Learn how to install a central vacuum system with outlets on four floors and hidden PVC piping.
Push a screwdriver through the wall of the second floor room at the intended location for a central vacuum outlet. Sight through the hole from the attic to check the hole alignment. Avoid electrical outlets and wiring in the wall as you work. For your safety, ensure that you have switched off the electrical circuits to the room before drilling or puncturing the walls.
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