Use and Care Manual

■ Injection molded.
Exceptionally
strong.
■ HDPE is non-
corrosive
in a septic
environment.
■ Patented snap-in
pipe seals
simplify
installation.
Interlocking Lid. Heavy-duty
HDPE Lid is ribbed for added
strength and rigidity. Slotted
sides interlock on the
Distribution Box to assure a
tight fit.
The 4HD2 Distribution Box
comes complete with a
Regular Lid or an Inspection
Port Lid, and 5 snap-in
fittings of your choice.
Model B1 Riser. For series
B1 Box. Stackable HDPE
Risers extend to grade in 6”
increments. Accept 11” x 11”
lids and grates.
11”
S-35
S-40
P-10
11”
11”
11”
11”
15
1
/
2
”
2” Drop
INSTALLATION IS
JUST THIS SIMPLE
1.Position the Distribution Box
on level virgin soil.
Do not place box on a
concrete slab.
2.Install the inlet pipe and
outlet pipes. Be sure the
bottoms of all pipes rest on
virgin soil.
3.Level the Distribution Box
and all pipes as needed.
4.Backfill the pipes to within
two feet of the Distribution
Box. Recheck the level of the
box, then backfill up to the
top lid ridge.
5.Install and adjust Tuf-Tite
Speed Levelers.
6.Place lid on the Distribution
Box and finish backfilling.
Choice of Fittings
S-35 Pipe Seal, for:
■ Sewer and Drain
■ SDR 35 ■ ASTM 3034
■ Thin Wall ■ 1500 Lb. Crush
S-40 Pipe Seal, for:
■ Schedule 40
■ 4” Corrugated
P-10 Plug, for unused holes
Choice of Lids
Regular Lid. Molded of rugged
HDPE.
Inspection Port Lid. For easy
access and inspection. Models
available to accept either 4” or
6” extension pipes.
Tuf-Tite Speed Levelers™
Control the flow of effluent from
the Distribution Box. Simply
insert a Speed Leveler into each
outlet pipe. Rotate each Speed
Leveler so the flow is distributed
as desired. Available for 3” or 4”
PVC pipe.
©1999 Tuf-Tite® Corporation
Form 4HD2-3. Printed in USA
A full line of
innovations for
better septic
systems
11”
6”
7”
14”
Drainage and Septic Products
Tuf-Tite
®
Corporation
1200 Flex Court
Lake Zurich, Illinois 60047
4-Hole Distribution Box 4HD2
4-Hole Dist Cat Sheet 11/8/01 8:09 AM Page 2