BURIED INSTALLATION
Page 9 of 9
GB2 Installation Guide
Set interceptor and connect piping using pipe thread sealant or tape
approved for use with plastics, fill tank with water so that it remains in
place during backfill.
Choose inlet and outlet fittings
(included) based on pipe size.
4c
Excavate hole 6" larger than interceptor on all sides.
Add crushed aggregate (approximately 3/4" size rock or sand,
with no fines) to base of hole.
4a
4b
6" or more
6"
6"
6"
6a1
Backfill evenly around tank using crushed aggregate
(approximately 3/4" size rock or sand, with no fines), finish
with a minimum 4" thick concrete pad. Vent per local code.
4" min.
concrete pad
Backfill
450 lb.
max load
6a2
See instructions included with FCR1 riser.
4" min.
concrete pad
Backfill
1,000 lb.
max load
Tile
Floor Sink Installation
Fernco or similar
rubber flow
restriction end cap
Interceptor
Interceptor
Interceptor
If your dishwashing sink(s) discharges into a floor drain/sink
(drain), you must regulate the flow into the drain to avoid an
overflow of water onto the kitchen floor. This can be done by
installing a valve or flow restriction cap on the sink piping that
discharges into the drain.
4
Connect Piping
6
Backfill and Finished Grade
5
Wet or Air Test Piping Per Local Code
4c1
3" FPT
4" FPT
4" FPT
4" FPT
OR
OR
OR
Doing so may result in property damage, personal injury or death.
DO NOT AIR TEST UNIT OR RISER SYSTEM!
1
Leak?
Call customer care at
913-951-3300
8a – 5p M – F CST
