Installing the Switch Cover on a Pressure Switch Installing the rubber switch cover (or switch boot) over a Presair adjustable vaccum or pressure switch can be a pesky task. Although the switch cover adds much needed protection, it can be…

Installing the Switch Cover on a Pressure Switch Installing the rubber switch cover (or switch boot) over a Presair adjustable vaccum or pressure switch can be a pesky task. Although the switch cover adds much needed protection, it can be…