Fernco Proflex 3000-33 Shielded Pipe Coupling Connector — 3" Cast Iron to 3" Plastic, Steel, or Extra-Heavy Cast Iron

3000 Series · Proflex Shielded Coupling

Fernco Proflex 3000-33 Shielded Pipe Coupling Connector — 3" Cast Iron to 3" Plastic, Steel, or Extra-Heavy Cast Iron

Part # 3000-33

Superior shear force resistance. The Fernco proflex stainless steel shield and clamp design help resist heavy shear forces, ensuring a rigid,...
Durable construction. Made with a .012" thick stainless steel shield and 301 stainless steel clamp bands, proflex couplings provide...
The go-to cast iron to plastic connection. The Fernco proflex 3000 series connects cast iron, plastic, or steel pipes to the same materials.
Code compliant and easy to install. Complies with ASTM c1460, ASTM c564, and CSA b602.

3000 Series Size: 3" x 3"

Connects Cast Iron to Plastic, Steel and Extra Heavy Cast Iron

Drawing (PDF) All documents

Dimensions

Download drawing (PDF)

End 1 pipe OD range	1.52" to 2.20"
End 1 inside diameter	1.52"
Length	4.13 in
Width	4.50 in
Height	2.13 in
Weight	0.4 lb

Product details

The Fernco proflex 3000-33 shielded pipe coupling is engineered for dependable above-ground pipe transitions between 3" cast iron to 3" plastic, steel, or extra-heavy cast iron. Featuring a flexible neoprene sleeve and a durable stainless steel shield, this coupling delivers a secure, leak-resistant seal that absorbs vibration and resists shear forces. Whether you're performing a repair or adapting between materials, the proflex coupling ensures a code-compliant, professional-grade connection that installs quickly with standard tools. Manufactured in the USA, proflex couplings are trusted by professionals for their quality, reliability, and performance across residential and commercial plumbing applications.

The preferred above ground pipe connector. Fernco proflex couplings are the premier choice for above-ground applications, offering unmatched strength, flexibility, and performance when connecting a wide range of pipe materials

Versatile compatibility. Proflex is a transition coupling that provide seamless, reliable connections across a spectrum of sizes and materials.

Connects 3" cast iron to 3" plastic, steel, or extra-heavy cast iron

Specifications

Product
Connection	Mechanical
Fitting type	Straight Coupling
Flexible	Yes
Material	EPDM Rubber, Stainless Steel
Color	Black, Silver
Standards	ASTM C1460, ASTM C564, CSA B602
Application	Above Ground, DWV

Performance
Max test pressure	4.3 psi
Temperature range	-30°F to 140°F

Drawings and downloads

Documents

Dimensional drawing

3000-33, PDF · 149.71 KB

Download

Proflex-Sell-Sheet-03-26 PDF · 13.16 MB
Fernco Proflex Salesheet PDF · 14.71 MB
Fernco Proflex Salesheet - French PDF · 13.24 MB
Fernco Proflex Specialty Coupling Installation PDF · 1.33 MB
Proflex Specialty Coupling Installation PDF · 1.33 MB
Installation instructions All products

Compare 3000 Series sizes

3000-150

Size
1.5" x 1.5"

Pipe materials
Cast Iron, Plastic and Steel to Cast Iron, Plastic and Steel

Pipe OD range
3.08" to 3.77"
3000-215

Size
2" x 1.5"

Pipe materials
Cast Iron, Plastic, Steel and Extra Heavy Cast Iron to Cast Iron, Plastic and Steel
3000-22

Size
2" x 2"

Pipe materials
Cast Iron, Plastic, Steel and Extra Heavy Cast Iron to Cast Iron, Plastic, Steel and Extra Heavy Cast Iron

Pipe OD range
4.00" to 4.69"
3000-33 (this part)

Size
3" x 3"

Pipe materials
Cast Iron to Plastic, Steel and Extra Heavy Cast Iron

Pipe OD range
1.52" to 2.20"
3000-43

Size
4" x 3"

Pipe materials
Cast Iron to Plastic, Steel and Extra Heavy Cast Iron
3000-44

Size
4" x 4"

Pipe materials
Cast Iron to Plastic, Steel and Extra Heavy Cast Iron

Pipe OD range
1.41" to 2.72"
3000-55

Size
5" x 5"

Pipe materials
Cast Iron to Plastic, Steel and Extra Heavy Cast Iron
3000-66

Size
6" x 6"

Pipe materials
Cast Iron to Plastic, Steel and Extra Heavy Cast Iron
3000-88

Size
8" x 8"

Pipe materials
Cast Iron to Plastic, Steel and Extra Heavy Cast Iron

Part	Size	Pipe materials	Pipe OD range (end 1 / end 2)
3000-150	1.5" x 1.5"	Cast Iron, Plastic and Steel to Cast Iron, Plastic and Steel	3.08" to 3.77"
3000-215	2" x 1.5"	Cast Iron, Plastic, Steel and Extra Heavy Cast Iron to Cast Iron, Plastic and Steel
3000-22	2" x 2"	Cast Iron, Plastic, Steel and Extra Heavy Cast Iron to Cast Iron, Plastic, Steel and Extra Heavy Cast Iron	4.00" to 4.69"
3000-33 (this part)	3" x 3"	Cast Iron to Plastic, Steel and Extra Heavy Cast Iron	1.52" to 2.20"
3000-43	4" x 3"	Cast Iron to Plastic, Steel and Extra Heavy Cast Iron
3000-44	4" x 4"	Cast Iron to Plastic, Steel and Extra Heavy Cast Iron	1.41" to 2.72"
3000-55	5" x 5"	Cast Iron to Plastic, Steel and Extra Heavy Cast Iron
3000-66	6" x 6"	Cast Iron to Plastic, Steel and Extra Heavy Cast Iron
3000-88	8" x 8"	Cast Iron to Plastic, Steel and Extra Heavy Cast Iron