This appars to be a nonvented heater. If so, I trust aWe live in a mobile home and where we are we get a lot of severe storms, and we occasionally get ice storms and lose power. I installed a wall heater as a backup so we would have heat if we lost power. I’m a retired house painter and have minimal plumbing and electrical experience .View attachment 43698
Carbon monoxide monitor is part of your new installation.