The McAlpine USG1-R125SS is an untrapped gully with a 22mm horizontal plain outlet. It is designed to be used in situations where there is no need for a water trap, such as in outdoor drainage systems.

The gully features a 125mm stainless steel grating which is designed to prevent debris and other materials from entering the drainage system. The grating can be easily removed for cleaning and maintenance, making it a practical and easy-to-use solution for outdoor drainage systems.

The 22mm horizontal plain outlet is designed to be connected to a waste pipe, and can be easily installed using standard plumbing techniques. The outlet is made from high-quality materials to ensure a durable and long-lasting connection to the waste pipe.

The USG1-R125SS is designed to be compatible with a range of different waste pipe materials, making it a versatile solution for a variety of outdoor drainage needs. It is also suitable for use in a range of different weather conditions, thanks to its durable stainless steel construction.

Overall, the McAlpine USG1-R125SS is a reliable and effective solution for untrapped outdoor drainage needs. Its stainless steel grating provides excellent debris protection, while its 22mm horizontal plain outlet makes it easy to connect to a waste pipe. The gully is easy to install and is made from high-quality materials, ensuring long-lasting durability and performance.