I purchased this pool door alarm (289-4,) along with a reentry button (084-3).
My house came pre-wired with magnetic door and window contacts (normally closed I believe.)
I do not have a home alarm installed at this time. My plan is to pickup the wires from the reed switches I want monitored by the pool door alarm and run them back to the pool alarm.
I think I am good up until this point.
Next, If I ever want to install a home alarm in the future, could I share those reed switches between the pool door alarm and the home alarm? I thought yes, but someone told me no recently. I figured the alarms are just checking for continuity. Can that not be done at the same time by two different alarm systems?