Centre Locking Drain / Sewer Leak Testing Plugs (Various Options)

Centre locking plugs are expanded from central locking wing nut for testing of drains and sewers. It is a regulation that all underground pipework is required to be leak tested prior to infill.

Available Options:
– 100mm (4in) with plastic cap
– 150mm (6in) with plastic cap
– 225mm (9in) with brass cap
– 300mm (12in) with brass cap
– 450mm (18in) with brass cap