Fernco 1056-33RC 3 in. x 3 in. Strong Back Shielded Coupling
Product Overview
The Fernco 1056-33RC Strong Back shielded coupling connects compatible 3 in. cast iron, lead, plastic, or steel pipe in underground applications.
Key Features:
- 3 in. x 3 in. shielded coupling
- Strong Back design adds rigidity and alignment support
- For compatible cast iron, lead, plastic, or steel pipe transitions
- Underground connection use listed
- 60 lb-in installation torque listed
Common Uses:
- 3 in. underground pipe repair
- Transitions between compatible pipe materials
- Applications needing shielded support and pipe alignment
Technical Specifications:
- Size: 3 in. x 3 in.
- Installation Torque: 60 lb-in.
- Temperature Range: -30°F to 140°F
FAQ
What does Strong Back mean?
The shielded design adds rigidity and helps support pipe alignment.
What pipe materials can it connect?
It is listed for compatible cast iron, lead, plastic, or steel pipe.
What should I check before ordering?
Confirm pipe outside diameters, pipe materials, and code 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 1056-33RC 3 in. x 3 in. Strong Back Shielded Coupling
Fernco 1056-33RC 3 in. x 3 in. Strong Back Shielded Coupling
Product Overview
The Fernco 1056-33RC Strong Back shielded coupling connects compatible 3 in. cast iron, lead, plastic, or steel pipe in underground applications.
Key Features:
- 3 in. x 3 in. shielded coupling
- Strong Back design adds rigidity and alignment support
- For compatible cast iron, lead, plastic, or steel pipe transitions
- Underground connection use listed
- 60 lb-in installation torque listed
Common Uses:
- 3 in. underground pipe repair
- Transitions between compatible pipe materials
- Applications needing shielded support and pipe alignment
Technical Specifications:
- Size: 3 in. x 3 in.
- Installation Torque: 60 lb-in.
- Temperature Range: -30°F to 140°F
FAQ
What does Strong Back mean?
The shielded design adds rigidity and helps support pipe alignment.
What pipe materials can it connect?
It is listed for compatible cast iron, lead, plastic, or steel pipe.
What should I check before ordering?
Confirm pipe outside diameters, pipe materials, and code 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 1056-33RC Strong Back shielded coupling connects compatible 3 in. cast iron, lead, plastic, or steel pipe in underground applications.
Key Features:
- 3 in. x 3 in. shielded coupling
- Strong Back design adds rigidity and alignment support
- For compatible cast iron, lead, plastic, or steel pipe transitions
- Underground connection use listed
- 60 lb-in installation torque listed
Common Uses:
- 3 in. underground pipe repair
- Transitions between compatible pipe materials
- Applications needing shielded support and pipe alignment
Technical Specifications:
- Size: 3 in. x 3 in.
- Installation Torque: 60 lb-in.
- Temperature Range: -30°F to 140°F
FAQ
What does Strong Back mean?
The shielded design adds rigidity and helps support pipe alignment.
What pipe materials can it connect?
It is listed for compatible cast iron, lead, plastic, or steel pipe.
What should I check before ordering?
Confirm pipe outside diameters, pipe materials, and code requirements.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.














