-1361

    HONEYWELL

    RA890F-1361

    DISCONTINUED BY MANUFACTURER, PROTECTORELAY, FLAME SAFETY , 240 VAC, FLAME CONTROL, 30 SECOND / 3 SECOND
    ✓ IN STOCK!
    $2,569.44 Buy Surplus As Low As $881.04
    $881.04
    Repair Yours $746.42
    HONEYWELL R8182D1111

    HONEYWELL

    R8182D1111

    ON-BURNER PROTECTOR RELAY/HYDRONIC HEATING CONTROLLER, 110-220 DEG F, 120 VAC
    ✓ IN STOCK!
    $1,324.97 Buy Surplus As Low As $1,006.98
    $1,006.98
    Repair Yours $659.83
    HONEYWELL RM7897A1002

    HONEYWELL

    RM7897A1002

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, PREIGNITION, SELECTABLE INTERLOCKS, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $1,215.82 Buy Surplus As Low As $729.49
    $729.49
    Repair Yours $570.71
    HONEYWELL RM7800L1053

    HONEYWELL

    RM7800L1053

    BURNER CONTROL, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, PRE-IGNITION, LOCKOUT, HIGH AND LOW FIRE, 120 VAC, 50/60 HZ, 10 W
    ✓ IN STOCK!
    $4,968.69 Buy Surplus As Low As $2,981.21
    $2,981.21
    Repair Yours $1,990.00
    HONEYWELL RM7895A1030

    HONEYWELL

    RM7895A1030

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, 7800 SERIES, INTERMITTENT PILOT TYPE, SELECTABLE INTERLOCKS, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, LIMITED 4 OR 10 SECOND PILOT FLAM ...
    ✓ IN STOCK!
    Buy Surplus As Low As $951.11
    $951.11
    Repair Yours $695.00
    HONEYWELL RM7840G1014

    HONEYWELL

    RM7840G1014

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, PROGRAMMING MODULE, INTERRUPTED PILOT TYPE, SELECTABLE SECOND STAGE PILOT VALVE, USER SELECTABLE AIRFLOW CHECK, 5 SECOND EARLY SPARK TERMINATI ...
    ✓ IN STOCK!
    $4,407.14 Buy Surplus As Low As $2,644.28
    $2,644.28
    Repair Yours $1,068.21
    HONEYWELL RM7838B1013

    HONEYWELL

    RM7838B1013

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, SELECTABLE INTERMITTENT OR INTERRUPTED PILOT, PULOT VALVE HOLD, MANUAL OPEN SWITCH, 120 V, 50/60 HZ
    ✓ IN STOCK!
    $3,127.66 Buy Surplus As Low As $1,876.59
    $1,876.59
    Repair Yours $1,509.00
    HONEYWELL RM7838A1014

    HONEYWELL

    RM7838A1014

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, KEYBOARD DISPLAY MODULE, RUNNING INTERLOCKS, PRE-PURGE DETERMINED BY ST7800A PURGE TIMER CARD, INTERMITTENT PILOT TYPE, 120 V, 50/60 HZ
    ✓ IN STOCK!
    $3,969.33 Buy Surplus As Low As $2,381.60
    $2,381.60
    Repair Yours $850.00
    HONEYWELL RM7823A1016

    HONEYWELL

    RM7823A1016

    BURNER CONTROL UNIT, 7800 SERIES, FLAME SWITCH, 2X SPDT RELAYS, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $898.87 Buy Surplus As Low As $539.32
    $539.32
    Repair Yours $390.00
    HONEYWELL CB833-2718

    HONEYWELL

    CB833-2718

    BURNER CONTROL UNIT, KEYBOARD DISPLAY MODULE, AUTO PROGRAM, 120 VAC, 60 HZ, 30 SECONDS, (CB833-2718), (833-2718-000), (RM7800L1079)
    $7,958.80 Buy Surplus As Low As $4,775.28
    $4,775.28
    Repair Yours $2,790.00
    HONEYWELL RM7890A1056

    HONEYWELL

    RM7890A1056

    RELAY MODULE, ON-OFF PRIMARY CONTROL, FOR USE WITH AUTOMATICALLY FIRED GAS, OIL, COAL OR COMBINATION FUEL SINGLE BURNER APPLICATIONS, 120VAC, INTERMITTENT PILOT, 4 OR 10 SEC PILOT FLAME ESTA ...
    ✓ IN STOCK!
    $1,073.04 Buy Surplus As Low As $643.82
    $643.82
    Repair Yours $523.75
    HONEYWELL RA890F1338

    HONEYWELL

    RA890F1338

    DISCONTINUED BY MANUFACTURER, PROTECTOR RELAY, FLAME SAFETY, FLAME CONTROL, 120 VAC, 50/60 HZ, 30 SEC / 0.8 SEC
    ✓ IN STOCK!
    $3,814.20 Buy Surplus As Low As $2,671.49
    $2,671.49
    Repair Yours $990.00
    HONEYWELL RA890F 1304

    HONEYWELL

    RA890F 1304

    DISCONTINUED BY MANUFACTURER, FLAME PROTECTION RELAY, FLAME SAFETY, 220 VAC, 15 SEC SAFETY SWITCH TIME, 0.8 SEC FLAME FAILURE RESPONSE TIME
    ✓ IN STOCK!
    Buy Surplus As Low As $803.24
    $803.24
    Repair Yours $540.01
    HONEYWELL RM7888A1027

    HONEYWELL

    RM7888A1027

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, 15 SECOND MAIN FLAME ESTABLISHING PERIOD, 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,037.09 Buy Surplus As Low As $1,822.25
    $1,822.25
    Repair Yours $1,095.00
    HONEYWELL RM7888A1019

    HONEYWELL

    RM7888A1019

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SELECTABLE PILOT TYPE, 15 SECOND MAIN FLAME ESTABLISHING PERIOD, 4 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $3,746.65 Buy Surplus As Low As $2,247.99
    $2,247.99
    HONEYWELL RM7838C1004

    HONEYWELL

    RM7838C1004

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, SEMI AUTOMATIC PROGRAMMING CONTROL, KEYBOARD DISPLAY MODULE, LOCKOUT INTERLOCKS, PRE-IGNTION, 10 SECOND MAIN FLAME ESTABLISHING PERIOD INTERMI ...
    ✓ IN STOCK!
    $2,687.29 Buy Surplus As Low As $1,612.37
    $1,612.37
    Repair Yours $990.00
    HONEYWELL RM7824A1006

    HONEYWELL

    RM7824A1006

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, INTERMITTENT MAIN FLAME ESTABLISHING PERIOD, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $669.73
    HONEYWELL RA890F-1353

    HONEYWELL

    RA890F-1353

    DISCONTINUED BY MANUFACTURER, PROTECTOR RELAY, 240 V, 50/60 HZ, 30 SECONDS SAFETY SWITCH, 0.8 SECONDS FLAME RESPONSE
    ✓ IN STOCK!
    Buy Surplus As Low As $802.43
    $802.43
    Repair Yours $666.02
    HONEYWELL R4140G1015

    HONEYWELL

    R4140G1015

    DISCONTINUED BY MANUFACTURER, PROGRAMMABLE RELAY CONTROL, 120 VAC, 60 HZ, POST PURGE 15 SEC / PRE PURGE 60 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $390.00
    $390.00
    Repair Yours $324.00
    HONEYWELL IQ222-4000K4

    HONEYWELL

    NOVAR CONTROLS CORP

    IQ222-4000K4

    DISCONTINUED BY MANUFACTURER, CONTROLLER, 24VAC/DC
    ✓ IN STOCK!
    Buy Surplus As Low As $190.36
    $190.36
    Repair Yours $200.00
    HONEYWELL IFD 258-5/1W

    HONEYWELL

    KROMSCHRODER

    IFD 258-5/1W

    AUTOMATIC BURNER CONTROL UNIT, SERIES 200, WITH IONIZATION OR UV CONTROL, 5 SECOND SAFETY TIME ON START UP, 1 SECOND SAFETY TIME DURING OPERATION, 230 VAC, 50/60 HZ
    ✓ IN STOCK!
    $895.00 Buy Surplus As Low As $537.00
    $537.00
    Repair Yours $300.00
    HONEYWELL RM7896A1012

    HONEYWELL

    RM7896A1012

    BURNER CONTROL UNIT, 7800 SERIES, RELAY MODULE, INTERMITTENT PILOT TYPE, 15 SECOND POST PURGE, SELECTABLE INTERLOCKS, 4 OR 10 SECOND PILOT FLAME ESTABLISHING PERIOD, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $2,142.79 Buy Surplus As Low As $1,285.67
    $1,285.67
    Repair Yours $690.00
    HONEYWELL BCU-460-10/1LW3GBB1/1

    HONEYWELL

    KROMSCHRODER

    BCU-460-10/1LW3GBB1/1

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT 230VAC 50/60HZ IP54
    ✓ IN STOCK!
    Buy Surplus As Low As $1,620.00
    $1,620.00
    Repair Yours $1,350.00
    HONEYWELL IFS 135B-3/1/1T

    HONEYWELL

    KROMSCHRODER

    IFS 135B-3/1/1T

    DISCONTINUED BY MANUFACTURER, GAS BURNER CONTROL, 220/240 VAC, 50/60 HZ, -20/+ 60 C, 84344500
    ✓ IN STOCK!
    Buy Surplus As Low As $867.68
    $867.68
    Repair Yours $699.19
    HONEYWELL PFU-778-L-3/1TS3

    HONEYWELL

    KROMSCHRODER

    PFU-778-L-3/1TS3

    DISCONTINUED BY MANUFACTURER, BURNER CONTROL UNIT, PFU 778, 220-240 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $880.00
    HONEYWELL PFU-778-L-3/1TS2

    HONEYWELL

    KROMSCHRODER

    PFU-778-L-3/1TS2

    BURNER CONTROL UNIT PFU 778 220-240VAC 50/60HZ
    ✓ IN STOCK!
    $1,048.00 Buy Surplus As Low As $524.00
    $524.00
    Repair Yours $498.00
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