Well as a follow up I thought i'd do an update.
Ended up using the Aico 140RC series alarms with 2 relay bases operating a strobe in the main living room and one in our bedroom.
The instructions for the Relay base are distinctly lacking and don't really explain how to wire them up properly.
The attached PDF explains how to wire it up.
Ended up using the Aico 140RC series alarms with 2 relay bases operating a strobe in the main living room and one in our bedroom.
The instructions for the Relay base are distinctly lacking and don't really explain how to wire them up properly.
The attached PDF explains how to wire it up.