The Round® Mercury Free Thermostat with manual changeover and R,W,Y terminals for single stage heating systems
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Mercury Free
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Classic Styling
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Premier White®
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Separate temperature setting and thermometer
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The T87K heat only works with 2 or 3 wire heat only systems
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The Easy-To-SeeT has enlarged scale and raised numbers--plus it click at every 2ºF change
FEATURES:
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Description- The Round® Heat Only Mercury Free Thermostat
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Application- Heat Only
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Mounting- Round
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Color- Premier White®
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Stages- 1 Heat
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Power Method- Uses stored power from heating controls.
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Terminal Designations- R, W, Y
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Switch Type- Relay
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Accuracy (F)- 2 F
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Accuracy (C)- 1 C
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Dimensions (in.)- 3 11/16 in. diameter x 1 3/4 in. deep
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Dimensions (mm)- 94 mm diameter x 45 mm deep
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Setting Temperature Range (F)- 40 F to 90 F
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Frequency- 60 Hz;50 Hz
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Cycles per Hour Adj.- 1,3,5,9
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Heat Current- 0.02-1.2A running
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Sensor Element- Thermistor
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Operating Humidity Range (% RH)- 5 to 90% RH (non-condensing)
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Voltage- 20 to 30 Vac
