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    Controls & Indicators / Temperature/Process Control

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    Results 1-50 of 91.
    SIEMENS RWF61.10

    SIEMENS

    LANDIS & GYR

    RWF61.10

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, UNIVERSAL, POLYGYR, 24 VAC, 50/60 HZ, 1 MA, 0-10 VDC, 1 ANALOG OUTPUT, FOR USE W/ HVAC AND TEMPERATURE SENSORS QAA / AQF, -10 TO +10 DEG ...
    ✓ IN STOCK!
    Buy Surplus As Low As $477.00
    $477.00
    Repair Yours $396.00
    SIEMENS 544-770B

    SIEMENS

    LANDIS & GYR

    544-770B

    TEMPERATURE SENSORE, OVERRIDE AND SETPOINT, 18-22AWG
    ✓ IN STOCK!
    $356.00 Buy Surplus As Low As $214.00
    $214.00
    Repair Yours $200.00
    SIEMENS RWD32S

    SIEMENS

    LANDIS & GYR

    RWD32S

    TEMPERATURE CONTROLLER AC 230V 50/60HZ 6VA
    ✓ IN STOCK!
    $250.00 Buy Surplus As Low As $125.00
    $125.00
    Repair Yours $200.00
    SIEMENS AZY61.1

    SIEMENS

    LANDIS & GYR

    AZY61.1

    TEMPERATURE CONTROL 5-35DEG
    ✓ IN STOCK!
    Buy Surplus As Low As $75.00
    $75.00
    Repair Yours $200.00
    SIEMENS 536-195

    SIEMENS

    LANDIS & GYR

    536-195

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, 20/120F
    ✓ IN STOCK!
    Buy Surplus As Low As $152.00
    $152.00
    Repair Yours $200.00
    SIEMENS LAL3.25

    SIEMENS

    LANDIS & GYR

    LAL3.25

    DISCONTINUED BY MANUFACTURER, OIL BURNER CONTROL, 220-240V, 50-60HZ, 5 AMP, 3.5VA, TV 22.5S, TS MAX 5S
    ✓ IN STOCK!
    Buy Surplus As Low As $270.00
    $270.00
    Repair Yours $249.00
    LANDIS & STAEFA REF9

    LANDIS & STAEFA

    STAEFA CONTROL SYS

    REF9

    KLIMOWATER TEMPERATURE CONTROL
    Buy Surplus As Low As $3,344.00
    $3,344.00
    Repair Yours $2,200.00
    SIEMENS 544-780FA

    SIEMENS

    LANDIS & GYR

    544-780FA

    DISCONTINUED BY MANUFACTURER, ROOM TEMP SENSOR, WITH OVERRIDE, SETPOINT (BEIGE), LED DISPLAY, REPLACED BY QAA2212.FWSN
    ✓ IN STOCK!
    Buy Surplus As Low As $569.00
    $569.00
    Repair Yours $370.00
    SIEMENS RK8

    SIEMENS

    LANDIS & GYR

    RK8

    UNIVERSAL TEMPERATURE CONTROLLER 5-32DEG C
    ✓ IN STOCK!
    $229.50 Buy Surplus As Low As $137.70
    $137.70
    Repair Yours $200.00
    SIEMENS QAM22

    SIEMENS

    LANDIS & GYR

    QAM22

    DISCONTINUED BY MANUFACTURER, DUCT TEMPERATURE SENSOR, 0.4 M SENSING ELEMENT LENGTH, 50 TO +80 DEGREE C, W/O MOUNTING CLAMPS, IP42
    ✓ IN STOCK!
    Buy Surplus As Low As $180.00
    $180.00
    Repair Yours $200.00
    SIEMENS PRU10.64

    SIEMENS

    LANDIS & GYR

    PRU10.64

    DISCONTINUED BY MANUFACTURER, UNIVERSAL PROCESS UNIT, WITH P-BUS AND CONNECTIONS FOR BLN OR FLN BUS, AC 24V, 50/60 HZ, PROTECTION CLASS IP20, RS-232 AND BLN / FLN (RS-485) INTERFACE
    ✓ IN STOCK!
    Buy Surplus As Low As $455.00
    $455.00
    Repair Yours $380.00
    SIEMENS RMU710-2

    SIEMENS

    LANDIS & GYR

    RMU710-2

    DISCONTINUED BY MANUFACTURER, UNIVERSALCONTROLLER, 1 CONTROL LOOP, INTEGRATED SUPERVISORY FUNCTIONS, 4 AMP, 250 VAC, IP20
    ✓ IN STOCK!
    Buy Surplus As Low As $900.00
    $900.00
    Repair Yours $747.00
    SIEMENS PRV2.64

    SIEMENS

    LANDIS & GYR

    PRV2.64

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 24 V AC, 50/60 HZ, 55 VA, 0-50 C
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    SIEMENS AZY61.4

    SIEMENS

    LANDIS & GYR

    AZY61.4

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROL MODULE, RANGE: 10-100 DEG FAHRENHEIT
    ✓ IN STOCK!
    Buy Surplus As Low As $103.00
    $103.00
    Repair Yours $200.00
    SIEMENS RWD62

    SIEMENS

    LANDIS & GYR

    RWD62

    UNIVERSAL TEMPERATURE CONTROLLER, 2 ANALOG OUTPUTS, 2 DIGITAL INPUTS, 4 DIGITS, 24 V AC, 50 / 60HZ, 2.5 VA, IP20
    ✓ IN STOCK!
    $335.00 Buy Surplus As Low As $201.00
    $201.00
    SIEMENS 540-120

    SIEMENS

    LANDIS & GYR

    540-120

    TERMINAL EQUIPMENT CONTROLLER RTS
    ✓ IN STOCK!
    Buy Surplus As Low As $136.00
    $136.00
    Repair Yours $200.00
    SIEMENS RVP31.31

    SIEMENS

    LANDIS & GYR

    RVP31.31

    TEMPERATURE CONTROLLER W/OUTDOOR SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As $675.29
    $675.29
    Repair Yours $560.49
    SIEMENS RVP-21.51

    SIEMENS

    LANDIS & GYR

    RVP-21.51

    TEMPERATURE CONTROL
    ✓ IN STOCK!
    $780.31 Buy Surplus As Low As $281.89
    $281.89
    Repair Yours $233.96
    SIEMENS LVF1.4401

    SIEMENS

    LANDIS & GYR

    LVF1.4401

    DISCONTINUED BY MANUFACTURER, MEASURING TEMPERATURE MODULE AUTOMATE, 0-10 V
    ✓ IN STOCK!
    Buy Surplus As Low As $84.00
    $84.00
    Repair Yours $200.00
    SIEMENS LOK16.250A27

    SIEMENS

    LANDIS & GYR

    LOK16.250A27

    OIL BURNER CONTROL, UNIVERSAL, 5 AMP, 230 VAC, 50/60 HZ, 3.5 VA, TV 22.5S, TS MAX 5S
    ✓ IN STOCK!
    $2,258.10 Buy Surplus As Low As $1,354.86
    $1,354.86
    Repair Yours $1,250.00
    SIEMENS QAF81.3

    SIEMENS

    LANDIS & GYR

    QAF81.3

    FROST MONITOR 250VAC 2POINT 3000MM CAPILARY TUBE
    ✓ IN STOCK!
    $191.00 Buy Surplus As Low As $146.00
    $146.00
    Repair Yours $200.00
    SIEMENS PRV-2.128

    SIEMENS

    LANDIS & GYR

    PRV-2.128

    DISCONTINUED BY MANUFACTURER, CONTROLLER HEATING, 24VAC, 50/60HZ, 100VA
    ✓ IN STOCK!
    Buy Surplus As Low As $433.50
    $433.50
    Repair Yours $283.00
    LANDMARK LMX-V1.11

    LANDMARK

    LMX-V1.11

    DISCONTINUED BY MANUFACTURER, INFRARED CONTROLLER, 120 V, RS232/RS422
    ✓ IN STOCK!
    Buy Surplus As Low As $380.00
    $380.00
    Repair Yours $249.00
    SIEMENS 540-122

    SIEMENS

    LANDIS & GYR

    540-122

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, TERMINAL EQUIPMENT CONTROLLER, WITH FAHRENHEIT INDICATION, SETPOINT DIAL, DI SWITCH, REPLACED BY QAA2280.FWSC
    ✓ IN STOCK!
    Buy Surplus As Low As $182.00
    $182.00
    Repair Yours $200.00
    SIEMENS 533-376

    SIEMENS

    LANDIS & GYR

    533-376

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR, 20-120F, MODEL: 010334
    ✓ IN STOCK!
    Buy Surplus As Low As $205.20
    $205.20
    Repair Yours $200.00
    SIEMENS LDU11.523A27

    SIEMENS

    LANDIS & GYR

    LDU11.523A27

    CONTROL BOX, 220-240VOLT, 5S
    ✓ IN STOCK!
    $1,259.00 Buy Surplus As Low As $756.00
    $756.00
    Repair Yours $628.00
    SIEMENS 049840

    SIEMENS

    LANDIS & GYR

    049840

    DISCONTINUED BY MANUFACTURER, TEMPERTURE TRANSMITTER, -40-120F 3' CAP * TEMPERATURE TRANSMITTER. REMOTE BULB. RANGE -40 TO 120F. BULB 1/4 X 4 . 3'CAP
    ✓ IN STOCK!
    Buy Surplus As Low As $123.80
    $123.80
    Repair Yours $200.00
    SIEMENS 500-055

    SIEMENS

    LANDIS & GYR

    500-055

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, MASTERSET, 1K OHM THERMISTOR, 20-120 DEGREE FAHRENHEIT
    ✓ IN STOCK!
    Buy Surplus As Low As $31.00
    $31.00
    SIEMENS OSC-20

    SIEMENS

    LANDIS & GYR

    OSC-20

    DISCONTINUED BY MANUFACTURER, HEATING CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $475.01
    $475.01
    Repair Yours $394.79
    SIEMENS AZY61.9

    SIEMENS

    LANDIS & GYR

    AZY61.9

    TEMPERATURE CONTROL MODULE
    ✓ IN STOCK!
    $82.07 Buy Surplus As Low As $53.60
    $53.60
    Repair Yours $200.00
    SIEMENS RXB21.1/FC-10

    SIEMENS

    LANDIS & GYR

    RXB21.1/FC-10

    ROOM TEMPERATURE CONTROLLER, 230 VAC, 50/60 HZ, 12 VA, IP20 (30), FOR 2-PIPE OR 4-PIPE FAN-COIL SYSTEMS
    ✓ IN STOCK!
    $425.00 Buy Surplus As Low As $255.00
    $255.00
    Repair Yours $212.00
    SIEMENS RWD32

    SIEMENS

    LANDIS & GYR

    RWD32

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER AC 230V 50/60HZ 6.5VA
    ✓ IN STOCK!
    Buy Surplus As Low As $211.22
    $211.22
    Repair Yours $268.21
    SIEMENS PRV1.64

    SIEMENS

    LANDIS & GYR

    PRV1.64

    DISCONTINUED BY MANUFACTURER, HEATER CONTROL, 24VAC, 50/60HZ
    Buy Surplus As Low As $160.93
    $160.93
    Repair Yours $268.21
    SIEMENS 544-776FB

    SIEMENS

    LANDIS & GYR

    544-776FB

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, SETPOINT, W/TEMPERATURE DISPLAY
    Buy Surplus As Low As $152.00
    $152.00
    Repair Yours $200.00
    SIEMENS QAA-23

    SIEMENS

    LANDIS & GYR

    QAA-23

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR MODULE
    Buy Surplus As Low As $126.00
    $126.00
    Repair Yours $200.00
    SIEMENS 544-760B

    SIEMENS

    LANDIS & GYR

    544-760B

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, WHITE, REPLACED BY QAA2212.EWSN OR QAA2212.EWNN
    Buy Surplus As Low As $108.00
    $108.00
    Repair Yours $200.00
    SIEMENS 540-841

    SIEMENS

    LANDIS & GYR

    540-841

    DISCONTINUED BY MANUFACTURER, HEAT PUMP CONTROLLER, 24VAC, 0-10 V SEQUENCE
    Buy Surplus As Low As $601.00
    $601.00
    Repair Yours $475.00
    LANDIS & STAEFA FRA-H2/T1

    LANDIS & STAEFA

    STAEFA CONTROL SYS

    FRA-H2/T1

    DISCONTINUED BY MANUFACTURER, ROOM HUMIDITY SENSOR 156SGND OUT
    Buy Surplus As Low As $66.00
    $66.00
    Repair Yours Contact Us
    LANDIS & STAEFA 587-290

    LANDIS & STAEFA

    STAEFA CONTROL SYS

    587-290

    DISCONTINUED BY MANUFACTURER, TEMPERATURE CONTROLLER, 4 LOOP PREDATOR SERIES, 6 IN 8 DO 3 AO, 2 IN 100 KOHM THERMISTOR OR DRY CONTACT, 4 IN - 0-10 VDC OR DRY CONTACT, 8DO - 24 VAC/12 VA/TRIA ...
    Buy Surplus As Low As $450.00
    $450.00
    Repair Yours $380.00
    LANDIS & STAEFA SM2-DDC

    LANDIS & STAEFA

    STAEFA CONTROL SYS

    SM2-DDC

    TEMERATURE CONTROLLER LCD DISPLAY
    Buy Surplus As Low As $840.00
    $840.00
    Repair Yours $700.00
    SIEMENS 540-666FA

    SIEMENS

    LANDIS & GYR

    540-666FA

    ROOM TEMPERATURE SENSOR W/IND
    $165.00 Buy Surplus As Low As $99.00
    $99.00
    Repair Yours $200.00
    SIEMENS 540-662B

    SIEMENS

    LANDIS & GYR

    540-662B

    DISCONTINUED BY MANUFACTURER 01/06/2023, ROOM TEMPERATURE SENSOR, ELECTRONIC, W/OVRD, WHITE
    Buy Surplus As Low As $182.00
    $182.00
    Repair Yours $200.00
    SIEMENS 536-983A

    SIEMENS

    LANDIS & GYR

    536-983A

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE SENSOR, 20/120F, 100K
    Buy Surplus As Low As $122.00
    $122.00
    Repair Yours $200.00
    SIEMENS MST-300

    SIEMENS

    LANDIS & GYR

    MST-300

    DISCONTINUED BY MANUFACTURER, HVAC CONTROLLER, 24 VAC, 50/60 HZ, 100 VA, CLASS 2
    Buy Surplus As Low As $243.00
    $243.00
    Repair Yours $200.00
    LANDIS & STAEFA FT-TH2/C2

    LANDIS & STAEFA

    STAEFA CONTROL SYS

    FT-TH2/C2

    DISCONTINUED BY MANUFACTURER, TEMPERATURE SENSOR
    Buy Surplus As Low As $270.00
    $270.00
    Repair Yours $230.00
    LANDIS & STAEFA FT-T1

    LANDIS & STAEFA

    STAEFA CONTROL SYS

    FT-T1

    TEMPERATURE CONTROL
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    SIEMENS PTM6.1-PSI-MRBC

    SIEMENS

    LANDIS & GYR

    PTM6.1-PSI-MRBC

    CONTROLLER REMOTE BUILDING
    Buy Surplus As Low As $840.00
    $840.00
    Repair Yours $700.00
    SIEMENS RCU50.2U

    SIEMENS

    LANDIS & STAEFA

    RCU50.2U

    DISCONTINUED BY MANUFACTURER, ROOM TEMPERATURE CONTROLLER, FOR VAV AND CAV SYSTEMS, OUTPUT: (1) 0 TO 10 VDC, MANUAL CHANGEOVER HEATING/COOLING/OFF, (FIXED), PROPORTIONAL, 24 VAC +/-20%, 50/6 ...
    Buy Surplus As Low As $43.00
    $43.00
    SIEMENS QAE-21

    SIEMENS

    LANDIS & GYR

    QAE-21

    DISCONTINUED BY MANUFACTURER, IMMERSION TEMPERATURE SENSOR, CONTROLLING THE DHW TEMPERATURE, CONTROLLING OR LIMITING THE FLOW TEMPERATURE, LIMITING THE RETURN TEMPERATURE
    Buy Surplus As Low As $180.00
    $180.00
    Repair Yours $200.00
    SIEMENS 540-672CA

    SIEMENS

    LANDIS & GYR

    540-672CA

    ROOM TEMPERATURE SENSOR W/STPT
    $165.00 Buy Surplus As Low As $99.00
    $99.00
    Repair Yours $200.00
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