Section 410.350 - Plumbing Connections(A) Every required kitchen sink, wash basin and shower or bathtub shall be connected to the hot and cold water lines of the water distribution system (See105 CMR 410.180) and to a sanitary drainage system (See105 CMR 410.300) in accordance with accepted plumbing standards.(B) Every provided toilet shall be connected to the water distribution system (See 105 CMR 410.180) and to a sanitary drainage system (See105 CMR 410.300) in accordance with accepted plumbing standards.