Fernco Inc P1056-150/125 Flexible Reducing Coupling

Product Description

The FERNCO INC P1056-150/125 is a flexible reducing coupling designed to join 1.5-inch pipe to 1.25-inch pipe in drain, waste, and vent (DWV) piping systems. It ships with two stainless steel clamps that compress a flexible sleeve to create a tight, leak-resistant mechanical joint. Licensed plumbers and drain technicians install this coupling in residential and light commercial plumbing when a reducer transition is needed between mismatched pipe sizes. The flexible construction accommodates minor misalignment and offset, making it a practical choice for repair and retrofit work where rigid couplings are difficult to seat.

This coupling is suited for drain, waste, and vent applications where a 1.5-inch line reduces to a 1.25-inch line. Typical installations include lavatory drain transitions, P-trap connections, and branch drain repairs. The part connects cast iron pipe to cast iron pipe, cast iron to plastic, or plastic to plastic, covering the most common pipe material combinations found in existing residential and commercial DWV systems. It is sold individually and is appropriate wherever a reducing transition at these two pipe diameters is required.

Key Features

• Reduces 1.5-inch pipe to 1.25-inch pipe in a single fitting
• Includes two stainless steel clamps for secure, corrosion-resistant clamping
• Flexible sleeve design accommodates minor pipe misalignment and offset
• Compatible with cast iron and plastic pipe materials on either end
• No special tools required beyond a standard clamp driver or screwdriver

Compatibility

Connects cast iron or plastic pipe to cast iron or plastic pipe at a 1.5-inch to 1.25-inch reducing transition. Designed as an OEM-style flexible coupling for residential and commercial DWV drain systems using these pipe sizes and materials.

Installation Notes

Installation is performed by a licensed plumber or qualified drain technician in accordance with applicable plumbing codes, including IPC and local amendments. Shut off water supply and confirm the line is depressurized and drained before cutting into existing pipe. Clean and deburr pipe ends before seating the coupling sleeve to ensure an even seal. Torque the stainless steel clamps evenly and do not overtighten, which can distort the sleeve and compromise the joint.

Technical Specifications

• Inlet Pipe Size: 1.5 inches
• Outlet Pipe Size: 1.25 inches
• Clamp Material: Stainless Steel
• Number of Clamps Included: 2
• Compatible Pipe Materials: Cast Iron, Plastic
• Weight: 14 pounds
• Package Quantity: 40
• Unit of Measure: EA

Standard Information

• Brand: FERNCO INC
• Manufacturer Part Number: P1056-150/125