Double bowl connectors. (DBC) . These connect 2 bowls of a sink. If the bowls are different depth, cap & linings are required to make both outlets level. 'S' or 'p' traps are required under the DBC. The range of DBC include 300, 400 and 600mm long. Installer will cut-off any length that is not required. The diameter is only available in 50mm.
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By law, only a Licensed Plumber can install traps and DWV fittings as they are part of the sewer system.
