CWT45Cold Weather Thermostat

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  • Attic Ventilation Calculator
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  • Easy to install, this optional accessory disables the motor below 50° for climates where cold-weather condensation isn’t a concern and to extend motor life. The thermostat activates the motor at temperatures above 61° to vent air from dawn through dusk.

  • Effective attic ventilation requires air to exit at or near the peak of the roof and replacement air to be drawn in under the eaves of the house, via soffit venting. The Home Ventilating Institute (HVI) recommends that powered attic ventilators provide at least 10 air changes per hour to equalize attic temperature.

    Use our Attic Ventilation Calculator to determine the recommended ventilation needs for your attic. Click here to begin.

  • (2 Questions : 2 Answers)

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    1 year, 1 month ago
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    M & R
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    Answer: 
    Thank you for your question on the model CWT45 thermostat. The CWT45 is an optional thermostat designed to cut off the power going to the motor of a solar powered attic ventilator at 50 degrees Fahrenheit. It is not designed to be used with any other fan. We do sell a wall mounted thermostat, model 70TW, that is designed to be used with our ceiling and wall mounted exhaust fans.
    1 year, 1 month ago
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    Age: 45-54
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    6 months ago
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    Les
    Kansas, USA
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    Answer: 
    Thank you for your question on the model CWT45 cold weather thermostat. The CWT45 does not use a power source. It is a bi-metal disc that will allow the fan to operate at temperatures above 60 degrees Fahrenheit.
    6 months ago
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