The Plumbing and Drainage Institute is the premier source of information for plumbing and drainage products such as: floor drains, roof drains, sanitary floor drains, cleanouts, water hammer arresters, backwater valves, grease interceptors, fixture supports, and other drainage specialties with specific expertise in Hydro-Mechanical Grease Interceptors and Water Hammer Arresters.
Find information on membership, certification, industry links, seminars and more by visiting the PDI website here.
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