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Honeywell BMS NA

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

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
Image
SKU
Description
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T678A1494/U
TWO STAGE REMOTE BULB THERMOSTAT
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T678A1015/U
Remote Bulb Thermostat, 0 to 100F, 2 SPDT, Copper Bulb, 20ft Capillary, 3 to 10F Adjustable
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T678A1395/U
TEMP CONTROLLER
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T675A2100/U
Remote Bulb Thermostat, 15 to 75C, 1 SPDT, Copper Bulb, 1.5m Capillary, 2 to 6.6C Differential, Celsius Scale
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T678A1445/U
Remote Bulb Thermostat, 55 to 175F, 2 SPDT, Copper Bulb, 5ft Capillary, 3.6 to 12F Adjustable
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T675A2076/U
Remote Bulb Thermostat, 15C to 35C, 1 SPDT, Copper Bulb, 1.5m Capillary, 0.6C Fixed Differential, Celsius Scale
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T675F1016/U
Remote Bulb Thermostat, 80 to 220F, 1 SPDT, Averaging Capillary, 10ft Capillary, 5 to 30F Differential
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T675A1029/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, Copper Bulb, 20ft Capillary, 3 to 10F Differential
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T675A1243/U
Remote Bulb Thermostat, 160 Fto 260F, 1 SPDT, Copper Bulb, 5.5ft Capillary, 1.0F Differential, Celsius Model
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T675A1045/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, SS Bulb, 20ft Capillary, 3 to 10F Differential