![Nest Learning V2: Had a new AC unit installed, not a new air handler. Nest is flashing back and forth losing the y1 wire saying my system is not supported. : r/Nest Nest Learning V2: Had a new AC unit installed, not a new air handler. Nest is flashing back and forth losing the y1 wire saying my system is not supported. : r/Nest](https://preview.redd.it/ah6bksciq4y81.jpg?width=640&crop=smart&auto=webp&s=da251d913fa0cff88d3ca7d605bbaa4803fdd57c)
Nest Learning V2: Had a new AC unit installed, not a new air handler. Nest is flashing back and forth losing the y1 wire saying my system is not supported. : r/Nest
SOLVED: Source for replacement battery for the Nest Thermostat v2.0 - Nest Learning Thermostat 2nd Generation - iFixit
![Google Nest Learning Thermostat - Smart Wi-Fi Thermostat - Stainless Steel | Nebraska Furniture Mart Google Nest Learning Thermostat - Smart Wi-Fi Thermostat - Stainless Steel | Nebraska Furniture Mart](https://www.nfm.com/dw/image/v2/BDFM_PRD/on/demandware.static/-/Sites-nfm-master-catalog/default/dw0337b200/images/043/92/43929769-1.jpg?sw=1000&sh=1000&sm=fit)
Google Nest Learning Thermostat - Smart Wi-Fi Thermostat - Stainless Steel | Nebraska Furniture Mart
![Google Nest Hub with Google Assistant - Charcoal (2nd Generation) + Nest Learning Thermostat - 3rd Generation in Nickel | Nebraska Furniture Mart Google Nest Hub with Google Assistant - Charcoal (2nd Generation) + Nest Learning Thermostat - 3rd Generation in Nickel | Nebraska Furniture Mart](https://www.nfm.com/dw/image/v2/BDFM_PRD/on/demandware.static/-/Sites-nfm-master-catalog/default/dw7f23fd04/images/062/00/62003348-6.jpg?sw=1000&sh=1000&sm=fit)