ON THE FLOOR INSTALLATION
Page 6 of 10
GB1-CT Installation Guide
3
Calibrate Flow Control
Note to Plumbing Inspector
This
interceptor includes certified internal flow
control and does not require a dedicated
“Flow Control Vent” (air intake).
3c1
3c2
Slide flow control cartridge into top of inlet diffuser and rotate
clockwise until cartridge drops onto flow control retainer pins.
Continue rotating clockwise until pins are fully seated.
flow control
retainer pin
cartridge
receiver slot
3a1
3a2
Rotate flow control cartidge counter-clockwise
to release and remove from inlet diffuser
Figure 1
OR
OR
OR
A
A
• If dimension is 5 feet or less
go to Step 4
.
• If dimension is greater than 5
feet
follow Steps below
.
3b
Attach the 15 GPM Flow Control
Cartridge Extension using PVC
primer/cement.
Make sure
extension is fully inserted into
the cartridge and hold both
components firmly together
(until cement grabs) to
prevent push-out.
15 GPM