This drain testing plug is designed for use with pipes featuring a 100mm (4 inch) internal nominal diameter, fitting internal pipe sizes from 94mm to 108mm. It features a robust steel construction and is fitted with a brass wingnut for secure adjustment on site.
Commonly used by plumbers and drainage specialists, the plug provides a simple method to temporarily seal off pipework during pressure testing or maintenance. Quick to fit and remove, it assists in identifying leaks or isolating pipe sections for repair work.
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