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Items 41-50 of 732

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  1. T775B2040/U
    T775B2040/U
    Honeywell Controllers, T775 Series 2000 Standalone Series
    Item Number
    T775B2040/U
    MFG Item Number
    T775B2040/U
    Series
    T775 Series 2000 Standalone
    Product Description
    HW US:TEMP.CONTROLLER WITH 2
    Specifications
    Specifications
    Type Standard NEMA 1
    Number of Sensor Inputs 2
    Output 4 SPDT
    Setpoint Temp Range -40-248 °F
    Differential Temperature 1-150 °F
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. T775M2006/U
    T775M2006/U
    Honeywell Controllers, T775 Series 2000 Standalone Series
    Item Number
    T775M2006/U
    MFG Item Number
    T775M2006/U
    Series
    T775 Series 2000 Standalone
    Product Description
    ELECTRONIC TEMP CONTROLLER
    Specifications
    Specifications
    Type Modulating NEMA 1
    Number of Sensor Inputs 2
    Setpoint Temp Range -40-248 °F
    Differential Temperature 1-150 °F
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  3. T775M2014/U
    T775M2014/U
    Honeywell Controllers, T775 Series 2000 Standalone Series
    Item Number
    T775M2014/U
    MFG Item Number
    T775M2014/U
    Series
    T775 Series 2000 Standalone
    Product Description
    ELECTRONIC REMOTE TEMPERATURE
    Specifications
    Specifications
    Type Modulating NEMA 4X
    Number of Sensor Inputs 2
    Setpoint Temp Range -40-248 °F
    Differential Temperature 1-150 °F
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  4. T775U2006/U
    T775U2006/U
    Honeywell Controllers, T775 Series 2000 Special Standalone Series
    Item Number
    T775U2006/U
    MFG Item Number
    T775U2006/U
    Series
    T775 Series 2000 Special Standalone
    Product Description
    ELECTRONIC REMOTE UNIVERSAL
    Specifications
    Specifications
    Number of Sensor Inputs 2
    Setpoint Temp Range -40-248 °F
    Differential Temperature 1-150 °F
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. T775U2016/U
    T775U2016/U
    Honeywell Controllers, T775 Series 2000 Special Standalone Series
    Item Number
    T775U2016/U
    MFG Item Number
    T775U2016/U
    Series
    T775 Series 2000 Special Standalone
    Product Description
    Electronic Remote Universal
    Specifications
    Specifications
    Number of Sensor Inputs 2
    Setpoint Temp Range -40-248 °F
    Differential Temperature 1-150 °F
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  6. A421AEC-01C
    A421AEC-01C
    Johnson Controls Controllers, A421 Series
    Item Number
    A421AEC-01C
    MFG Item Number
    A421AEC-01C
    Series
    A421
    Product Description
    ELECTRONIC SINGLE STAGE; ELECTRONIC
    Specifications
    Specifications
    Type Remote Bulb
    Number of Sensor Inputs 1
    Output 1 SPDT
    Setpoint Temp Range -40-212 °F
    Capillary Length 0.82 '
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  7. FS-50
    FS-50
    ACI-Automation Components Controllers, FS Series
    Item Number
    FS-50
    MFG Item Number
    142963
    Series
    FS
    Product Description
    Freezestat, Man.Reset, Nema1, 50ft.
    Specifications
    Specifications
    Type Freeze Warning
    Voltage AC 250 V
    Output 2 SPDT
    Max Temperature 392 °F
    Setpoint Temp Range 14-54 °F
    Capillary Length 50 '
    RoHS Compliant Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  8. FS-5A
    FS-5A
    ACI-Automation Components Controllers, FS Series
    Item Number
    FS-5A
    MFG Item Number
    106296
    Series
    FS
    Product Description
    (1)Spdt W/Auto Reset 14-54F 6ft.
    Specifications
    Specifications
    Type Freeze Warning
    Voltage AC 250 V
    Output 1 SPDT
    Max Temperature 392 °F
    Setpoint Temp Range 14-54 °F
    Capillary Length 5 '
    RoHS Compliant Yes
    Increase
    Decrease
    Availability
  9. LLC-307
    LLC-307
    Greystone Energy Systems Controllers, LLC Series
    Item Number
    LLC-307
    MFG Item Number
    LLC-307
    Series
    LLC
    Product Description
    Freeze Stat, SPDT Manual reset
    Specifications
    Specifications
    Type Frost Protection
    Number of Sensor Inputs 1
    Output 1 SPDT
    Max Temperature 300 °F
    Differential Temperature 4.5 °F
    Capillary Length 20 '
    Increase
    Decrease
    Availability
  10. T675A1003/U
    T675A1003/U
    Honeywell Controllers, T675 Series
    Item Number
    T675A1003/U
    MFG Item Number
    T675A1003/U
    Series
    T675
    Product Description
    TEMP CONTROLLER
    Specifications
    Specifications
    Type Remote Bulb
    Output 1 SPDT
    Max Temperature 125 °F
    Setpoint Temp Range 0-100 °F
    Differential Temperature 3-10 °F
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
per page

Controllers

HVAC controllers are used to regulate the operation of heating or air conditioning systems in a building, plant, or room.

HVAC control systems use sensing devices like thermostats, humidistats, and process controllers to compare the actual state of an environment with a predetermined setpoint. Controllers then turn on or turn off heaters, air conditioners, and fans to adjust the ambient temperature and humidity to match the target state.

HVAC controllers use a combination of analog and digital inputs and outputs to perform a variety of actions, including taking measurements, starting and stopping equipment, and opening or closing valves, dampers, and more.

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