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    Controls & Indicators / Thermostat

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    Results 451-500 of 970.
    HONEYWELL Q539A-1147

    HONEYWELL

    Q539A-1147

    DISCONTINUED BY MANUFACTURER, THERMOSTAT SUBBASE, HEAT-OFF-COOL, ON-AUTO, 2 AMP, 24 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $4.11
    $4.11
    Repair Yours $300.00
    HONEYWELL TP973A2223

    HONEYWELL

    TP973A2223

    PNEUMATIC THERMOSTATDA FOR 1 OR 2 PIPE SYSTEMSINCLUDES BEIGE COVER 60-90F
    ✓ IN STOCK!
    $267.51 Buy Surplus As Low As $160.51
    $160.51
    Repair Yours $300.00
    HONEYWELL TP971C2025

    HONEYWELL

    TP971C2025

    60\-90F, 16 PSI DAY, 21 PSI NIGHT. , TP971C2025
    ✓ IN STOCK!
    $832.86 Buy Surplus As Low As $499.71
    $499.71
    Repair Yours $444.00
    HONEYWELL T675A-1771

    HONEYWELL

    T675A-1771

    THERMOSTAT, TEMPERATURE CONTROLLER, T675A SERIES, SPDT, SINGLE SWITCH, SNAP-ACTING, 55-175 F, FAST RESPONSE
    ✓ IN STOCK!
    $169.89 Buy Surplus As Low As $101.93
    $101.93
    Repair Yours $300.00
    HONEYWELL W7750A-2005

    HONEYWELL

    W7750A-2005

    DISCONTINUED BY MANUFACTURER, THERMOSTAT, PROTECTIVE COMMAND DISPLAY, EXCEL 10, 20-30 VAC, 50/60 HZ, 1.5 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $345.48
    $345.48
    Repair Yours $300.00
    HONEYWELL T822K1000

    HONEYWELL

    RESIDEO

    T822K1000

    THERMOSTAT, MERCURY FREE T822, HEAT ONLY, VERTICAL, 24 V, NON-PROGRAMMABLE, 0.4-30 W, 0.02-1 A, MECHANICAL
    ✓ IN STOCK!
    $71.47 Buy Surplus As Low As $54.31
    $54.31
    HONEYWELL T87K1007

    HONEYWELL

    RESIDEO

    T87K1007

    THERMOSTAT, HEAT ONLY, 2/3 WIRE, 20-30 VAC, 40-90 DEG F REPLACES T87F-2873
    ✓ IN STOCK!
    $59.90 Buy Surplus As Low As $35.94
    $35.94
    HONEYWELL T8602D-2000

    HONEYWELL

    T8602D-2000

    THERMOSTAT BATTERY POWERED CHRONO IV
    ✓ IN STOCK!
    $64.13 Buy Surplus As Low As $38.48
    $38.48
    Repair Yours Contact Us
    HONEYWELL T4398A1021

    HONEYWELL

    RESIDEO

    T4398A1021

    ELECTRIC HEATING THERMOSTAT, W THERMOMETER, 240 VAC, 22A, 60 HZ, SPST, PREMIER WHITE
    ✓ IN STOCK!
    $46.99 Buy Surplus As Low As $28.20
    $28.20
    Repair Yours $300.00
    HONEYWELL L408B-1131

    HONEYWELL

    L408B-1131

    DISCONTINUED BY MANUFACTURER, VAPORSTAT CONTROLLER,0-160Z RANGE
    ✓ IN STOCK!
    $205.89 Buy Surplus As Low As $123.54
    $123.54
    Repair Yours $300.00
    HONEYWELL TP971A2102

    HONEYWELL

    TP971A2102

    THERMOSTAT, PNEUMATIC, CONVERTASTAT, DAY-NITE, 60-90 DEG F, 2-PIPE, SATIN CHROME,
    ✓ IN STOCK!
    $645.80 Buy Surplus As Low As $490.81
    $490.81
    HONEYWELL TH6110D1021

    HONEYWELL

    RESIDEO

    TH6110D1021

    FOCUSPRO 6000 5-1-1 DAY PROGRAMMABLE THERMOSTAT, 20-30VAC OR 750MV, 1 HEAT/1 COOL, HEAT/COOL OR HEAT PUMP WITHOUT AUXILIARY HEAT, HEAT-OFF-COOL-AUTO SYSTEM SWITCHING, AUTO-ON FAN SWITCHING, ...
    ✓ IN STOCK!
    $252.99 Buy Surplus As Low As $151.79
    $151.79
    Repair Yours $300.00
    HONEYWELL T675A-1540

    HONEYWELL

    T675A-1540

    THERMOSTAT, TEMPERATURE CONTROLLER, T675A SERIES, SPDT, SINGLE SWITCH, SNAP-ACTING, 55-175 F, 5 FOOT CAPILLARY, COPPER BULB SENSING ELEMENT, REPLACES T675A-1417 & T675A-1714
    ✓ IN STOCK!
    $444.00 Buy Surplus As Low As $231.65
    $231.65
    HONEYWELL T104C1036

    HONEYWELL

    RESIDEO

    T104C1036

    HIGH CAPACITY THERMOSTATIC RADIATOR ACTUATOR, REMOTE SENSOR, CAPILLARY LENGTH 4.5 FT, TEMP RANGE 48-79 F
    ✓ IN STOCK!
    $226.12 Buy Surplus As Low As $143.72
    $143.72
    HONEYWELL YTH6320R1001

    HONEYWELL

    RESIDEO

    YTH6320R1001

    FEATURES** * KIT INCLUDES: WIRELESS FOCUSPRO« THERMOSTAT, EQUIPTMENT INTERFACE MODULE \& OPTIONAL RETURN AIR SENSOR * POWERED BY REDLINK RELIABILITY * NO INTERFERENCE WITH OTHER WIRELES ...
    ✓ IN STOCK!
    $476.00 Buy Surplus As Low As $291.22
    $291.22
    Repair Yours $300.00
    HONEYWELL T675A-1706

    HONEYWELL

    T675A-1706

    DISCONTINUED BY MANUFACTURER, THERMOSTAT, TEMPERATURE CONTROLLER, T675A SERIES, SPDT, SINGLE SWITCH, SNAP-ACTING, 0-100 F, REPLACES T675A-1854
    ✓ IN STOCK!
    Buy Surplus As Low As $210.83
    $210.83
    Repair Yours $300.00
    HONEYWELL T6984A-1059

    HONEYWELL

    T6984A-1059

    DISCONTINUED BY MANUFACTURER, THERMOSTAT, FLOATING CONTROL, 24 VAC, 50/60 HZ, 50-95 DEGREE F RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $147.56
    $147.56
    Repair Yours $200.00
    HONEYWELL TP973A2084

    HONEYWELL

    TP973A2084

    15/30C 1 OR 2 PIPE 1 TEMPERATURE NO COVER
    ✓ IN STOCK!
    $382.46 Buy Surplus As Low As $229.48
    $229.48
    Repair Yours $300.00
    HONEYWELL TR24

    HONEYWELL

    TR24

    ROOM TEMPERATURE SENSOR 20KOHM W/OVERRIDE BUTTON 3) AVAILABLE, SURPLUS, NEVER USED, 2 YEAR RADWELL WARRANTY
    ✓ IN STOCK!
    $132.66 Buy Surplus As Low As $79.59
    $79.59
    Repair Yours $300.00
    HONEYWELL T4039S1016

    HONEYWELL

    T4039S1016

    120V THERMOSTAT LO\-MED\-HI FAN, HEAT\-OFF\-COOL , T4039S1016
    ✓ IN STOCK!
    $665.01 Buy Surplus As Low As $399.01
    $399.01
    Repair Yours $398.00
    HONEYWELL T678A1163

    HONEYWELL

    T678A1163

    REMOTE BULB CONTROLLER, REGULATES TEMPERATURE OF AIR OR LIQUIDS, IN DUCTS / PIPES / TANKS / BOILERS, 120 VAC OR 240/277 VAC, 5-95 DEGREE SETPOINT TEMPERATURE RANGE, 125 DEGREE MAXIMUM OPERAT ...
    ✓ IN STOCK!
    $698.28 Buy Surplus As Low As $418.97
    $418.97
    Repair Yours $378.00
    HONEYWELL TB6575B1000

    HONEYWELL

    TB6575B1000

    FAN COIL THERMOSTAT, 3 SPEED, 2-PIPE ONLY W/ SEASONAL OR MANUAL HEAT/COOL CHANGEOVER, 120/240V
    ✓ IN STOCK!
    $177.12 Buy Surplus As Low As $106.27
    $106.27
    Repair Yours $300.00
    HONEYWELL TH141HC-28-B

    HONEYWELL

    RESIDEO

    TH141HC-28-B

    LOW VOLT 7-DAY PROGRAMMABLE 1 HEAT/1 COOL CONVENTIONAL THERMOSTAT, LOW VOLT 7-DAY PROGRAMMABLE THERMOSTAT BATTERY POWERED 1 HEAT / 1 COOL AUTO CHANGEOVER
    ✓ IN STOCK!
    $178.71 Buy Surplus As Low As $107.22
    $107.22
    Repair Yours $300.00
    HONEYWELL T7080B1017

    HONEYWELL

    T7080B1017

    DISCONTINUED BY MANUFACTURER, ELECTRONIC DUAL SETPOINT THERMOSTAT, SPLIT SYSTEM, HEAT PUMP SYSTEMS, FURNACE, VOLTAGE RAMP OUTPUT TYPE, 3 HEAT / 3 COOL, 24 VDC, 55 TO 85 DEGREES F SETPOINT RA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $458.00
    $458.00
    Repair Yours $374.93
    HONEYWELL TH6320R-1004

    HONEYWELL

    RESIDEO

    TH6320R-1004

    THERMOSTAT, WIRELESS, MULTI STAGE, UP TO 3H/2C HEAT PUMP OR 2H/2C CONVENTIONAL, 5-1-1 DAY PROGRAMMABLE, BATTERY OPERATED, HORIZONTAL MOUNT, 24 V LOW VOLTAGE, AUTO MANUAL CHANGEOVER
    ✓ IN STOCK!
    $324.00 Buy Surplus As Low As $144.65
    $144.65
    Repair Yours $300.00
    HONEYWELL T451B3004

    HONEYWELL

    T451B3004

    DISCONTINUED BY MANUFACTURER, , THERMOSTAT, LIGHT DUTY LINE VOLTAGE, 50-86F, WITHOUT THERMOMETER, DPST, 120V
    ✓ IN STOCK!
    Buy Surplus As Low As $52.28
    $52.28
    Repair Yours $300.00
    HONEYWELL TH140-28-01-B

    HONEYWELL

    RESIDEO

    TH140-28-01-B

    LINE AND LOW VOLT 7-DAY PROGRAMMABLE ELECTRONIC THERMOSTAT FOR CENTRAL (CONVENTIONAL) HEATING, THERMOSTAT- HEATING: 5 A (RES.)- 2A (IND.) 24/120/240 V R- W PROG . B MV PP PI
    ✓ IN STOCK!
    $163.10 Buy Surplus As Low As $97.86
    $97.86
    Repair Yours $300.00
    HONEYWELL TP971A2086

    HONEYWELL

    TP971A2086

    DAY/NIGHT PNEUMATIC DA THERMOSTAT 2-PIPE. 60/90F DAY AND 50/75F NIGHT. DAY 20PSI/NIGHT 25PSI.
    ✓ IN STOCK!
    $649.98 Buy Surplus As Low As $389.99
    $389.99
    Repair Yours $332.00
    HONEYWELL T834L1004

    HONEYWELL

    RESIDEO

    T834L1004

    THERMOSTAT, MERCURY FREE, COOL, LOW VOLT, THERMOSTAT- TERMINALS: R- G- O- Y. SCALE: 10-30C & 50-90F. SYSTEM SWITCH: OFF/COOL. FAN SWITCH: AUTO/ON. FIXED COOLING ANTICIPATION. GSA
    ✓ IN STOCK!
    $70.14 Buy Surplus As Low As $42.08
    $42.08
    Repair Yours $300.00
    HONEYWELL Q7300B-1008

    HONEYWELL

    Q7300B-1008

    DISCONTINUED BY MANUFACTURER, COMMERCIAL THERMOSTAT SUBBASE, PROGRAMMABLE, CONVENTIONAL 2H-2C, SYSTEM AUTO-COOL-OFF-HEAT, FAN AUTO-ON, AUX RELAY, 2 LEDS, FOR USE WITH T7300 THERMOSTAT
    ✓ IN STOCK!
    Buy Surplus As Low As $77.41
    $77.41
    HONEYWELL T8001F1004

    HONEYWELL

    T8001F1004

    DISCONTINUED BY MANUFACTURER, ELECTRONIC THERMOSTAT, 5 - 2 DAY, PROGRAMMABLE, FLUSH MOUNT, PREMIER WHITE COLOR, 24 V
    ✓ IN STOCK!
    Buy Surplus As Low As $79.06
    $79.06
    Repair Yours $300.00
    HONEYWELL R841C1169

    HONEYWELL

    RESIDEO

    R841C1169

    ELECTRONIC HEATING RELAY, 7 AMP @ 208/240/277VAC, 14 AMP @ 120VAC, 42 AMP @ 208/240/277VAC, 84 AMP @ 451VAC, 22 AMP @ 120/208/240VAC
    ✓ IN STOCK!
    $170.00 Buy Surplus As Low As $101.97
    $101.97
    Repair Yours $300.00
    HONEYWELL L6021C10192

    HONEYWELL

    L6021C10192

    THERMOSTAT, 2 STAGE , 3-WIRE 250 MAX, 2-SPDT IN SEQ, RANGE 15-75F,WITH CASE AND COVER
    ✓ IN STOCK!
    Buy Surplus As Low As $126.37
    $126.37
    Repair Yours $300.00
    HONEYWELL TP973A2076

    HONEYWELL

    TP973A2076

    THERMOSTAT, SINGLE TEMPERATURE, STANDARD MODEL, PNEUMATIC, DIRECT ACTING
    ✓ IN STOCK!
    $255.49 Buy Surplus As Low As $153.30
    $153.30
    HONEYWELL T7750C1006

    HONEYWELL

    T7750C1006

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, WALL MODULE, 20K OHM NTC, 55F - 85F, NETWORK ACCESS JACK, SETPOINT ADJUSTMENT, OVERRIDE (BYPASS), FOR EXCEL 10 CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $113.74
    $113.74
    Repair Yours $300.00
    HONEYWELL TH6110D1005

    HONEYWELL

    RESIDEO

    TH6110D1005

    DISCONTINUED BY MANUFACTURER, PROGRAMMBLE THERMOSTAT, 20-30VAC, 750MV, 1 HEAT, 1 COOL, AUTO ON FAN SWITCHING, 40-90 HEAT TEMP RANGE, 50-99DEG COOL TEMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $122.61
    $122.61
    Repair Yours $300.00
    HONEYWELL T8511G1021

    HONEYWELL

    T8511G1021

    DISCONTINUED BY MANUFACTURER, THERMOSTAT, TAUPE, NON-PROGRAMMABLE, BACK LIGHTING FOR LCD SCREEN, 40F TO 99F (4C TO 37C), INPUT POWER: 18-30VAC (50/60HZ)
    ✓ IN STOCK!
    Buy Surplus As Low As $5.08
    $5.08
    HONEYWELL TH6220D1002

    HONEYWELL

    RESIDEO

    TH6220D1002

    DISCONTINUED BY MANUFACTURER, 5-1-1 PROG, 2H/2C, BACKLIT, REPALCEMENT:TH6220U2000
    ✓ IN STOCK!
    Buy Surplus As Low As $107.45
    $107.45
    Repair Yours $300.00
    HONEYWELL Q539A-1014

    HONEYWELL

    NOTIFIER CO

    Q539A-1014

    DISCONTINUED BY MANUFACTURER, THERMOSTAT SUBBASE, COOL-OFF-HEAT SWITCH, ON-AUTO FAN CONTROL, 2AMP, 24VAC, SINGLE TRANSFORMER SYSTEM, REPLACED BY T87N1000
    ✓ IN STOCK!
    Buy Surplus As Low As $10.11
    $10.11
    HONEYWELL YTH6320R1023

    HONEYWELL

    RESIDEO

    YTH6320R1023

    WIRELESS ZONING ADAPTER KIT, HEAT-OFF-COOL-AUTO-EM.HEAT SYSTEM, AUTO-ON FAN, INCLUDES THM4000R1000 WIRELESS ADAPTER / TH6320R1004 WIRELESS FOCUS PRO 5-1-1 PROGRAMMABLE THERMOSTAT
    ✓ IN STOCK!
    $412.16 Buy Surplus As Low As $247.29
    $247.29
    Repair Yours $300.00
    HONEYWELL L408J1033

    HONEYWELL

    L408J1033

    PRESSURE CONTROLLER, VAPORSTAT, SPST MAKE ON PRESSURE RISE, 0-4 PSI, AUTO RECYCLE, SCREW TERMINALS, 1/4" NPT MOUNT OR SURFACE MOUNT, 2-16 OZ/IN 2 DIFFERENTIAL, STAINLESS STEEL DIAPHRAGM, CLO ...
    ✓ IN STOCK!
    $492.24 Buy Surplus As Low As $295.34
    $295.34
    Repair Yours $300.00
    HONEYWELL TH115-A-120S

    HONEYWELL

    RESIDEO

    TH115-A-120S

    ELECTRIC HEAT THERMOSTAT, 120 VAC, 7 DAY PROGRAMMABLE, VERTICAL MOUNT, 32-120 DEGREE OPERATING TEMPERATURE, 1 DEGREE DIFFERENTIAL TEMPERATURE
    ✓ IN STOCK!
    $168.79 Buy Surplus As Low As $101.28
    $101.28
    Repair Yours $300.00
    HONEYWELL TH1110D1000

    HONEYWELL

    TH1110D1000

    1 HT/1 CL NON-PROG DIG STAT
    ✓ IN STOCK!
    $58.81 Buy Surplus As Low As $35.28
    $35.28
    Repair Yours $300.00
    HONEYWELL TH115-AF-120S

    HONEYWELL

    RESIDEO

    TH115-AF-120S

    LOW VOLT 7-DAY PROGRAMMABLE ELECTRIC HEATING (AMBIENT AND FLOOR) THERMOSTAT WITH BACKLIGHT, LOW VOLT 7-DAY PROGRAMMABLE THERMOSTAT WITH FLOOR TEMPERATURE SENSOR. AM BIENT OR FLOOR CONTROL. 1 ...
    ✓ IN STOCK!
    $221.47 Buy Surplus As Low As $132.88
    $132.88
    Repair Yours $300.00
    HONEYWELL TB6980A-1007

    HONEYWELL

    TB6980A-1007

    THERMOSTAT, FLOATING CONTROL, 24 VAC, 1 AMP, 50-95 DEG F
    ✓ IN STOCK!
    $251.89 Buy Surplus As Low As $151.13
    $151.13
    HONEYWELL T874B1019

    HONEYWELL

    T874B1019

    DISCONTINUED BY MANUFACTURER, THERMOSTAT MULTISTAGE 24V CONTROL 42-82DEGREE F
    ✓ IN STOCK!
    $26.00 Buy Surplus As Low As $25.87
    $25.87
    Repair Yours $300.00
    HONEYWELL T7350B-1002

    HONEYWELL

    T7350B-1002

    DISCONTINUED BY MANUFACTURER, 2 HEAT/2 COOL COMMERCIAL PROGRAMABLE THERMOSTAT FOR CONVENTIONAL OR HEAT PUMP SYSTEMS, 65 DAY PROGRAMMABLE, PUSH BUTTON, 24V, MOUNT: HORIZONTAL, OPTIONS: WORKS ...
    ✓ IN STOCK!
    Buy Surplus As Low As $342.23
    $342.23
    Repair Yours $300.00
    HONEYWELL Q539J-1006

    HONEYWELL

    Q539J-1006

    THERMOSTAT SUBASE, SWITCHING, FOR USE WITH T87F, SYSTEM: COOL-OFF-HEAT, FAN: AUTO-ON
    ✓ IN STOCK!
    $28.50 Buy Surplus As Low As $21.66
    $21.66
    Repair Yours $300.00
    HONEYWELL T87N1000

    HONEYWELL

    RESIDEO

    T87N1000

    MANUAL THERMOSTAT, 1 HEAT / 1 COOL, 50/60 HZ, BATTERY POWERED, 1.73 SQ IN DISPLAY SIZE, 20-30 VAC, 40 TO 90 DEGREES F, REPLACES T8775C1005 / T87F1008
    ✓ IN STOCK!
    $93.74 Buy Surplus As Low As $56.25
    $56.25
    Repair Yours $300.00
    HONEYWELL T675A-1508

    HONEYWELL

    T675A-1508

    TEMPERATURE CONTROLLER, 0-100 DEG F, 3-10 DEGREE DIFFERENTIAL, 5FT CAPILLARY, W/BULB, 120 OR 240/277 VAC
    ✓ IN STOCK!
    $347.46 Buy Surplus As Low As $208.47
    $208.47
    Repair Yours $300.00
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