The McAlpine DC1-BL-BO is a drain connector designed to fit a 4"/110mm pipe to BS 4514 with an 'O' seal socket. It also includes a 1.5" universal pipe boss with a blanking cap. This connector is used to join a 4"/110mm pipe to a waste outlet or soil pipe. The 'O' seal socket provides a watertight seal between the pipe and the connector, ensuring that there is no leakage. The 1.5" universal pipe boss allows for a waste appliance or discharge pipe to be connected to the drain. The blanking cap can be used to seal off the pipe boss if it is not needed. The McAlpine DC1-BL-BO is made from durable materials and is designed to withstand the rigors of regular use. It is easy to install and can be used in a variety of applications. This drain connector is suitable for both commercial and residential use. Available in Black and Grey Finned seal spigot for internal connection to 4"/110mm cast iron, plastic or clay Ideal for low level connections 1.5" Universal Vent Boss Include Blank Cap McAlpine DC1-BL-BO Black 4"/110mm Drain Connector with Boss