compatibility with ESL 425 CST smoke detector


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Old 07-31-14, 06:25 AM
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compatibility with ESL 425 CST smoke detector

We have an alarm system with 10 ESL 425 CST smoke detectors. One gave a false alarm, and I had someone come look at it. He says since the system is over 10 yrs old (15 yrs), all detectors need to be replaced.

Is that the case? I would just like to replace the one, but he says it is no longer made, and there may be compatibility issues with replacing just one with a different model.

Which newer model ESL detector would work with my other 425 CST's?

Thank you.
 
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Old 07-31-14, 08:11 AM
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The current 2 wire ESL smokes are compatible with your existing ones. Unless you are using something like a reversing module or an interface module, in reality, _any_ 2-wire smoke is going to be compatible.
 
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Old 07-31-14, 08:44 AM
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I asked the installer. There is a reversing module
 
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Old 07-31-14, 05:29 PM
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You will want the ESL 449 CST, then: http://www.interlogix.com/resources/...0Detectors.pdf
 
 

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