LavaTap Universal Air Admittance Valve 32/40/50 mm - Internal Use Durgo Style Waste Pipe Vent for Push Fit and Solvent Weld Systems - 3-in-1 Plumbing Ventilation Valve

Universal 3-in-1 Sizing: Fits 32 mm, 40 mm and 50 mm waste pipes using the included detachable adaptor - one valve covers all common sizes to simplify installations and reduce stock requirements. Dual Connection Compatibility: Designed for both push fit and solvent weld systems, making it ideal for mixed material setups without additional adapters or specialised connectors. Stops Odours and Trap Siphoning: Automatically admits air into the waste system to balance pressure and prevent trap seal loss - protecting rooms from unpleasant foul smells. Internal Use Only: Engineered for indoor installations above the flood level of connected fixtures - ideal for bathrooms, kitchens and utility areas where roof venting is impractical. Compact Serviceable Design: Smooth ABS construction with removable top cap for easy cleaning and maintenance; low-profile body suits tight spaces and discreet fitting. Easy Vertical Installation: Installs quickly on vertical waste pipe sections using standard fittings; no special tools required. Always fit above the highest connected trap water level for best performance., Manufacturer: LavaTap