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Wavin Osma
Plumbco offers the full range of Wavin Osma products, including RoundLine and SquareLine gutter systems, brackets, outlets, stopends, and gutter angles. Renowned for their high-quality PVC-U construction and reliable performance, Wavin Osma fittings provide durable, efficient solutions for domestic and commercial rainwater management. Explore our selection for seamless installation, long-lasting durability, and a professional finish across all roofing and drainage projects.
Wavin OsmaSoil 4S306G Domestic Air Admittance Valve All 110mm Grey
4S306G
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.
£85.08 incl tax
Wavin OsmaSoil 4S502G Access Branch - Grey
4S502G
Premium Wavin OsmaS PVCU 90° branch fitting in grey for 110×110 mm soil and waste systems (part 4S502G). Designed for reliable, secure connections in standard 110mm drainage and soil pipe layouts, this PVC‑U branch ensures leak‑resistant performance and long‑lasting durability for domestic and commercial plumbing projects.
£105.43 incl tax
Wavin OsmaSoil 4S430G Double Branch 87.5 deg 110mm Grey
4S430G
The Wavin Osma OsmaS 110x110mm PVC-U 90° D Branch (Grey) 4S430G is a high-quality soil pipe fitting designed for smooth and reliable drainage connections. Ideal for domestic and commercial plumbing, it ensures efficient waste flow and secure 110mm soil pipe junctions.
£115.15 incl tax
Wavin OsmaSoil 4S430E SW/S Double Branch 87.5 deg 110mm Olive
4S430E
The Wavin Osma OsmaS 110x110mm PVC-U 90° D Branch (4S430E) is a reliable soil pipe fitting designed for efficient drainage system connections. Suitable for domestic and commercial plumbing, it ensures smooth waste flow and secure 110mm soil pipe junctions.
£115.15 incl tax
Wavin OsmaSoil 4S230w S/S Double Branch 87.5 deg 110mm White
4S230W
The Wavin OsmaSoil 4S230W Double Branch 87.5° 110mm in White is a high-quality PVC-U fitting designed for domestic and commercial soil pipe systems. It allows the connection of two branch pipes at 87.5° angles to a main 110mm stack, ensuring smooth waste flow and reliable drainage. Resistant to corrosion and leaks, this fitting provides long-lasting performance and easy installation in plumbing systems.
£116.81 incl tax
Wavin OsmaSoil 4S230G S/S Double Branch 87.5 deg 110mm Grey
4S230G
The Wavin Osma OsmaS 110x110mm PVC-U 90° D Branch (Grey) 4S230G is a durable soil pipe fitting designed for smooth drainage system junctions. Ideal for domestic and commercial plumbing, it provides secure connections and reliable waste flow for 110mm soil pipes.
£116.81 incl tax
Wavin OsmaSoil 4S230b S/S Double Branch 87.5 deg 110mm Black
4S230B
The Wavin Osma OsmaS 110x110mm PVC-U 90° D Branch (Black) 4S230B is a robust soil pipe fitting designed for secure drainage system junctions. Suitable for domestic and commercial plumbing, it ensures reliable waste flow and strong 110mm soil pipe connections.
£116.81 incl tax
Wavin OsmaSoil 4S304W Air Admittance Valve 110mm White
4S304W
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.
£131.02 incl tax
Wavin OsmaSoil 4S291G S/S Corner Branch 110mm Grey
4S291G
The Wavin OsmaSoil 4S291G Corner Branch 110mm in Grey is engineered for connecting soil and waste pipes at corners in domestic and commercial drainage systems. Constructed from high-quality PVC-U, this branch fitting ensures a strong, leak-resistant connection and simplifies pipe routing. Its robust design guarantees long-lasting performance while complying with UK plumbing standards.
£183.88 incl tax
Wavin OsmaSoil 4S491G Corner Branch - Grey
4S491G
Durable Wavin OsmaS PVCU 90° correct branch fitting in grey, 110×110 mm SW/S (part 4S491G). Ideal for soil and waste pipe systems, this PVC‑U branch ensures secure, leak-resistant connections and long-lasting performance in domestic and commercial drainage installations.
£203.79 incl tax
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