AC633 Fernco Adaptor Coupling 53mm - 63mm / 40mm - 50mm

Fernco AC633 adaptor coupling with a banded seal, designed for pipe with an outside diameter of 53mm to 63mm and 40mm to 50mm. Manufactured from EPDM rubber, incorporating a Grade 1 304 stainless steel band.

The Fernco AC633 Adaptor Coupling is a compact and versatile solution for connecting drainage pipes of different outside diameters in domestic, commercial and light industrial applications. Designed for ease of installation and dependable sealing, this adaptor coupling is ideal for repairs, renovations and system modifications.

EPDM Adaptor Coupling Data Sheet

Constructed from durable EPDM rubber and secured with corrosion-resistant stainless steel clamp bands, the AC633 provides an airtight and watertight connection that resists wear and environmental stress. Its flexible design compensates for minor pipe misalignment and allows smooth transitions between PVC, clay and other common pipe materials. Installation is quick and efficient using basic hand tools.

Key Features & Benefits:

• Suitable for mixed-diameter pipe connections
• Flexible EPDM rubber body
• Stainless steel clamps for secure tightening
• Creates a reliable airtight and watertight seal
• Accommodates minor pipe misalignment
• Fast, simple installation
• Compatible with common drainage materials
• Ideal for repairs and small system upgrades

The AC633 offers dependable performance in a compact, easy-to-use adaptor coupling.