Best Reducer Flexible Couplings in 2026

Flexible Extension Coupling for kitchens bathrooms

Inlet: 1-1/2" or 1-1/4" with included reducer washer. Outlet: 1-1/2". Length: 4-1/2"-8-1/2"

Double Slip Joint. Includes all necessary nuts & washers

CONNECT VARIOUS PIPE TYPES: The New Fernco 1056-43W white coupling reducer connects 4-inch to 3-inch Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

FLEXIBLE FIT + NO MESS: Fernco Couplings are easy to install by simply sliding over each pipe and clamped into place. You also won't have to worry about the mess or hassle of primer and glues and their unwanted odors.

UNMATCHED QUALITY & PERFORMANCE: The dimensional flexibility of Fernco couplings ensure a leak-proof seal against infiltration and exfiltration. Made of tough elastomeric polyvinyl chloride, Fernco flexible couplings are strong, long-lasting and are resistant to chemicals, and sewer gases.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 1.84" x 2.41" and fits pipe ODs between 1.70" - 1.95" x 2.15" - 2.50"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-215 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 2.38" and 3.52" and fits pipe ODs between 2.20" - 2.50" x 3.15" x 3.65"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-32 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 1.84" x 2.41" and fits pipe ODs between 1.70" - 1.95" x 2.15" - 2.50"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-215 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 1.63" and 1.94" and fits pipe ODs between 1.40" - 1.70" x 1.70" - 2.05"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-150/125 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

Package & Size: 5Pcs 90 degree barbs for connecting 5/16 inch ID hose. Usually used to connect water, air, oil, fuel and inert gas lines in a easy way.

Barbed Design: When fittings are used with hose clamps or crimp sleeves or collars (not included), the barbed stem creates a tight seal on flexible and semi-rigid hoses.

High Quality Material: L shape hose fitting is made of brass for corrosion resistance, good ductility at high temperatures and low magnetic conductivity. Operating pressures up to 1000 PSI @ -65F to +265F.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 1.63" and 1.94" and fits pipe ODs between 1.40" - 1.70" x 1.70" - 2.05"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-150/125 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 3.52" and 4.46" and fits pipe ODs between 3.25" - 3.65" x 4.25" - 4.65"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-43 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.

UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases.

FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 2.35" and 4.40" and fits pipe ODs between 2.25" - 2.50" x 4.00" - 4.50"

CONNECT VARIOUS PIPE TYPES: The Fernco 1056-42 reducer coupling connects Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping.