Who sells 12v CO detectors ( for alarm systems)?

My CO detector reached its end of life and needs to be replaced. Its a Sentrol 240-COe 12v with NO/NC/c wiring for my alarm system. http://www.techmall.com/GE-Security-Commercial-Grade-Carbon-Monoxide-Alarm-p/35159.htm Does any home center sell these or do I have to order online?
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On Mon, 10 Aug 2009 03:47:14 -0700 (PDT), Mikepier

Get the Nighthawk with digital readout and battery backup, at WalMart or HD. You may need to install an electrical outlet high on the wall. I use one in the utility room, kitchen and wall way. My smoke detectors are hard wired and work independently of the CO detectors.
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I understand I can buy a standalone unit, but the one I have now works off the 12V supplied by the alarm panel and plus it is linked to my alarm panel with the NO/NC contacts with a supervisory resistor.
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Mike rock wrote:

Try asking in comp.home.automation.
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Try Macurco, but all the ones I've used have been 24V. they might have a 12V version though.
nate
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N8N wrote:

I'm not at work anymore, so I had a chance to DAGS and expand on my answer...
a) looks like Macurco has been bought by 3M
b) looks like the CM-15a will work on 12/24V AC or DC and includes a Form C alarm relay and a NC trouble relay (so if you are using a panel that has a supervised alarm circuit it can correctly report a trouble condition with the detector)
http://selector.3m.com/selector/us/en/healthcare/occ_health_safety/gasdetect_p/TechSheets/shcm15a.pdf
HTH
nate
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Thanks for the input, but I might as well get the same CO sensor as before to cover the mounting holes and the hole where the wire comes through on my wallpapered wall.
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wrote:

You might find what you are looking for at a Recreational Vehicle dealership as RV's are usually 12 volt systems.
--
Ron


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RV dealers?
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RV's are mainly 12 volt systems and they are usually equipped with CO and Propane detectors as well as smoke alarms. The last RV dealership that I was in had all kinds of CO detectors.
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