Fernco Strong-Back 1070-1818HTRC Shielded PVC Coupling for Corrugated Polyethylene to Plastic Plumbing Connections

Part # 1070-1818HTRC

Below-ground pipe connector excellence. Designed to resist heavy earth loads and shear forces, Fernco strong-back RC pipe couplings stand as the optimal...
The preferred pipe connector. Fernco couplings stand as the top choice for flexible pipe connections in waste, drain, and vent applications.
Unsurpassed durability. Provides a permanent, leak-proof solution for sewer, drain, waste, and vent piping needs, ensuring enduring...
American craftsmanship. With over 60 years of proud manufacturing in the USA, Fernco's products reflect unparalleled quality and...

1070 Series Size: 18" x 18"

Connects Corrugated Polyethylene to Plastic

Drawing (PDF) All documents

Dimensions

Download drawing (PDF)

End 1 pipe OD range	20.30" to 21.80"
End 2 pipe OD range	18.60" to 18.80"
End 1 inside diameter	21.30"
End 2 inside diameter	18.70"
Length	22.80 in
Width	22.80 in
Height	10.25 in
Weight	32.4 lb

Product details

Introducing the Fernco strong-back 1070-1818HTRC 18 " x 18" strong-back RC shielded couplings, the ultimate solution for demanding pipe connections. Specifically designed to effortlessly connect 18" corrugated polyethylene to 18" plastic pipes, this coupling accommodates pipe outer diameters ranging from 20.3"-21.8" on one end and 18.6"-18.8" on the other end, guaranteeing a flexible fit for various applications. Built to withstand challenging conditions, including slight off-set in host pipes, these shielded couplings offer unparalleled adaptability and resilience. Engineered for below-ground excellence, Fernco strong-back RC pipe couplings resist heavy earth loads and shear forces, ensuring secure connections that last.

Trusted by professionals worldwide, Fernco is the preferred choice for waste, drain, and vent applications. Plumbers, contractors, and municipalities rely on Fernco couplings for their unmatched performance and peace of mind. Fernco couplings deliver a permanent, leak-proof solution for sewer, drain, waste, and vent piping needs, meeting stringent requirements and standards with ease. Backed by industry-leading specs and codes compliance, including ASTM d 5926, c 1191, and UPC approval, Fernco couplings ensure reliability above and below ground. With a maximum test pressure of 4.3 PSI, these couplings are designed for waste, drain and vent applications. Crafted with pride in the USA for over 60 years, Fernco's legacy of american craftsmanship shines through in every product.

Unrivaled resilience in challenging conditions. Fernco strong-back RC shielded couplings accommodate challenging pipe connections, including slight off-set in host pipes.

Flexible fit. Specifically designed to connect 18" corrugated polyethylene to 18" plastic pipes. This coupling accommodates pipe outer diameters (ODs) ranging from 20.3"-21.8" on one end and 18.6"-18.8" on the other end.

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

Specifications

Product
Connection	Mechanical
Fitting type	Reducing Coupling
Flexible	Yes
Material	Elastomeric PVC, Stainless Steel
Color	Black, Silver
Standards	ASTM D5926
Application	Below Ground, DWV

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

Drawings and downloads

Documents

Dimensional drawing

1070-1818HTRC, PDF · 89.75 KB

Download

HTRC Corrugated_sell-sheet PDF · 452.64 KB
1070 Series Coupling Installation PDF · 897.66 KB
Corrugated Pipe Couplings Installation PDF · 1.39 MB
HTRC Shielded Corruugated Flexible Coupling PDF · 575.29 KB
Installation instructions All products

Compare 1070 Series sizes

Corrugated Polyethylene to Plastic

1070-32

Size
3" x 2"

Pipe OD range
3.40" to 3.50" / 2.28" to 2.48"
1070-33

Size
3" x 3"

Pipe OD range
3.40" to 3.70" / 3.35" to 3.55"
1070-42

Size
4" x 2"

Pipe OD range
4.48" to 4.78" / 2.28" to 2.48"
1070-43

Size
4" x 3"

Pipe OD range
4.48" to 4.78" / 3.40" to 3.60"
1070-44

Size
4" x 4"

Pipe OD range
4.48" to 4.78" / 4.15" to 4.35"
1070-63

Size
6" x 3"

Pipe OD range
6.70" to 7.00" / 3.40" to 3.60"
1070-64

Size
6" x 4"

Pipe OD range
6.70" to 7.00" / 4.40" to 4.60"
1070-65

Size
6" x 5"

Pipe OD range
6.70" to 7.00" / 5.40" to 5.60"
1070-66

Size
6" x 6"

Pipe OD range
6.70" to 7.00" / 6.40" to 6.60"
1070-84

Size
8" x 4"

Pipe OD range
9.40" to 9.70" / 4.40" to 4.60"
1070-86

Size
8" x 6"

Pipe OD range
9.40" to 9.70" / 6.53" to 6.73"
1070-88

Size
8" x 8"

Pipe OD range
9.40" to 9.70" / 8.20" to 8.40"
1070-10-8HTRC

Size
10" x 8"

Pipe OD range
10.60" to 12.10" / 8.53" to 8.73"
1070-1010HTRC

Size
10" x 10"

Pipe OD range
10.60" to 12.10" / 10.50" to 10.70"
1070-1210HTRC

Size
12" x 10"

Pipe OD range
13.50" to 15.00" / 10.50" to 10.70"
1070-1212HTRC

Size
12" x 12"

Pipe OD range
13.50" to 15.00" / 12.50" to 12.70"
1070-1515HTRC

Size
15" x 15"

Pipe OD range
16.70" to 18.20" / 15.30" to 15.50"
1070-1818HTRC (this part)

Size
18" x 18"

Pipe OD range
20.30" to 21.80" / 18.60" to 18.80"
1070-2424HTRC

Size
24" x 24"

Pipe OD range
27.10" to 28.60" / 24.70" to 24.90"
1070-3030HTRC

Size
30" x 30"

Pipe OD range
34.40" to 35.90" / 31.40" to 31.60"
1070-4242HTRC

Size
42" x 42"

Pipe OD range
46.70" to 48.20" / 44.40" to 44.60"
1070-4848HTRC

Size
48" x 48"

Pipe OD range
53.10" to 54.60" / 50.70" to 50.90"

Part	Size	Pipe OD range (end 1 / end 2)
1070-32	3" x 2"	3.40" to 3.50" / 2.28" to 2.48"
1070-33	3" x 3"	3.40" to 3.70" / 3.35" to 3.55"
1070-42	4" x 2"	4.48" to 4.78" / 2.28" to 2.48"
1070-43	4" x 3"	4.48" to 4.78" / 3.40" to 3.60"
1070-44	4" x 4"	4.48" to 4.78" / 4.15" to 4.35"
1070-63	6" x 3"	6.70" to 7.00" / 3.40" to 3.60"
1070-64	6" x 4"	6.70" to 7.00" / 4.40" to 4.60"
1070-65	6" x 5"	6.70" to 7.00" / 5.40" to 5.60"
1070-66	6" x 6"	6.70" to 7.00" / 6.40" to 6.60"
1070-84	8" x 4"	9.40" to 9.70" / 4.40" to 4.60"
1070-86	8" x 6"	9.40" to 9.70" / 6.53" to 6.73"
1070-88	8" x 8"	9.40" to 9.70" / 8.20" to 8.40"
1070-10-8HTRC	10" x 8"	10.60" to 12.10" / 8.53" to 8.73"
1070-1010HTRC	10" x 10"	10.60" to 12.10" / 10.50" to 10.70"
1070-1210HTRC	12" x 10"	13.50" to 15.00" / 10.50" to 10.70"
1070-1212HTRC	12" x 12"	13.50" to 15.00" / 12.50" to 12.70"
1070-1515HTRC	15" x 15"	16.70" to 18.20" / 15.30" to 15.50"
1070-1818HTRC (this part)	18" x 18"	20.30" to 21.80" / 18.60" to 18.80"
1070-2424HTRC	24" x 24"	27.10" to 28.60" / 24.70" to 24.90"
1070-3030HTRC	30" x 30"	34.40" to 35.90" / 31.40" to 31.60"
1070-4242HTRC	42" x 42"	46.70" to 48.20" / 44.40" to 44.60"
1070-4848HTRC	48" x 48"	53.10" to 54.60" / 50.70" to 50.90"