The AVG Pressure & Temperature Relief Valve is a safety valve designed to protect storage hot water systems from dangerous pressure and temperature build up during the heating cycle. Features include; a forged DR brass body, a stainless steel lever for manual testing and a high temperature seal. Colour coded to quickly identify the correct pressure rating (1400 kPa). Watermark certified WMKA2639 to AS 1357.1 and AS 1357.2.