Drain Adaptors (differing size pipe couplers)

Designed for connecting pipes of different materials and outside diameters.

Fernco, previously known as Flexseal, Adaptor Couplings, sometimes referred to as reducer couplings, are designed to connect unadopted drainage pipes with different outside diameters – connecting larger drainage pipes to smaller drainage pipes and vice versa.

  • Provides a quick and efficient method of connecting pipes of different materials and outside diameters
  • Reliable, tried and tested products
  • Large variety of sizes for a multitude of pipe configurations


Click here to see installation notes