Oatey® FlowGuard Gold® All Weather CPVC Cement with UV Indicator is recommended for cold water systems and hot water systems up to 200°F / 93°C. Its UV indicator allows for quick and easy inspection of dry fit joints using any ultraviolet light source. Its medium body has excellent gap filling properties and is easy to apply with included in-lid dauber. This yellow, low VOC, fast set cement can be used to solvent weld copper tube sizes (CTS) CPVC hot and cold potable water pipes and fittings up to 2 in. diameter with interference fit. Oatey products have earned the trust of plumbing professionals for over 100 years.