The Polypipe SU420W is a 110mm double branch fitting with a 92½° angle, designed exclusively for vertical installation in soil and vent systems. Constructed from robust PVCu, it provides reliable and leak-free connections for multiple waste outlets. Ideal for domestic plumbing, this fitting ensures efficient flow and compliance with BS EN 1329-1 and BS 4514 standards. Suitable for push-fit or solvent weld connections, it guarantees secure, long-lasting performance in vertical soil pipe applications.