A custom Nest thermostat version has finally launched in the U.K., The Verge reports, as the Google-owned company has modified the U.S. model to suit the requirements of the local market. Nest has added a new Heat Link component that connects the thermostat to a boiler via a wired or wireless connection. Apparently this particular component delayed the official launch of Nest in the region, although the thermostat has been unofficially available in as many as 120 countries on top of the U.S. and Canada, the only countries where it was released so far. In addition to hardware changes, the Nest’s software has also been updated, the publication reports. In the U.K., Nest will know it has “to switch off