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Schier GB-250-250HF Installation Manual

250 gpm grease interceptor for indoor/outdoor installation
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INSTALLATION GUIDE
GB-250-250HF
Contents
Special Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Getting to Know the GB-250-250HF . . . . . . . . . . . . . . . . . . . . . . . . 4
Buried Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
On the Floor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-13
Installation Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
250 GPM Grease Interceptor for
Indoor/Outdoor Installation
© Copyright 2020 Schier, 03/31/2020

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Summary of Contents for Schier GB-250-250HF

  • Page 1: Table Of Contents

    Special Precautions .........2 Getting to Know the GB-250-250HF ......4 Buried Installation .

  • Page 2: Special Precautions

    SPECIAL PRECAUTIONS For Schier Grease Interceptor Installations - Failure to follow this guidance voids your warranty DO NOT AIR TEST UNIT OR RISER SYSTEM! Do not install this unit in any manner Doing so may result in property damage, personal injury or death.
  • Page 3 SPECIAL PRECAUTIONS For Schier Grease Interceptor Installations - Failure to follow this guidance voids your warranty High Water Table Installations Fully Support Base of Unit Install unit on solid, level surface in contact with the entire footprint of unit base...

  • Page 4: Getting To Know The Gb-250-250Hf

    GETTING TO KNOW THE GB-250-250HF Pickable Cast Iron Cover (standard) 9. Inlet Diffuser Foot Retaining Nut 17. Air Relief/Visual Access 2. Cover Gasket 10. Inlet Diffuser (Foot) 18. Outlet Diffuser Retaining Nut 3. Safety Star (x2) 11. Bulkhead Connection Retaining Nut 19.

  • Page 5: Buried Installation

    Inspect unit, connections and gaskets for leaks. Check water level at specific time intervals per local code. Have a Leak? Call customer care at 913-951-3300 Hours 8am-5pm CST, M-F GB-250-250HF Installation Guide page 5 of 14...
  • Page 6 Cap all unused connection points with 4" cleanout plugs using pipe thread sealant or tape approved for use with plastics. Straight-through GB-250-250HF Installation Guide page 6 of 14...
  • Page 7 Inlet grooved side of plate PVC primer/cement. Bulkhead must face the unit. Fitting GB-250-250HF Installation Guide page 7 of 14...
  • Page 8 Wet or Air Test Piping Per Local Code Have a Leak? Call customer DO NOT AIR TEST UNIT OR RISER SYSTEM! care at 913-951-3300 Doing so may result in property damage, personal injury or death. Hours 8am-5pm CST, M-F GB-250-250HF Installation Guide page 8 of 14...
  • Page 9 BURIED INSTALLATION Bring Covers Flush-to-Grade The GB-250-250HF is ready for burial depth of 44" from finished grade to bottom of tank (or 13-1/2" to centerline of inlet). Deeper burials will require extending the Cover Adapters and possibly adding risers. Measure dimension X to determine riser height needed.

  • Page 10: On The Floor Installation

    Inspect unit, connections and gaskets for leaks. Check water level at specific time intervals per local code. Have a Leak? Call customer care at 913-951-3300 Hours 8am-5pm CST, M-F GB-250-250HF Installation Guide page 10 of 14...
  • Page 11 Cap all unused connection points with 4" cleanout plugs using pipe thread sealant or tape approved for use with plastics. Straight-through GB-250-250HF Installation Guide page 11 of 14...
  • Page 12 Inlet grooved side of plate PVC primer/cement. Bulkhead must face the unit. Fitting GB-250-250HF Installation Guide page 12 of 14...
  • Page 13 Wet or Air Test Piping Per Local Code Have a Leak? Call customer DO NOT AIR TEST UNIT OR RISER SYSTEM! care at 913-951-3300 Doing so may result in property damage, personal injury or death. Hours 8am-5pm CST, M-F GB-250-250HF Installation Guide page 13 of 14...

  • Page 14: Installation Options

    (including but not limited to tidal max water table height for direct burial surge areas, floodplains and areas that receive storm water) the GB-250-250HF must be installed with Schier model AK1 anchor kit. Interceptor Interceptor...