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Temperature Controllers

T675A/B and T678A Temperature Controllers

T675A/B and T678A temperature controllers regulate the temperature of air or liquids in ducts, pipes, tanks, and boilers. Typical uses include control of dampers and valves in heating, cooling, or heating-cooling systems.

T675A/B and T678A temperature controllers regulate the temperature of air or liquids in ducts, pipes, tanks, and boilers. Typical uses include control of dampers and valves in heating, cooling, or heating-cooling systems.

Features & Benefits:
  • T675A has one single-pole, double-throw (SPDT) switch that breaks R-B and makes R-W at the setpoint on temperature rise
  • T675B manual reset low limit has one single-pole, single-throw (SPST) switch that breaks at the setpoint on a temperature fall, and requires manual setting
  • T678A has two single-pole, double-throw (SPDT) switches that operate in sequence
  • T675A models available with adjustable differential
  • T675A and T678A have setpoint adjustment knob on front of case
  • Capillary tubing allows remote mounting of sensing element; models available with various lengths
  • T675A and T678A models available with a fast-response sensing element
  • Controller can be mounted in any position
  • Mounting accessories available for all applications
  • Ambient temperature compensated

Others

  • Brand
    • Honeywell BMS NA

Others

  • Brand
    • Honeywell BMS NA
  • Brand : Honeywell BMS NA
Data Sheet
Name
Description
File Size
Date
Size
Product Data for T678C, T678D, T678E, T678F, T678G Thermostats (English)
application/pdf 804.3 KB
2/17/2022
804.3 KB
Product Data for T675F Crop-Trol Controller (English)
application/pdf 815.52 KB
2/17/2022
815.52 KB
Product Data
application/pdf 562.82 KB
2/17/2022
562.82 KB
Product Data
application/pdf 711.15 KB
2/17/2022
711.15 KB
Installation Instructions
Name
Description
File Size
Date
Size
Installation Instructions
application/pdf 1.96 MB
2/17/2022
1.96 MB
Engineering Specifications
Name
Description
File Size
Date
Size
T678A Temperature Controller
application/pdf 199.96 KB
2/17/2022
199.96 KB
Installation Instructions
application/pdf 173.56 KB
2/17/2022
173.56 KB
Reference Guides
Name
Description
File Size
Date
Size
Remote Temperature Controllers Quick Selection Guide
application/pdf 329.41 KB
2/17/2022
329.41 KB
Name
Description
File Size
Date
Size
Product Data for T678C, T678D, T678E, T678F, T678G Thermostats (English)
804.3 KB
2/17/2022
804.3 KB
Product Data for T675F Crop-Trol Controller (English)
815.52 KB
2/17/2022
815.52 KB
Product Data
562.82 KB
2/17/2022
562.82 KB
Installation Instructions
1.96 MB
2/17/2022
1.96 MB
T678A Temperature Controller
199.96 KB
2/17/2022
199.96 KB
Installation Instructions
173.56 KB
2/17/2022
173.56 KB
Product Data
711.15 KB
2/17/2022
711.15 KB
Remote Temperature Controllers Quick Selection Guide
329.41 KB
2/17/2022
329.41 KB
Image
SKU
Description
alt
T675A1003/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, Copper Bulb, 5ft Capillary, 3 to 10F Differential
alt
T678A1163/U
Remote Bulb Thermostat, 15 to 35C, 2 SPDT, Copper Bulb, 6.1m Capillary,1.7 to 5.6C Adjustable, Celsius Scale
alt
T675A1540/U
Remote Bulb Thermostat, 55 to 175F, 1 SPDT, Copper Bulb, 5ft Capillary, 3.6 to 12F Differential
alt
T675A1102/U
Remote Bulb Thermostat, 160 to 260F, 1 SPDT, Copper Bulb, 20ft Capillary, 3 to 10F Differential
alt
T675A1458/U
Remote Bulb Thermostat, 55 to 175, 1 SPDT, Copper Bulb, 5ft Capillary Length, 1F Fixed Differential
alt
T675A2100/U
Remote Bulb Thermostat, 15 to 75C, 1 SPDT, Copper Bulb, 1.5m Capillary, 2 to 6.6C Differential, Celsius Scale
alt
T675A1565/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, Copper Bulb, 20ft Capillary, 3 to 10F Differential, Fast response Model
alt
T675A1508/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, Copper Bulb, 5ft Capillary, 3 to 10F Differential
alt
T675A1243/U
Remote Bulb Thermostat, 160 Fto 260F, 1 SPDT, Copper Bulb, 5.5ft Capillary, 1.0F Differential, Celsius Model
alt
T678F1002/U
Remote Bulb Thermostat, 55 to 85F, 2 SPDT, Copper Bulb, 5.5ft Capillary, 2F Differential