The McAlpine ST90-70B is a trap body used in plumbing installations to trap and remove wastewater from a variety of different appliances and fixtures.

The ST90-70B features a 50mm water seal trap and a 1½" multifit outlet, making it a versatile option for many plumbing applications. The trap is designed to prevent foul odours from entering the room by retaining a small amount of water in the trap.

The ST90-70B is made from high-quality materials, ensuring its durability and longevity. It is also designed for ease of installation and maintenance, with a simple and straightforward design.

Overall, the McAlpine ST90-70B 50mm water seal trap body with 1½" multifit outlet is a specific plumbing fitting that is used to trap and remove wastewater from a variety of different appliances and fixtures. Its high-quality materials and simple design make it a durable and easy-to-maintain option for many plumbing applications.

・ 50mm Water Seal
・ Supplied with 135° Bend - BSP coupling nut x 1½" Multifit
・ Flow rate 34 l/min when tested under a constant 15mm head of water in accordance with clause 5 of BS EN 274-2:2002
・ Height of trap body is 76mm