You can see the instructions for this connection using this instruction link
The Amazon Echo Show 15 and GE In-Wall 1000W Smart Dimmer (Z-Wave Plus) can communicate with each other using a bridge. This bridge is necessary because there is no shared connection between the two devices.
With the GE C-Reach Smart Bridge, The GE In-Wall 1000W Smart Dimmer (Z-Wave Plus)'s Wi-Fi can connect to the bridge, and the bridge can connect to the Z-Wave connection of the GE In-Wall 1000W Smart Dimmer (Z-Wave Plus). The GE C-Reach Smart Bridge also has Amazon Alexa compatibility, ensuring the connection can be made.
Another compatiblity is to use the connections between the third party Samsung SmartThings Hub 3rd Generation with the GE In-Wall 1000W Smart Dimmer (Z-Wave Plus). This method can use the bridge to connect to the Z-Wave connection of the GE In-Wall 1000W Smart Dimmer (Z-Wave Plus). The Samsung SmartThings Hub 3rd Generation also has Amazon Alexa compatibility, allowing all of the devices to communicate to each other.
Interface Compatibility
 Amazon Echo Show 15 |
 GE C-Reach Smart Bridge * Bridge required |
 GE In-Wall 1000W Smart Dimmer (Z-Wave Plus) |
|
|---|---|---|---|
| Amazon Alexa | Yes | Yes | Yes |
| Apple HomeKit | No | Yes | Yes |
| Google Assistant | No | Yes | Yes |
Connection Compatibility
|
Amazon Echo Show 15 |
GE C-Reach Smart Bridge * Bridge required |
GE In-Wall 1000W Smart Dimmer (Z-Wave Plus) |
|
|---|---|---|---|
| Amazon Sidewalk | No | No | No |
| Bluetooth | Yes | Yes | No |
| Clear Connect | No | No | No |
| Thread | No | No | No |
| Wi-Fi | Yes | Yes | No |
| Z-Wave | No | No | Yes |
| Zigbee | No | No | No |