The Austworld Hose Tap Vacuum Breaker Lead Free is designed to protect potable water systems from backflow and contamination at hose tap outets. Manufactured from DR lead free brass, with durable components including EPDM seals, stainless steel spring and a copper valve. Maximum pressure rating of 1400 kPa and an operating temerature range of 1ºC to 75ºC. Suitable for wide range of domestic and commercial water systems.