“will it work perfectly in terms of remote access without a common wire?”

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• yes it will i installed mine to a 2 wire only heat system works fine

  Answered by inkspot1967 7 years ago

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• Most HVAC systems can use the Nest E and Nest Learning Thermostat without the need for a common wire. You can use this link below to check for compatibility. https://nest.com/support/article/How-to-tell-if-your-heating-and-cooling-system-will-work-with-the-Nest-Thermostat

  Answered by Nest Support 7 years ago

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