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INSTALLATION GUIDE
Model #GB3 50/75 GPM Grease Interceptor
For Indoor Use
Contents
Special Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Getting to Know the GB3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
On the Floor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Buried Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Installation Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Part #: 057-1270-04
Find these instructions online at: schierproducts.com/pages/gb3
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Summary of Contents for Schier GB3
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Page 1: Table Of Contents
Getting to Know the GB3 ........ -
Page 2: Special Precautions
SPECIAL PRECAUTIONS For All Schier Grease Interceptor Installations - Failure to follow this guidance voids your warranty Installation Instructions High Temperature Kitchen Water installation instructions Installation instructions and additional If water is entering the interceptor at excessive temperature (over 140º F), a... -
Page 3: Getting To Know The Gb3
GETTING TO KNOW THE GB3 Cover 11. 4" Plain End Fitting 2. Air Relief/Visual Access 12. Inlet 4" FPT Connection 3. Inlet Diffuser (Top) 13. Saddle Adapter Retaining Nut 4. 4" Cleanout Plug 14. Saddle Adapter 5. Optional Side Outlet 4" FPT 15. -
Page 4: On The Floor Installation
Reattach pipe thread sealant or tape foot and set Seat diffuser firmly approved for use with plastics. screws. into saddle. Straight-through Page 4 of 10 GB3 Installation Guide... - Page 5 Seat inlet diffuser firmly into desired, snap-in the "50 GPM" or flow control plate opening is down saddle adapter. "75 GPM" white flow control plate as shown. as shown on inlet saddle adapter. Page 5 of 10 GB3 Installation Guide...
- Page 6 Wet or Air Test Piping Per Local Code Leak? Call customer care at DO NOT AIR TEST UNIT OR RISER SYSTEM! 913-951-3300 Doing so may result in property damage, personal injury or death. 8a – 5p M – F CST Page 6 of 10 GB3 Installation Guide...
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Page 7: Buried Installation
Reattach pipe thread sealant or tape foot and set Seat diffuser firmly approved for use with plastics. screws. into saddle. Straight-through Page 7 of 10 GB3 Installation Guide... - Page 8 Seat inlet diffuser firmly into desired, snap-in the "50 GPM" or flow control plate opening is down saddle adapter. "75 GPM" white flow control plate as shown. as shown on inlet saddle adapter. Page 8 of 10 GB3 Installation Guide...
- Page 9 (approximately 3/4" size rock or sand, areas without the use of an internal support system (sold with no fines), finish with a minimum 4" thick concrete pad. additionally). Contact Customer Care for more details. Vent per local code. Page 9 of 10 GB3 Installation Guide...
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Page 10: Installation Options
NOTE: Modifying the inlet diffuser to an open-top style eliminates the sewer gas seal and should only be performed if sewer gas is trapped upstream of the unit. Cut Line Remove inlet diffuser. Cut open the inlet diffuser top. Seat inlet diffuser firmly into saddle adapter Page 10 of 10 GB3 Installation Guide...