Ive included a diagram to help clarify. I replaced the two 3 way switches with the tp link hs 210 switches.

Tp Link Smart Wi Fi Light Switch With 3 Way Kit Hs210 Kit The Home Depot
Kasa hs210 wiring diagram. Hs kit the kit includes 2 smart switches specially designed for 3 way switch wiring. Voice control with any alexa or google assistant you can use simple voice commands to control your hallway or living room lights that are connected to kasa smarts 3 way switch. Hs kit switch pdf manual download. All qa of functional explanation or specification parametersus troubleshootingus configuration guideus user application requirementus. 22082018 22082018 7 comments on hs210 wiring diagram. In this video well explain how to set up a kasa hs210 kit smart wi fi light switch 3 way kit.
I left the center 4 way switch as it was. Your home may still be compatible with hs210. The 4 way switch solely has 2 traveler wires coming into it and 2 travelers going out of it. Smart wi fi light switch 3 way kit. If your wiring includes brown orange purple light blue grey or yellow wires the kasa app will prevent you from completing setup. The free kasa app provides step by step instructions for wiring.
However you should contact a licensed electrician for assistance. No need to understand complex wiring just follow the step by step wiring process in the kasa smart app for a guided installation of your 3 way light switch. View and download tp link hs kit user manual online. Your kasa smart wi fi light switch dimmer comes with labels a faceplate and the necessary hardware for your convenience. No need to understand complex wiring just follow the step by step wiring process in the kasa smart app for a guided installation. When wiring a 4 way light you have to use two 3 way switches hs 210 kit and one 4 way switch.