AC4208 Fernco Adaptor Coupling 395mm - 420mm / 240mm - 265mm

Fernco AC4208 adaptor coupling with a banded seal, designed for pipe with an outside diameter of 395mm to 420mm and 240mm to 265mm. Manufactured from EPDM rubber, incorporating a Grade 1 304 stainless steel band.

The Fernco AC4208 Adaptor Coupling is a high-performance solution designed for connecting extra-large drainage pipes of differing outside diameters in the most demanding environments. Ideal for major infrastructure projects and heavy-duty industrial drainage installations, this adaptor coupling delivers maximum sealing confidence and durability.

EPDM Adaptor Coupling Data Sheet

Featuring a resilient EPDM rubber sleeve and robust stainless steel clamp bands, the AC4208 provides a secure airtight and watertight seal capable of withstanding ground movement, environmental exposure and long-term use. Its flexible body allows for easier alignment during installation and accommodates slight pipe offset without compromising joint integrity. Installation is simple using standard tools, helping reduce downtime on large projects.

Key Features & Benefits:

• Designed for extra-large mixed-diameter drainage transitions
• High-strength EPDM rubber sleeve
• Corrosion-resistant stainless steel clamps
• Provides reliable airtight and watertight performance
• Accommodates pipe movement and slight misalignment
• Easy installation with standard tools
• Compatible with multiple pipe materials
• Ideal for industrial and infrastructure drainage applications

The AC4208 is an excellent choice for professionals requiring a robust, flexible adaptor coupling for the largest and most demanding drainage systems.