HEPvO SANITARY WASTE VALVE
The 40mm HepVo waterless waste trap valve prevents backflow of air and water into showers and sinks. HepvO is a unique self-sealing waste valve that...
P-TRAP VS S-TRAP
The P-trap is now the standard since the S-trap was deemed ineffective and prohibited in new construction under the Universal Plumbing Code. The S-trap was...