Protect your Salamander shower pump with this anti-aeration flange. It limits the amount of air entering the pump from the hot water cylinder by drawing water from deeper within the cylinder – this prevents air bubbles from getting in, ensuring better performance and a longer life for your pump.\nAll pumps within Salamander’s RP range require a flange, but it’s recommended to install a flange on the hot water cylinder to all their gravity-fed pumps for added protection from cavitation.\n\n• Anti-aeration flange – protects pump from damage caused by air\n• Limits amount of air entering a pump from the hot water cylinder\n• Can be connected to a 28mm or 22mm open vent pipe\n• Supplied with male and female adaptors