Fernco HD-33 Heavy Duty No Hub Coupling for Cast Iron Plumbing Connections
UNMATCHED QUALITY & PERFORMANCE: Built to last the life of the plumbing system, Fernco no hub couplings offer long-lasting performance and the preferred way to connect cast iron pipes together without the need for a traditional hub and spigot joint.
PATENTED BI-DIRECTIONAL SHIELD DESIGN: The patented, bi-directional corrugation shield seals pressure in both parallel and transverse patterns on the gasket and pipe to provide a positive, reliable seal.
SPECIALLY BEADED GASKET: Meeting the requirements of ASTM C564, the beaded gasket consists of an elastomeric compound with strategically positioned grooves and beads providing exceptional Sealing Pressure and holding power.
INTERLOCKING CLAMP DESIGN: The clamps feature a one-piece screw housing that mechanically interlocks to the band. This design eliminates leak paths that can occur in staked or welded clamps.
SPECS & CODES: Conforms to CISPI 310, Factory Mutual CN 1680, ASTM C564, ASTM C1540, IAPMO file #3198, Commonwealth of Massachusetts CMR-248 and City of New York MEA 253-98-E.
TRUSTED & PREFFERED: Proudly manufactured in the United States.
