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F1058 Capillary Tube Thermostat Pipe Mounted Series TEF1058 Junction Box for Heat Tracing - Wall Mounted Series TEF1058 Junction Box for Heat Tracing ...F1058 Capillary Tube Thermostat Series TEF1058 Ambient Sensing Electronic Thermostat Series TEF1058 Ambient Air Thermostat Series TEF502392xx Safety t