https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/599408#M117145 <P>Hi&nbsp;Andy66,&nbsp;</P> <P>&nbsp;</P> <P>Thanks for posting here in the Community forum and for showing interest in our Nest Thermostats. Are you located in North America or Europe? What is the make and model of your HVAC system and your current thermosat? Also, please share a photo of how are the thermostat wires connected to your HVAC control board so I can take a closer look.&nbsp;</P> <P>&nbsp;</P> <P>Keep us posted.</P> <P>&nbsp;</P> <P>Best,</P> <P>Zoe</P> Fri, 23 Feb 2024 17:31:59 GMT zoeuvre 2024-02-23T17:31:59Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/598178#M116974 <P>When I wanted to replace my old thermostat with a nest learning thermostat, there are two wires from the wall connected to my old honeywell thermostat on the W and B terminals. There is a jumper from R to RC. How should I connect these two wires to the new nest thermostat? W to W1 but B to ?</P> Tue, 20 Feb 2024 10:02:39 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/598178#M116974 Andy66 2024-02-20T10:02:39Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/598183#M116976 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_8347.jpeg" style="width: 4032px;"><img src="https://www.googlenestcommunity.com/t5/image/serverpage/image-id/51517iCEF4E4A2B5BC519B/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="IMG_8347.jpeg" alt="IMG_8347.jpeg" /></span></P><P>Attached is the wires connected&nbsp;</P> Tue, 20 Feb 2024 11:03:03 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/598183#M116976 Andy66 2024-02-20T11:03:03Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/599408#M117145 <P>Hi&nbsp;Andy66,&nbsp;</P> <P>&nbsp;</P> <P>Thanks for posting here in the Community forum and for showing interest in our Nest Thermostats. Are you located in North America or Europe? What is the make and model of your HVAC system and your current thermosat? Also, please share a photo of how are the thermostat wires connected to your HVAC control board so I can take a closer look.&nbsp;</P> <P>&nbsp;</P> <P>Keep us posted.</P> <P>&nbsp;</P> <P>Best,</P> <P>Zoe</P> Fri, 23 Feb 2024 17:31:59 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Only-two-wires-from-wall-to-W-and-B-terminal/m-p/599408#M117145 zoeuvre 2024-02-23T17:31:59Z