Chlorinated polyvinyl chloride SDR11 pipe and fittings may hereafter be used in the above-concrete installation of potable hot and cold water distribution systems in residential structures containing no more than four (4) living units.
Chlorinated polyvinyl chloride SDR11 pipe and fittings may hereafter be used in the above-concrete installation of potable hot and cold water distribution systems in residential structures containing no more than four (4) living units.