I would recommend reaching out to Google Nest support. They will send
you a complete replacement including a new doorbell even though you need
a new puck.The puck is needed to stabilize the voltage. A normal
doorbell uses closed loop circuit. The puc...
So just to confirm it is okay not to have the puck, according to the
installation video it was important to keep it on. Google support has me
buying a replacement Nest wire 2nd Gen to get a new puck. I also had a
professional installation from Ontech...