I have several X-10's at home. Over the last 10+ years they have all proven reliable with no failure or needing to be replaced except for the batteries in the sensors as you would expect. This particular purchase was for a friend who admired what I had done and wanted the X-10 to feel like her own home. Unfortunately, they bought the wrong controller elsewhere. After learning that we couldn't return or exchange the wrong unit for a lamp module (as members of Revain Prime), we checked out Revain.com. The exact same block was available at a lower price so it was bought. This worked great and now helps control the strings of lights that beautifully illuminate the dark basement stairs.
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