• Connects to 32mm and 40mm threaded waste outlets and 1 1/2" BSP thread
• Outlet provided with a universal compression connection designed for use with UPVC pipe to AS1260
• Actively maintains a pressure equilibrium in soil and waste installations

Stop unpleasant odours escaping into your living space with the HepVo Waste Non-Return Valve 32mm. The hygienic self sealing waste valve is made for closing your waste connection below a sanitary appliance. It aims to reduce negative pressure within the waste system as it opens and brings in fresh air until a pressure equilibrium is reached

• Dimensions: 32mm: BVI/A
• Dimensions: 40mm: CVI/A
• Prevents escape of unpleasant sewer air from waste discharge
• Install vertically or horizontally
• Silent operation
• No water seal so no evaporation or siphonage of trap
• Compact design for installation in confined areas
• Manufactured in the UK