The McAlpine TSG1-WH is a type of trapped gully used in plumbing installations to prevent foul odors and gases from escaping through the drain system. It has a water seal of 75mm, which is the minimum height required by building regulations to prevent gases from entering the building.

The trapped gully is designed with a clamp ring and cover plate, which makes it easy to install and provides a secure and tight seal. The 2" horizontal outlet is a common size used in plumbing installations, and the 2" x 1½" socket reducer allows for connection to smaller diameter pipes.

Overall, the McAlpine TSG1-WH trapped gully is a reliable and efficient solution for drainage systems, providing protection against unwanted odors and gases.

・ Available with White Plastic, Polished Stainless Steel or Chrome Plated Brass Cover Plates
・ 75mm Water Seal
・ 110mm Vertical Outlet
・ Supplied with110mm x 2" BS EN 1329-1:2000 solvent spigot outlet
・ Sheet floor gully suitable for concrete and suspended timber floors