house codes and unit codes

[HA Dave]

The other thought maybe turn off the CM15A for all codes and try a WGL V572A All House Code Tranceiver. Though it can be programed to do only some house codes.

Let us know if you can't find details or have questions.

Brian H is correct!
As much fun as X10 is... it is the most fun when it is completely reliable. As you set-up grows in size your you'll be happy that you did things right.. from the beginning. The forums are a wealth of knowledge and useful information. Reading (and searching) here can be very helpful. But also feel free to post any questions or concerns.