Before revision: The Institute's objective is to promote the advancement of Engineered Plumbing Products through research and standardization of product requirements; to prepare, edit, and publish standards relating to plumbing products; and to provide certified testing, rating, and installation procedures for grease interceptors and water hammer arresters, in Standards PDI-G101 and PDI-WH201, respectively.
After revision: PurposeThe Institute's objective is to promote the advancement of Engineered Plumbing Products through research and standardization of product requirements; to prepare, edit, and publish standards relating to plumbing products; and to provide certified testing, rating, and installation procedures for grease interceptors and water hammer arresters, in Standards PDI-G101 and PDI-WH201, respectively.