"Stormin Mormon" wrote in message
...
I was thinking to call my HVAC parts house. Didn't think of
that -- maybe my locksmith parts house can get detectors for
alarm systems. Interesting idea.


Check Goldcrest Electronics, corner (sorta) of Goodman & Clinton:

http://www.goldcrestelectronics.com/

I've called them about various things over the past 2-3 years and they never
answer their phone or return calls. So, I go over there and they always have
what I'm looking for.