Internal Air Admittance Valve Appleby External Walls: Adds a distinctive

External Walls: Adds a distinctive look for both contemporary and traditional buildings

long-lasting choice for energy-saving LED lighting

Sand down bare wood and metal surfaces to create a suitable key and remove any dust

this essential component prevents water ingress

Internal Air Admittance Valve Appleby External Walls: Adds a distinctiveThe FloPlast Internal Air Admittance Valve is engineered to allow the free entry of air into sanitary pipework systems while preventing the escape of foul gases into the building, it helps maintain water trap seals by preventing induced siphonage and can act as an early warning sign of potential drainage blockages. Ideal for internal installations, it eliminates the need to penetrate the roof, improving both aesthetics and installation convenience.