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Honeywell Ademco 4229 Zone Expander with Relays


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Honeywell Ademco 4229 Zone Expander with Relays

The 4229 is an expander module that allows you to add 2, form C, programmable relays, as well as 8 hardwired zones.  

IMPORTANT: This product does not come with 2k resistors.

4229 Installation manual
Old 4229 Installation manual
4229 Data sheet


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  • Hello - I spoke to support about my 4229 expander dying because of a lightning strike. Can I replace the 4229 with 4219 since I am not using the relays? Other than the dipswitches, any programming changes need to be made to the panel if I am able to get the 4219? Thanks, Jim 847-421-6867

    Yes if you do not need relays the 4219 expander will be all you need. The 4219 enrolls the same as the 4229.