FlowGuard Gold CPVC CTS is for hot and cold water distribution. It is for pressure systems where temperatures will not exceed 180 deg F. It can withstand high pressure for long periods, does not rust or corrode, is easy to install (no primer required). FlowGuard Gold is also energy efficient, with better heat retention and lower hot water heating costs as compared to metallic systems. It is non-toxic and meets the most stringent standards in the industry. Charlotte Pipe products are manufactured in the USA.