The first piece you need to mount when installing Hide A Hose central vacuum in your home or business.  This is mounted in the wall as a backer for the valve in later parts of the install,  the first run of pipe is then glued to this piece.  See instructions.  

Valve Rough In Kit #HS5000R is required for HS5000 new construction or retro-fit installations (exception: installation with concrete wall kit).

The Hide A Hose 5000 Valve Rough In Kit #HS5000R includes:

• 1 rough in frame
• 1 rough in pipe fitting
• 1 reducer
• 1 mud cover
• 4 mud cover screws