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Remote Bulb 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
Image
SKU
Description
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T678A1494/U
TWO STAGE REMOTE BULB THERMOSTAT
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T675B1028/U
Remote Bulb Thermostat, 20 to 50F, 1 SPDT, Copper Bulb, 10ft Capillary, Manual Reset
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T678A1163/U
Remote Bulb Thermostat, 15 to 35C, 2 SPDT, Copper Bulb, 6.1m Capillary,1.7 to 5.6C Adjustable, Celsius Scale
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T675A1003/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, Copper Bulb, 5ft Capillary, 3 to 10F Differential
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T675A1102/U
Remote Bulb Thermostat, 160 to 260F, 1 SPDT, Copper Bulb, 20ft Capillary, 3 to 10F Differential
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T675B1002/U
Remote Bulb Thermostat, 30 to 50F, 1 SPDT, Copper Bulb, 10ft Capillary, Manual Reset
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T678D1004/U
TEMP CONTROLLER
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T678E1003/U
Remote Bulb Thermostat, 40 to 180F, 1 SPDT, Copper Bulb, 1.5m Capillary, 3.6 to 12F Differential, Celsius Scale
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T678A1361/U
Remote Bulb Thermostat, 55 to 175F, 2 SPDT, Copper Bulb, 20ft Capillary, 3.6 to 12F Adjustable
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T675A1516/U
Remote Bulb Thermostat, 0 to 100F, 1 SPDT, Copper Bulb, 5ft Capillary, 1F Fixed Differential