Fernco 4" X 4" Flexible Coupling Ductile Iron to Cast Iron, Plastic & Steel
UNRIVALED RESILIENCE IN CHALLENGING CONDITIONS: Fernco RC shielded couplings accommodate challenging pipe connections, including slight off-set in host pipes.
BELOW-GROUND PIPE CONNECTOR EXCELLENCE: Designed to resist heavy earth loads and shear forces, Fernco RC pipe couplings stand as the optimal choice for below-ground applications.
FLEXIBLE FIT: Specifically designed to connect 4" Ductile Iron to 4" Cast Iron, Plastic, and Steel pipes. This coupling accommodates pipe outer diameters (ODs) ranging from 4.35"-5" on one end and 4"-4.6" on the other end.
THE PREFERRED PIPE CONNECTOR: Fernco couplings stand as the top choice for flexible pipe connections in waste, drain, and vent applications. Trusted by plumbers, contractors, and municipalities worldwide.
UNSURPASSED DURABILITY: Provides a permanent, leak-proof solution for sewer, drain, waste, and vent piping needs, ensuring enduring performance tailored to various requirements and standards.
SPECS & CODES: Complies with ASTM D 5926, C 1173, CSA B602 and are UPC Approved. Best for below ground use. Maximum test pressure: 4.3 PSI.
American Craftsmanship: With over 60 years of proud manufacturing in the USA, Fernco's products reflect unparalleled quality and reliability, underpinned by decades of industry expertise.