![I recently changed my honeywell thermostat to nest, plugged all the wires and left the black out as it was in blank slot in honeywell. Now nest is throwing hot air, what I recently changed my honeywell thermostat to nest, plugged all the wires and left the black out as it was in blank slot in honeywell. Now nest is throwing hot air, what](https://i.redd.it/x1doegf2bfh71.jpg)
I recently changed my honeywell thermostat to nest, plugged all the wires and left the black out as it was in blank slot in honeywell. Now nest is throwing hot air, what
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Amazon.com: Syston 18/2 Thermostat Doorbell HAVC Heating Control Cable Wire, 18 AWG 2 Conductors100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated, UV Resistant RoHS for Low Voltage Applications Use : Tools & Home Improvement
![Installing new 2-wire (Single Pole) Thermostats - how to install when there are 3 wires in wall? - Home Improvement Stack Exchange Installing new 2-wire (Single Pole) Thermostats - how to install when there are 3 wires in wall? - Home Improvement Stack Exchange](https://i.stack.imgur.com/JmTci.jpg)