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Fernco Drain Coupling

Drain Couplings

Fernco Drain Couplings, sometimes referred to as couplers, are simple, easy to use drainage pipe connectors. Drain Couplings are designed to connect two pipes with the same or similar (within 10mm) outside diameter.

  • Easy to fit, simple and versatile
  • Completely airtight and watertight connection
  • Can be used to connect plain ended pipes
  • Repair of existing pipe systems by replacing short sections of pipe
  • An inexpensive option for unadopted (private) drainage pipes
  • Complies with AS/NZS 4327-1995 – Metal-banded flexible couplings for low-pressure applications
  • WaterMark certified
  • OceanaMark certified

    SKU: drain-couplings Category:

    Introduction to Drain Couplings

    Fernco Drain Couplings, sometimes referred to as couplers, are simple, easy to use drainage pipe connectors. Drain Couplings are designed to connect two pipes with the same or similar (within 10mm) outside diameter.

    Drain Coupling are made from three component parts: one moulded EPDM rubber body and two 316 grade stainless steel clamp bands, which when tightened create a secure connection.

    These simple yet effective connectors can be tightened onto pipes using a  nut driver and torque wrench, creating a permanent airtight and watertight seal in just seconds.

    Unadopted Drainage Applications

    Fernco Drain Couplings are the tried and tested method for connecting unadopted or private drainage systems and with a range developed over 30 years, Fernco has a Drain Coupling for almost any pipe configuration.

    Applications include housing sites, private roads, industrial sites, agriculture land and more.

    Adopted Drainage Applications

    Adopted drainage systems are most commonly adopted by highway agencies, water companies or local authorities.

    Connections using flexible couplings are likely regulated under a specification such at WIS 4-41-01, which states that all adopted drainage systems must only be connected using Shear Banded Couplings. This is to ensure joint stability and sewer invert level is maintained.

    For this reason, Drain Couplings are prohibited on adopted drainage systems and only Fernco’s Shear Banded Couplings should be used.

    None conformance with WIS 4-41-01 on adopted pipe lines

    Conformance with WIS 4-41-01 on adopted pipe lines

    Go to Shear Banded Couplings

    WaterMark Certified

    “The WaterMark Certification Scheme is a mandatory certification scheme for plumbing and drainage products to ensure they are fit for purpose and appropriately authorised for use in plumbing and drainage installations.” – Australian Building Codes Board

    Fernco offers a full range of products which are certified under the WaterMark Certification scheme including Drain Couplings.

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