The Wavin OsmaS ABS AAV WT 110 4S304W is a high-quality air admittance valve for 110 mm soil and waste systems. Designed to prevent unpleasant odors and maintain proper airflow, it ensures reliable, leak-free performance while simplifying installation in residential and commercial plumbing systems.
The Wavin Osma OsmaS 110mm ABS Air Admittance Valve (Grey) 4S306G provides reliable ventilation for soil and waste systems, preventing siphoning of traps. Ideal for domestic and commercial plumbing, it ensures smooth drainage and compliant airflow in 110mm pipe installations.