Trade mark number: 
At the time of filing, this trade mark was owned by the PLUMBING AND DRAINAGE INSTITUTE which is comprised of a group of member companies, each of which is engaged in the manufacture of products for the plumbing industry. The basic aim of PDI is to contribute its combined talents and resources to the further advancement of plumbing engineering and the plumbing industry.

The rules governing the use of this registration certify the quality standards of grease interceptors with FOG sensing and alarm devices and hammer arrestors

    Certification rules: 
    1723245.pdf PDF in PDF format [182.93 KB]