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Yes however if you only have a two wire system you will need to add a transformer to keep the internal battery charged
Sorry, there was a problem. Please try again later.As long as the current wires being used for your boiler are solid copper and providing 20-30V, the Nest would be expected to work. You can check this link for compatibility: https://nest.com/support/article/How-to-tell-if-your-heating-and-cooling-system-will-work-with-the-Nest-Thermostat
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