If your phone can’t scan the QR code, you can manually type in the
serial number.Tap Continue without scanning at the bottom of the QR code
scanning screen. Then type in your product’s entry key or serial
number.You can tap Find the code or Show me h...
Depending on your area, there may be a manufactured date sticker on the
outside, although, if you are purchasing from a questionable reseller, I
would not trust that.The unit will have an expiration date printed on
the back and you will also be able ...
Regardless of the product, it is the consumers responsibility to ensure
that they meet the minimum code for their area. It may be the case that
existing installs will be grandfathered and the new codes only apply to
new builds, but I would recommend ...
You could do this but you will have to ensure the wires from your old
unit are capped and tucked away safely and that you are following any
relevant electrical codes for your area.