Hello & Welcome to Just Answer,
I'm Greg and will do my best to assist you today.
Sorry I didn't see your question earlier and to hear of any issue you are having with your components or trying to locate replacements.
As you may know, X10 components have changed quite a bit of the last few years, and those particular components are no long available through the X10 store directly. BUT, you MAY be able to find "new old stock" or "like new" products online - at places like eBay, or my favorite place - Amazon.
I did a couple of searches and did find those two items listed on Amazon, and have the links to those listings below.
X10 DS10A Search Results
X10 KR10A Search Results
I hope this helps, Please let me know what you find or if you have any more questions.
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Thanks, ***** *****