Fernco 1056-44 4 in. x 4 in. Flexible Coupling
Product Overview
The Fernco 1056-44 flexible coupling connects compatible 4 in. cast iron, PVC, steel, or lead pipe in drain, sewer, vent, and waste applications.
Key Features:
- 4 in. x 4 in. flexible coupling
- For compatible cast iron, PVC, steel, or lead pipe
- Flexible coupling for drain, sewer, vent, and waste applications
- Useful for repair and straight pipe connections
- 60 lb-in installation torque listed
Common Uses:
- 4 in. pipe repair
- Straight pipe connections
- Drain, sewer, vent, and waste applications where approved
Technical Specifications:
- Size: 4 in. x 4 in.
- Installation Torque: 60 lb-in.
- Temperature Range: -30°F to 140°F
- Overall Dimensions: 4.022 in. length x 5.22 in. width
FAQ
What pipe size does this fit?
It fits compatible 4 in. pipe connections.
What materials is it used with?
It is listed for compatible cast iron, PVC, steel, or lead pipe.
What should I check before ordering?
Confirm pipe outside diameter, pipe material, and installation requirements.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.
Product Information
Product Information
Shipping & Returns
Shipping & Returns



Fernco 1056-44 4 in. x 4 in. Flexible Coupling
Fernco 1056-44 4 in. x 4 in. Flexible Coupling
Product Overview
The Fernco 1056-44 flexible coupling connects compatible 4 in. cast iron, PVC, steel, or lead pipe in drain, sewer, vent, and waste applications.
Key Features:
- 4 in. x 4 in. flexible coupling
- For compatible cast iron, PVC, steel, or lead pipe
- Flexible coupling for drain, sewer, vent, and waste applications
- Useful for repair and straight pipe connections
- 60 lb-in installation torque listed
Common Uses:
- 4 in. pipe repair
- Straight pipe connections
- Drain, sewer, vent, and waste applications where approved
Technical Specifications:
- Size: 4 in. x 4 in.
- Installation Torque: 60 lb-in.
- Temperature Range: -30°F to 140°F
- Overall Dimensions: 4.022 in. length x 5.22 in. width
FAQ
What pipe size does this fit?
It fits compatible 4 in. pipe connections.
What materials is it used with?
It is listed for compatible cast iron, PVC, steel, or lead pipe.
What should I check before ordering?
Confirm pipe outside diameter, pipe material, and installation requirements.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Product Overview
The Fernco 1056-44 flexible coupling connects compatible 4 in. cast iron, PVC, steel, or lead pipe in drain, sewer, vent, and waste applications.
Key Features:
- 4 in. x 4 in. flexible coupling
- For compatible cast iron, PVC, steel, or lead pipe
- Flexible coupling for drain, sewer, vent, and waste applications
- Useful for repair and straight pipe connections
- 60 lb-in installation torque listed
Common Uses:
- 4 in. pipe repair
- Straight pipe connections
- Drain, sewer, vent, and waste applications where approved
Technical Specifications:
- Size: 4 in. x 4 in.
- Installation Torque: 60 lb-in.
- Temperature Range: -30°F to 140°F
- Overall Dimensions: 4.022 in. length x 5.22 in. width
FAQ
What pipe size does this fit?
It fits compatible 4 in. pipe connections.
What materials is it used with?
It is listed for compatible cast iron, PVC, steel, or lead pipe.
What should I check before ordering?
Confirm pipe outside diameter, pipe material, and installation requirements.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.












