https://www.googlenestcommunity.com/t5/Nest-Thermostats/Compatibility-Checker-said-it-would-work/m-p/709163#M133896 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/708509">@jjmarsha</a>&nbsp;</P> <P>Yes, it will work.</P> <P>Try this wiring</P> <P>Yellow - Y to Y1</P> <P>Green - G to G</P> <P>Blue - C to C</P> <P>Red - R to Rc</P> <P>White - W to W1</P> Tue, 01 Apr 2025 22:57:36 GMT Patrick_Caezza 2025-04-01T22:57:36Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Compatibility-Checker-said-it-would-work/m-p/709135#M133890 <P>Hi,</P><P>I checked the compatibility checker and according to the wiring it should work. In terms of voltage it wouldn't. However, the previous thermostat I had installed was also a 24v thermostat and was working without issues. Although it needed batteries it seems.&nbsp;</P><P>Base off of this, would the nest thermostat 4th gen work for me? I have pictures attached in this link&nbsp;<A href="https://imgur.com/a/A1cINBL" target="_blank">https://imgur.com/a/A1cINBL</A></P><P>&nbsp;</P> Tue, 01 Apr 2025 19:55:55 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Compatibility-Checker-said-it-would-work/m-p/709135#M133890 jjmarsha 2025-04-01T19:55:55Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Compatibility-Checker-said-it-would-work/m-p/709163#M133896 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/708509">@jjmarsha</a>&nbsp;</P> <P>Yes, it will work.</P> <P>Try this wiring</P> <P>Yellow - Y to Y1</P> <P>Green - G to G</P> <P>Blue - C to C</P> <P>Red - R to Rc</P> <P>White - W to W1</P> Tue, 01 Apr 2025 22:57:36 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Compatibility-Checker-said-it-would-work/m-p/709163#M133896 Patrick_Caezza 2025-04-01T22:57:36Z