§ 29.04.120. Section 401.1 amended.

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Section 401.1 of the Guidelines for Solar Energy Installations, 1984 Edition, is hereby amended to read as follows:
"Approved Materials. Piping materials shall conform to Appendix A and the manufacturer's recommendations for their intended use. All collector-loop piping and all piping within three (3) feet of the heat-exchanger assembly and/or within three (3) feet of the thermal storage shall be copper in medium-temperature and high-temperature systems. For medium-temperature systems, a minimum of Type M copper shall be used. For high-temperature systems a minimum of Type L copper shall be used."

(Ord. No. 39-287 (part))

                    
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