The McAlpine Black Drain Connector – DC1-BL provides a practical waste water drainage solution for domestic plumbing installations. In addition, its finned seal spigot ensures a secure internal connection to cast iron, plastic, or clay 4″/110mm pipes. Furthermore, the integrated sealing ring offers a convenient and watertight connection to plastic waste pipes.
The McAlpine DC1-BL is ideal for low level connections and other installations where a reliable pipe transition is required. As a result, it acts as an effective reducer allowing for connection to 1¼” and 1½” waste pipes. Therefore, it creates a neat and efficient plumbing solution.
The DC1-BL forms part of McAlpine’s trusted range of plumbing products. Consequently, it delivers dependable performance across a wide range of domestic plumbing applications. It is manufactured in high-quality polypropylene and is designed for use with standard domestic drainage systems.
Key Features & Benefits of McAlpine Drain Connector – DC1-BL:
Finned Seal Spigot: The connector features a finned seal spigot for a tight internal connection. For this reason, it is ideal for connecting securely to 4″/110mm cast iron, plastic, or clay pipes.
Versatile Reducer Design: Features an integrated sealing ring to fit plastic waste pipes. In addition, it acts as a reducer specifically accommodating 1¼” and 1½” pipe sizes.
Low Level Suitability: Designed to deliver reliable wastewater flow in restricted spaces. Consequently, it provides an ideal and highly practical solution for low level connections.
Simple Installation: Manufactured in durable black polypropylene. As a result, it reduces installation time and creates a neat, professional finish.
Trusted McAlpine Quality: Manufactured by McAlpine to deliver dependable performance, long-lasting durability, and high manufacturing standards. Therefore, it is suitable for a wide range of domestic plumbing applications.
Technical Specifications:
Product Type: Drain Connector Reducer
Model: DC1-BL
Application: Internal connection to 4″/110mm cast iron, plastic, or clay pipes
Connection: 4″/110mm to 1¼” and 1½” waste pipe
Manufacturer: McAlpine







