Upgrade kit for 22.5" Big dipper

Fits Big Dipper 8000, 21000, 14000, and 40000 IS units 22.5” in length.

Big Dipper Upgrade Kits provide odor protecting technology* to aging Big Dipper Units! Increased odor protection over previous series Big Dippers, may reduce foul odors caused by grease in your kitchen. The Big Dipper Upgrade kit includes a brand new 51000 Complete Lid Assembly, a new high performing foam gasket, new grease collector, and 2 new stainless-steel lids. Includes 3-year warranty on new Complete Lid Assembly^. For the most advanced odor protection, please purchase a new Big Dipper with Advanced Odor Protection!

Upgrade kits are easy to install (no professional installation required). Installation videos and instructions can be found here or on the videos section of this page. See below to determine the size you need to order. 

*ODOR PROTECTION PREVENTS ODORS FROM ESCAPING THROUGH THE LID OF THE BIG DIPPER BUT DOES NOT PREVENT ODORS RELATED TO THE REST OF THE PLUMBING SYSTEM INCLUDING BUT NOT LIMITED TO: OPEN FLOOR DRAINS, AIR GAPS, EXTERNAL SOLIDS STRAINING DEVICES, IMPROPER VENTING, AND ODORS GENERATED ELSEWHERE IN THE PLUMBING SYSTEM.

^WARRANTY IS ON ELECTRICAL COMPONENTS ONLY. PLEASE SEE THE WARRANTY SECTION OF THE OPERATION INSTRUCTIONS FOR FULL DETAILS.