Section 31-38a-8 - Fixtures(a) Every water closet installed after February 7, 1961, shall have a rim flush bowl made of vitreous china or of other approved material. Every such bowl shall be set entirely free and open from all enclosing woodwork, and shall be so installed that the space behind and below may be easily cleaned.(b) Every water closet installed after said date shall have the seat made of nonheat-absorbing material, which shall be impervious to moisture.(c) All fixtures together with sewer, soil and waste pipes shall be trapped and vented in an approved manner.Conn. Agencies Regs. § 31-38a-8