Fernco 1051-66 6" X 6" Ductile Iron to Cast Iron, Plastic, Steel Pipe Flexible Coupling Connector Sewer and Drain Coupler Adapter in Black

Part # 1051-66

Flexible fit. Specifically designed to connect 6" ductile iron to 6" cast iron, plastic (sch 40, sdr-35, abs) and steel pipes.
Unsurpassed durability. Provides a permanent, leak-proof solution for sewer, drain, waste, and vent piping needs, ensuring enduring...
No-mess installation. Skip the messy glues, primers, and their unwanted odors with quick and hassle-free installation.
American craftsmanship and compliance. Proudly manufactured in the USA for over 60 years.

1051 Series Size: 6" x 6"

Connects Ductile Iron to Cast Iron, Plastic and Steel

Drawing (PDF) All documents

Dimensions

Download drawing (PDF)

End 1 pipe OD range	6.35" to 7.00"
End 2 pipe OD range	6.00" to 6.60"
End 1 inside diameter	6.80"
End 2 inside diameter	6.40"
Length	7.56 in
Width	7.56 in
Height	6.00 in
Weight	2.43 lb

Product details

Presenting the Fernco 1051-66, a robust 6" x 6" ductile iron to cast iron, plastic (sch 40, abs) and steel pipe coupling connector sewer and drain coupler adapter, engineered to provide seamless integration for your sewer, drain, and plumbing systems. Tailored to effortlessly accommodate 6" ductile iron pipes, or pipes with outer diameters ranging from 6.35"-7" to 6" cast iron, plastic or steel pipes, or pipes with outer diameters ranging from 6"-6.6", ensuring versatility across various applications. Crafted with meticulous attention to quality and performance, Fernco couplings boast elastomeric polyvinyl chloride construction and 300-GRADE stainless steel bands, delivering a robust, leak-proof fitting resistant to chemicals and sewer gases. Trusted by industry professionals and homeowners alike, Fernco couplings establish enduring, watertight seals for sewer and drain connections, eliminating the need for cumbersome glues or primers. Suitable for seamless integration in both vertical and horizontal installations.

With a maximum test pressure of 4.3 PSI and an intermittent operating temperature of 140 degrees f, these couplings offer unrivaled leak-proof, root-proof, and chemical-resistant attributes, guaranteeing unmatched reliability and longevity for your waterworks and plumbing requirements. Proudly manufactured in the united states for over 60 years, Fernco stands as the premier choice for dependable solutions.

Unmatched quality and performance. Engineered for lasting durability in plumbing, sewer, and drain applications, Fernco couplings offer a robust, leak-proof fitting, resistant to chemicals and sewer gases.

The preferred pipe connector. Fernco couplings stand as the top choice for flexible pipe connections in waste, drain, and vent applications. Trusted by plumbers, contractors, and municipalities worldwide.

Specs and codes. Complies with ASTM d 5926, c 1173, CSA b602 and are UPC approved. Rated for above and below ground applications. Maximum test pressure: 4.3 PSI.

Specifications

Product
Connection	Mechanical
Fitting type	Reducing Coupling
Flexible	Yes
Material	Elastomeric PVC, Stainless Steel
Color	Black
Standards	ASTM C1173, ASTM D5926, CSA B602, UPC
Application	Above Ground, DWV

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

Compliance

AIS and BABA compliant

Meets American Iron and Steel and Build America, Buy America requirements for government and municipal projects.

AIS and BABA details

Drawings and downloads

Documents

Dimensional drawing

1051-66, PDF · 80.55 KB

Download

Installation instructions All products

Compare 1051 Series sizes

Ductile Iron to Cast Iron, Plastic and Steel

1051-44

Size
4" x 4"

Pipe OD range
4.50" to 4.90" / 4.10" to 4.70"

Strong Back RC
1051-44RC
1051-45

Size
4" x 5"

Pipe OD range
4.50" to 5.15" / 4.90" to 5.10"

Strong Back RC
1051-45RC
1051-46

Size
4" x 6"

Pipe OD range
4.30" to 4.90" / 4.65" to 4.85"

Strong Back RC
1051-46RC
1051-54

Size
5" x 4"

Pipe OD range
5.25" to 5.95" / 4.00" to 4.75"
1051-55

Size
5" x 5"

Pipe OD range
5.60" to 6.30" / 5.25" to 5.70"

Strong Back RC
1051-55RC
1051-64

Size
6" x 4"

Pipe OD range
6.45" to 7.10" / 4.00" to 4.50"

Strong Back RC
1051-64RC
1051-65

Size
6" x 5"

Pipe OD range
6.35" to 7.00" / 4.70" to 5.35"

Strong Back RC
1051-65RC
1051-66 (this part)

Size
6" x 6"

Pipe OD range
6.35" to 7.00" / 6.00" to 6.60"

Strong Back RC
1051-66RC
1051-84

Size
8" x 4"

Pipe OD range
8.60" to 9.25" / 4.40" to 4.60"

Strong Back RC
1051-84RC
1051-86

Size
8" x 6"

Pipe OD range
8.60" to 9.25" / 6.53" to 6.73"

Strong Back RC
1051-86RC
1051-88

Size
8" x 8"

Pipe OD range
8.60" to 9.25" / 8.00" to 8.70"

Strong Back RC
1051-88RC
1051-10-8

Size
10" x 8"

Pipe OD range
10.25" to 11.15" / 8.53" to 8.73"

Strong Back RC
1051-10-8RC
1051-1010

Size
10" x 10"

Pipe OD range
10.25" to 11.15" / 9.90" to 10.75"

Strong Back RC
1051-1010RC
1051-1210

Size
12" x 10"

Pipe OD range
12.25" to 13.20" / 10.65" to 10.85"

Strong Back RC
1051-1210RC
1051-1212

Size
12" x 12"

Pipe OD range
12.25" to 13.20" / 11.75" to 12.60"

Strong Back RC
1051-1212RC
1051-1215

Size
12" x 15"

Pipe OD range
13.10" to 13.30" / 14.50" to 15.75"

Strong Back RC
1051-1215RC
1051-1510

Size
15" x 10"

Pipe OD range
14.90" to 16.00" / 10.50" to 10.70"
1051-1512

Size
15" x 12"

Pipe OD range
14.90" to 16.00" / 12.50" to 12.70"
1051-1515

Size
15" x 15"

Pipe OD range
14.90" to 16.00"

Strong Back RC
1051-1515RC
1051-1818

Size
18" x 18"

Pipe OD range
19.00" to 20.10" / 18.60" to 18.80"

Strong Back RC
1051-1818RC
1051-2424

Size
24" x 24"

Pipe OD range
24.30" to 26.30" / 24.60" to 24.80"

Strong Back RC
1051-2424RC

Part	Size	Pipe OD range (end 1 / end 2)	Strong Back RC Shielded version
1051-44	4" x 4"	4.50" to 4.90" / 4.10" to 4.70"	1051-44RC
1051-45	4" x 5"	4.50" to 5.15" / 4.90" to 5.10"	1051-45RC
1051-46	4" x 6"	4.30" to 4.90" / 4.65" to 4.85"	1051-46RC
1051-54	5" x 4"	5.25" to 5.95" / 4.00" to 4.75"
1051-55	5" x 5"	5.60" to 6.30" / 5.25" to 5.70"	1051-55RC
1051-64	6" x 4"	6.45" to 7.10" / 4.00" to 4.50"	1051-64RC
1051-65	6" x 5"	6.35" to 7.00" / 4.70" to 5.35"	1051-65RC
1051-66 (this part)	6" x 6"	6.35" to 7.00" / 6.00" to 6.60"	1051-66RC
1051-84	8" x 4"	8.60" to 9.25" / 4.40" to 4.60"	1051-84RC
1051-86	8" x 6"	8.60" to 9.25" / 6.53" to 6.73"	1051-86RC
1051-88	8" x 8"	8.60" to 9.25" / 8.00" to 8.70"	1051-88RC
1051-10-8	10" x 8"	10.25" to 11.15" / 8.53" to 8.73"	1051-10-8RC
1051-1010	10" x 10"	10.25" to 11.15" / 9.90" to 10.75"	1051-1010RC
1051-1210	12" x 10"	12.25" to 13.20" / 10.65" to 10.85"	1051-1210RC
1051-1212	12" x 12"	12.25" to 13.20" / 11.75" to 12.60"	1051-1212RC
1051-1215	12" x 15"	13.10" to 13.30" / 14.50" to 15.75"	1051-1215RC
1051-1510	15" x 10"	14.90" to 16.00" / 10.50" to 10.70"
1051-1512	15" x 12"	14.90" to 16.00" / 12.50" to 12.70"
1051-1515	15" x 15"	14.90" to 16.00"	1051-1515RC
1051-1818	18" x 18"	19.00" to 20.10" / 18.60" to 18.80"	1051-1818RC
1051-2424	24" x 24"	24.30" to 26.30" / 24.60" to 24.80"	1051-2424RC