All installations must conform to local codes.
CONNECTION DETAILS ALL INSTALLATIONS -
DRAIN OPTIONS
OR
O Use only 45° elbows or sweeping (sanitary) 90°
elbows to make turns in main line.
O If piping is diverted to clear an obstruction,
DO NOT MAKE A TRAP.
MAKING
TURNS
45° Elbow
45° Elbow
CLEARING AN
OBSTRUCTION
MAIN LINE
SUB FLOOR INSTALLATION - The sub-floor plumbing layout shown below is the recommended layout for
VacStar system installations and should be used whenever possible.
OVERHEAD INSTALLATION - The overhead plumbing layout shown below is the alternate layout for VacStar
system installations and should be used only when unable to use the sub-floor plumbing layout.
PLUMBING INSTALLATION
Indirect connection
(Air gap) with a p-trap.
OPEN DRAIN
PIPE
1-1/2 Inch
P-Trap
CLOSED VENTED DRAIN
Direct connection to vented
drain. No traps before vent.
6”
Notes:
1. See Optional Drain Connections shown
below.
2. 8-Foot Maximum Height from Main
Line to pump.
3. Consult Dental Unit Manufacturer's
Guidelines for correct reduced size and
height of termination of vacuum line
inside junction box.
4. Limit branches. Orient main line under
junction box or cabinet.
5. When main line is 1-1/2" I.D. or larger,
use 45° Y's and elbows only.
6. Long radius 90° elbows can be used as
alternates to 45° elbows.
7. A total of 8 feet of 3/4 inch hose is
supplied with VacStar units. This hose
must be shared between inlet and drain.
MAIN LINE
See Plumbing Requirements for Main
Line Diameters needed for specific
units. See Notes 3, through 6.
1/2-Inch Diameter
Riser
Minumum Slope:
1/4 inch per 10 Feet
Floor Drain
See Note 1
Junction
Box
Riser - See Note 2
RISER to MAIN LINE DETAIL
45°Elbow
45°Y
To
Pump
Main Line
From
Dental Unit
1/2 Inch Riser
Ceiling
Interior Wall
Note: Consult Dental Unit Manufacturer's Guidelines for
correct reduced size and height of termination of
vacuum line inside junction box.
Note: See Optional Drain
Connections
MAIN LINE
See Plumbing Requirements for Main Line
Diameters needed for specific units.
Minumum Slope:
1/4 inch per 10 Feet
Ceiling
Floor
Drain
Junction
Box
Interior Wall
1/2-Inch Diameter Riser
10-Foot Maximum Height from
Riser Trap to Main Line
1/2-Inch
Riser
To Main
Line
Dental
Unit
1/2-Inch
RISER TRAP DETAIL
(Using 45° Elbows)
1/2 Inch Riser
RISER to MAIN LINE DETAIL
45°Elbow
45°Elbow
45°Y
1/2 Inch
Diameter
To
STS Pump
1" Min
Main Line
In-Line Muffler
from Exhaust
Drain Connector
to Facility Drain
Connector
In-Line Muffler
from Exhaust
Drain Connector
to Facility
Drain
Connector