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It doesn't require any new thermostat wiring. And with simple instructions, you can even install it yourself. Costs less than a new C wire: nest power connector is an affordable C-wire substitute that's designed to be compatible with nest thermostats - and costs much less than hiring an electrician to install a new C wire through your walls.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.