Maxiflex pcx56-42 4 Inch Flex Coupling

Product Description

The Maxiflex PCX56-42 is a 4 inch flex coupling designed for use in plumbing and drainage systems where rigid pipe connections are not practical or where minor misalignment needs to be corrected. Flex couplings are a staple in commercial and residential plumbing work, allowing trade professionals to join two pipe ends quickly and securely without the need for solvent welding, threading, or special tooling. The PCX56-42 is built to accommodate standard 4 inch pipe diameters, making it suitable for drain, waste, and vent applications commonly found in both new construction and repair work. Plumbers rely on flex couplings like this one when connecting cast iron, PVC, ABS, clay, or concrete pipe sections, especially in retrofit and repair scenarios where pipe materials may differ. The flexible sleeve design absorbs vibration and allows for slight angular deflection, which helps prevent stress cracking at the joint over time. The coupling creates a watertight seal by compressing a rubber sleeve against the outer surface of each pipe end using stainless steel band clamps that are tightened with a standard screwdriver or nut driver. This makes installation faster and more straightforward compared to traditional joining methods. HVAC technicians, plumbers, and general contractors working on underground drainage, sewer lines, or building drain stacks will find the PCX56-42 to be a reliable and time-saving connection solution. The 4 inch size is one of the most common sizes used in main building drains and horizontal drain runs. At 8.2 pounds, this coupling is built with enough material mass to provide a durable and long-lasting joint in demanding conditions.

• Fits standard 4 inch pipe for drain, waste, and vent applications
• Flexible sleeve design accommodates minor pipe misalignment and absorbs vibration
• Compatible with cast iron, PVC, ABS, clay, and concrete pipe materials

Product Highlights

The Maxiflex PCX56-42 4 inch flex coupling provides a fast, tool-minimal method for joining dissimilar or same-material pipes in plumbing drainage systems. It is a trusted choice for plumbers handling repairs, retrofits, and new construction drain installations.

Product Information

Standard Information

• Brand: MAXIFLEX
• Manufacturer Part Number: PCX56-42

Technical Specifications

• Pipe Size: 4 inches
• Weight: 8.2 pounds
• UPC Code: 096519000679