Shouldn't use more batts than every 2 years but you will need to remove all programming for the wireless side if you have removed it. I'm assuming this isn't under any sort if support contract
yes im getting ready for the redundancy, we do loss covering when its likely to come back, going into December im gonna have convert my garden and brick a few windows up, this is an old policy right...
kits are generic and usually put together. Few pro installers would use a kit they should pick the right detectors etc for the application. Now your seeing why kits are far from ideal as there has to be a compromise somewhere
also pstn is being switched off by 2025 so best not install something that can only use it